Alternator exciter wire fuse location. it has the internal regulator.

Alternator exciter wire fuse location put it all back together and my battery light is still on, we checked the fuse box on top of the battery and noticed a blown Sep 16, 2020 · Tracked it down to the D+ exciter wire circuit, as I can jumper the B+ to the D+ and get the alternator running. I ran a wire from the fuse block to the regulator and Mar 25, 2023 · Your wiring diagram is good but this has only 1 field exciter wire rather than 2. It was dangling near the passenger inner fender. Aug 25, 2017 · You need to wire the "exciter" feed wire from the alt, into the run/"START" circuit of the starter. Ford Alternator Pigtail 1996+ Gray Housing - The Repair Connector Store I had to order this part for my truck. 8 volts and goes up with Rpms. Oct 18, 2016 · Exciter 2 going to battery, Exciter 1 to the idiot light. I printed out a '65 full diagram from our page here on Jan 26, 2023 · Checking the voltage output of your alternator and battery regularly; Using appropriate gauge wire for high-current applications; Avoid running high-current components with the engine off; Ensuring that the wiring is properly secured and free from any loose connections; Using high-quality parts and components Mar 9, 2009 · For 1996 Ranger, check Fuse #15 in the cab fuse box, 15amp, that powers the battery light alternator circuit, this circuit didn't used to have it's own fuse, not sure when they added it, it used to get power from main ignition switch fuse in engine fuse box, and if that blew truck wouldn't start Feb 16, 2024 · Hi, have a 130g excavator that isn’t charging,only 1800 hours. A fuse that powered the Air Bag and Battery lights in the instrum Nov 14, 2021 · D+ is the exciter wire that is wired through the ignition switch and cluster. I am not trying to write down to you, so please don't take it that way. The smaller wire is the exciter wire. Aug 17, 2021 · The 914 wire is the exciter wire. With the key on both wires are getting 12. Like, when you tried to come off idle, the belt would SCREAM! Apr 27, 2021 · The exciter wire goes straight to the fuse block. 14: Windshield washer. Hope this helps. Nov 3, 2010 · You can order a replacement connector here and just splice it into your wiring. Measure the brown wire that connects to the alternator for 12 volts with the key on. A wire called an exciter generates the voltage needed for an alternator to start working once a vehicle is started. Idle at . I will be attempting to wire in a single wire alternator to my 1991 240 lh 2. Sep 29, 2011 · The Blue Exciter wire, runs fuse panel, to then to the Indicator light on the dash then over to the oxs light. When I called the alternator manufacturer this morning they had said there could be a possibility of not needing to hook up the wire to the "fuse block" so I would just run the wire from the alternator to the MIDI Fuse and then to the battery? Jan 6, 2017 · I found that it was easier to set the belt in the alternator pulley before bolting the alternator to the mounts. Jan 8, 2018 · American Autowire says if the vehicle has a voltmeter and no warning light, the brown wire from the alternator "exciter" terminal is connected directly to the accessory bus on the fuse panel. Mar 28, 2022 · I just found the old D. 5 V running through it no matter the key position. Amp alternator install instructions, I think I found the problem. When the alternator goes bad and stops regulating the battery voltage to 13. Jul 8, 2021 · The exciter wire runs from the exciter terminal on the alternator to the "Alternator Lamp -" terminal at the back of the instrument cluster, noting else connected at either end of this wire. ive searched the internet but i cant find any good clean instructions on how to do this Apr 13, 2020 · What we are doing is merely using the brown wire as the exciter and the red wire to the alternator as the sensor/field strength wire for the alternator. If your alternator comes with a pigtail that plugs into the alternator with a single loose wire coming out of it, this small exciter wire will need to be connected to an ignition switched source to turn the alternator on and off with the key switch. May 24, 2020 · I ran some measurements and the exciter wire and this is what I got. 8V on the D+ wire (plenty ground to light the lamps) and if I disconnect the alternator's ground wire, it rises to battery voltage. Engine off, the battery drains through the alternator exciter circuit directly to the alternator housing, just like leaving a bulb burning. com/watch?v=jjh0aa5syDY&list=PLIjr- Jan 25, 2019 · 1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks - Alternator Excite Wire - Getting ready to do some alternator/voltmeter rewiring and want to make sure I understand all of my options. What I'm doing now is unplugging the dash cluster completely, then removing the exciter wire from the D+ pole of the alternator, and connecting it to ground and then to battery b+ to see if there are continuity readings. So i disconnect main alternator wire from battery. How do I get at least 12 volts to the exciter wire. . Oct 7, 2017 · The grounds are all clean and tight. With the key in accessory mode, and the car off, there should be a battery voltage reading at D+. Relay . thanks. youtube. The little white plug has 2 wires on it. I may have a similar issue and I was wondering how to test that the exciter wire is shorting to ground. 73 Limited Slip, Green Gem Metallic w/ Caribou accent, Camper Package, Titan 65gal tank, Rapid Heat, Block Heater, Upfitter Switches, Dual Alternators, Cable Lock, Husky Floor Liners, Spray in Bedliner, 5th Wheel Prep, 25K 5th Wheel Hitch, Ford Goose Neck Hitch. Trailer wiring. The manual says to check a number of fuses which I did except for f60 alternator. Obtain the loose orange/black stripe no printing wire (circuit 55) and plug this wire into the Bulkhead connector (see sheet 2). 3ish if that takes 10 amps, that is all it will put out, no matter that DB Electrical's alternator can source up to 90 amps. 4 volts, the exciter terminal will be much less than the battery voltage. Jul 7, 2010 · Check voltage at the alternator with the key off and with the key on. on the alternator to the ground on drivers side battery. Alternator does not appear in the service manuals. Jan 9, 2009 · If your exciter wire is bad, reving above 2000 rpms should self excite the alternator. Nov 16, 2023 · A diode is used in the alternator excitation wire. There was continuity. Reconnect the battery and start the car. 5 to the oragne/light blue wire amd nothing to the green/red wire with the key off. The instructions for the harness also say to jump from batt lug to #2 on the alternator. Trouble with self exciting is the alternator can loose it later if you stay below 1500 rpms a lot. Before, I just grounded one of the field posts to ground and it worked fine. Alternators will only output as much current as is needed to raise the charging system voltage to ~14. If your alternator / generator uses terminal type B, install on wire and use connector C. Put it all back together and after 5 min with the battery hooked up noticed a little smoke again from the alternator. This is what the forum through the link above said about the exciter wire: ” the larger one in the plug goes to pos 12 v, this one i'd add a fuse. 5V. I. Apr 14, 2021 · If someone could help me out with where and how to wire in the exciter wire when installing a single wire alternator. Aug 18, 2015 · Predictable situation if his exciter pre-charge wire is left attached directly to the battery. Here is where I finally figured out what the heck was going on. On the same plugin connector at the alternator is a second thin wire which is fed from number 7 fuse in the dash fuse box, it's a 10 amp fuse. Jun 26, 2002 · Hint: If there is a break in the blue wire (between alternator and fuse box), your alternator light (in cluster) will not go off regardless of engine speed. The diode is to prevent back feed from the exciter terminal to the ignition switch when the engine is shut off. Mar 22, 2016 · But when I connect my ign 1 wire to ign switch then this happens: In run position "feeds voltage from Ign 1 to ballast/ acc feeds 12 volts to fuse box" the voltage from battery/ alternator drop to 6 at fuse box. Ignition switched power runs from the "Alternator Lamp +" terminal at the back of the cluster to the 4 pin connector for the ignition switch. The drawback of this arrangement is that if the warning lamp burns out or the "exciter" wire is disconnected, no current reaches the field windings and the alternator will not generate power. 4 b230f Thanks Nov 30, 2024 · C3 Tech/Performance - 1968 alternator exciter wire question - Looking for some guidance? when I first inherited this car, the alternator was not charging the battery. My focus right now is the LG/R wire. I disconnect Exciter wire 2 from the battery and put the Multimeter Jun 16, 2012 · Hi, Can anyone tell me how much voltage should be outputted at the alternator 2 pin terminal of the exciter wire. Re: Alternator Exciter Wire on '61 The other end just goes to the fuse panel. The smaller wire that says "alternator exciter"will not be used since this is a internal regulated alternator. I am only getting about 2. Aug 8, 2023 · Location: Walnut Creek, CA. The problem is the exciter wire stays on with a full 12. 7L CCLB DRW 3. PwrWgnDrvr Mar 9, 2023 · The 12 gauge wire may be used to sense the voltage at that remote location so the alternator's internal regulator can work to control the output. Route the other end to the generator / alternator. Simply put, it turns on the alternator. Looking at the wire, you would swear it's not there as it's covered with insulation exactly like the rest of the wire. Aug 13, 2008 · No, voltage regulator is bolted to an alternator and does not include any fuses. I went back, starting with the brown wire on the white connector for the alternator and traced that brown wire through the fuse panel assembly and over to the ignition switch. Oct 4, 2016 · I installed an analog gauge cluster, removing the OEM cluster. 4. 4V or so (IIRC) so the other end of the wire, at the alternator, should 'see' most of it. The big red wire that is bolted on has 12 volts from the battery. Wire it in a completely seperate circuit like I described the stock military alternator exciter wire is from the stock on/off switch or add a relay. The 3 wire alternator wiring diagram is not as complex as it seems, as only two additional wires are integrated into the rest of the electrical system and the alternator. be/-BUzm-OeGhEMore videos like this here: https://www. Is the exciter wire supposed to have power all the time or oy on start? I have a Rob MC starter. Mar 4, 2014 · ok I checked a wiring diagram for you. Consult manufacturer's instructions for connection. Red/white(exciter): 0v. Dec 19, 2022 · 11. Year of production: 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993 Nov 14, 2016 · The only thing I can not figure out is what relay or fuse turns on the exciter wire to change the voltage in for the alternator. 2 from the pos. Now before the alternator charges that circuit will act like a ground (negative) so the light will be on. Dec 28, 2021 · Diagnosing an alternator that won't charge despite wires/leads that are connected properly. Yesterday when I put the new alternator in i was getting 14. The main red wire on the alternator harness/plug has power both on and off. 12: Interior rear vision camera module. Read elsewhere on this forum that D+ voltage should be at least 5V, but not seeing that at alternator, dist. I am considering just putting a resistor inline as opposed to re-connecting to a warning bulb (still kinda on the fence) but am not sure what ohm/watt I should select. To properly align the new alternator pulley, be sure to install the OEM bolt shim in front of the lower mount. The difference in voltage makes the lamp illuminate. Eventually, it will completely drain the battery. The sense wire would say "I need more voltage" and hit the internal regulator and stop around 15 volts output, where the fuse block would be receivning less than that because of the volt drop. Dec 9, 2020 · While you may have an issue with the K61 relay, the exciter wire does not get its power from there. The idiot lamp bulb drops the voltage to @8vdc at the alternator plug. The black wire goes to the Voltmeter inside. 1. Apr 29, 2008 · The sense wire, what you are calling the exciter wire should not be going through the alternator light. 7 L/6. If the B+ connection in an alternator is not working, the alternator will not be able to supply power to the battery and the electrical system of the vehicle. The round 3 wire connectop goes to a o\p switch. The exciter wire is critical, if it does not provide initial power to the alternator, the alternator will not charge. Many many years ago I learned that wiring the excite wire to the ignition side without an idiot light caused a feedback and kept the engines running. 99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060 May 29, 2020 · Sorry guys, my memory is a little fuzzy. Sep 1, 2024 · The blown fuse ; if it was for the exciter wire to the alternator ; there would be no alternator output shown on the dash gauge , only battery voltage. It comes from fuse 17 via the bulb/resistor in the cluster to the D+ terminal. | ASAD ELECTRICAL Feb 29, 2016 · I am putting a 3G Alternator in my Galaxie. So remove and test this fuse, and all the fuses if need be. With motor still shut off, i put multimeter on there. i have to rev the engine a lot to get the charge to "kick in". BROWN REGULATOR EXCITER WIRE Connect one end to the fuse panel connection block (ALT DIO/IGN) location. So in other words - this wire supplies that exciter circuit. Check again from the alternator charge post. 8 volts on. 15: GMC Savana fuse box diagrams change across Mar 21, 2021 · Bosch alternator with D profile plug on and is this circuit fused and if so what is the fuse location and number . When it is grounded, the bulb lights up. #shorts Oct 18, 2024 · HI Everyone, i have a 1947 farmall M with a delco alternator. This is a good option if you want brigher headlights. 2V in the L wire with the key On. 12. 3 in that configuration) If I hooked up my sense wire to the fuse block. [Modified by Electron Man, 2:46 PM 1-7-2003] May 8, 2014 · The exciter wire for the alternator was originally the brown wire that runs from the key switch to the external regulator and then it becomes a white wire from the regulator to the alternator. I'm not sure if the wire coming from the alternator is going straight to the battery or to the starter but it definitely has a fuse in between it and wherever it goes. I?m sure it may have been covered but my searches are coming up short. Mar 14, 2016 · Step 3 – Install the new alternator. 2 and 4 wire Alternator connection. Connect the “exciter” terminal on the alternator to switched voltage that is ON when the key May 30, 2015 · Long story short, figured the alternator went bad so I replaced the alternator and the wiring for R and F connectors. Aug 27, 2019 · With the key on, engine stalled, I see about 1. First If the voltage is low at the alternator chare post, next up for me would be to take the alternator to my FLAPS* and have them bench test the alternator and make sure it's functional. But now that I am completely replacing all the wiring I am wondering if the Jun 27, 2007 · This blue wire comes from the one side or the alternator light and the other side of the light comes from switched 12v+ supply. Jul 14, 2009 · I will also check the alternator and see what output it is but it is a reman from Autozone, uses an exciter wire. It should be tied to a switched source somewhere near the fuse block. the exciter wire which should show 12V or a Re: Alternator Wiring CS130 08-28-04 09:41 AM - Post# 503468 In response to babydeuce Ok well that gm adapter with the resistance in it was 48 bucks CDN and two days away, so i got the generic one from the parts store, went to Radio Shack and got a pack of resistors with 10, 22, 33, and 47 ohm resistors, i had a wire coming from the dash to the old alternator, this was the excitor wire i'm May 6, 2011 · Alternator turning, electricity comes out of the terminal that the exciter wire connects to (that is one reason the battery light works the way it does) and runs to the coil terminal (15), turn off the ignition and because the alternator is still sending power to that terminal, the engine keeps running. Aug 17, 2015 · Hi old thread here. Mr. What is "#2" . The orange wire with the circuit breaker, which is connected to the 10g red wire on the back of the alternator, is going to the starter solenoid closest to the battery. PWM allows the PCM to control "how much charge" the alternator produces. Jan 5, 2018 · use the ignition unfused terminal on the fuse panel and you don't need a fuse in the exciter wire. May 12, 2009 · A2 Headlight Wiring Harness Yellow A2/01 Alternator (Exciter Wire) Battery Light Blue A2/02 Parking Light, Left Front Parking Lights, Right, Fuse 7 Gray/Red A2/03 Headlight, Right Headlight, Right, Fuse 2 Yellow A2/04 Turn Signal Light, Right Front Turn Signal Switch Black/Green A2/05 Ground for lights, left front Main Fusebox Ground Brown. The one with the fuse "E" that says Generator sensor does not exist, instead there is an amp probe sensor on the Neg bat terminal, the generaror on this is totally different than what they put on the gas engines. Jul 24, 2010 · The diode is right before the lug you would use to connect the wire to the alternator. This fuse is not in the fusebox behind the seat. It shows 11. The diode on mine was so small there wasn't even a bulge in the Oct 19, 2017 · I have a 2001 jetta tdi alh auto and my battery light came on one day, i drove it for like an hour before it died right as i was pulling into the driveway. But that is on the 85 schematics as my Bentley only goes back to 85. When the load is too high for rpms, it just limits excitation current so fuse would not make much sense there. If it's low there, the issue is the alternator. I cleaned all connections. Read the troubleshooting steps in the Bentley manual for more info. i swapped the alternator from my parts car and bought a new belt. The light provides a path to indicate charging but won't feed back to the ignition. 8 v at Gen1/driver's side alternator small brown exciter wire (with voltmeter pos on brown wire, voltmeter neg on alternator big wire neg terminal). On your 1990 Gold Wing, Output from the 55-amp "Dog Bone" fuse goes through fuse # 2 then provides input to the # 8 ignition/cruise relay. If you wire a light into this wire, when the key is in the run position ( not running yet ) the light will come on. The alternator switches that wire between positive and negative. The exciter wire should not be connected directly to the battery. This signal is necessary to activate the alternator and begin the charging process. Apr 25, 2014 · Measure voltage at the alternator between the big red wire and the alternator housing. Tried wiring the Eagle stuff the same way, alternator was at full charge all the time. For your peace of mind, the way that wire was cut will not harm your truck any unless that exposed copper wire you circled touches something metal. The exciter wire has no power going to it under any conditions. Apr 26, 2021 · 3. When I rev the engine the alternator puts out more juice. In theory the new alternator could be bad, but figured there is a slim chance of that. It's my understanding that this is the alternator The exciter wire, also known as the field wire or ignition wire, is a small-gauge wire that carries a low voltage signal from the vehicle’s ignition switch to the alternator’s voltage regulator. Top. When you turn the key to "start", it excites the alt and then your key goes back to "run. Dec 31, 2001 · Re: alternator \"exciter\" wire on a stock type delco alternator the exciter wire is one of the pair in the two wire plug. Mar 18, 2022 · When the alternator is not charging, this wire grounds to the alternator and the light comes on. I then checked the voltage at each of the wires coming from the idiot light. U. Does anyone know where the other end of the exciter wire connects to the fuse block? Fuse, relay? Oct 28, 2017 · Larry 2015 F350 Ultra Lariat 6. If you ran it straight back to the battery then is your alternator light working? There is a work around to that but I have lost the link. Nov 8, 2013 · As the GCU isn't powered when the engine isn't running, you may not have power to this wire at the alternator. 70V, two minutes later 11. 62v. My dash lights are out and when I power probed the blue wire the alternator started working AND the dash lights came on. Some of these you can jump 12v across it to little wire to put power to the exciter wire to "turn it on" so to speak. When the alternator is running normally, the three small diodes connected to D rectify some of the stator output voltage and bring D up to approximately battery voltage. It requires a diod in the 'I' wire from the solinoid to the coil to stop back voltage from triggering the starter. What I have is 3. Jan 29, 2014 · Also is it a one wire alternator or does it have a small 2nd lug on the back near the hot lug or does it have the 2 wire plug into the side of the outer diameter of the alternator. (~13. Jan 18, 2021 · Dodge D/W 250 (1981 – 1993) – fuse box diagram. Aug 10, 2014 · I believe the alternator is a 3 wire (internal regulator) that was converted to a 1 wire setup. Thanks! An alternator is an auto part that transmits power from the fuel system to the battery for operating vehicle accessories, such as the radio, headlights and air conditioning fans. 1961 Dodge D-100 Alberta, Canada. 75 volts in the exciter wire then goes to zero with no voltage ever on the return side wire. Feb 3, 2024 · A 3 wire alternator wiring diagram has three wires: the primary charge wire, a third wire that can jump between the regulator and the battery stud, and the exciter wire. 7 Volts and progressively goes down every few minutes, like 11. 83v. Jun 9, 2012 · (Mine goes down to 12. on the two wire plug one wire will have voltage all the time, this is the "sample" wire where the regulator reads the system voltage to adjust the output, the second wire Jul 8, 2011 · The exciter wire normally goes to the GEN or ALT lamp on the dash. A 10 or 12 SI have 3 connections, the large stud is for the battery feed, The number 1 small terminal is for the light wire the number 2 terminal is for the Sense wire. Since the battery and alternator are both reading roughly the same voltage, i am presuming the wiring from the alternator through the starter to the battery are good. I put another new alternator in, and left the L wire disconnected. I've never had a problem with it and it even charges the battery at idle. Jun 5, 2016 · Wiring clean-up where does this wire go?/ 3G conversion thread I have been cleaning up the wiring under my hood and getting ready to replace the alternator as a precaution and for reliability and I notice this wire that goes from a stud on the alt to a plug then to nowhere. com/shorts/Ls8c0jPsOf8?feature=shareBypass your exciter wire for a no charge new alternator situation. Oct 14, 2013 · 1. I hate to cut it apart to test the exciter independently. Video: 3 Wire Charging Alternator Connection. Dec 13, 2010 · White wire on the new plug is the exciter wire. Apr 10, 2024 · I wire the excite wire to the accessory buss, if I don't have an idiot light. on a GM 3 Wire Alternator, is the idiot light on the exciter wire from the ignition necessary or can it just be wired straight? can't remember if the lamp played some role. Use the original wiring connector, for this connection. Naturally my alternator did not charge as it did not receive a signal from the dash bulb (excite wire). Feb 2, 2019 · Ok, interesting turn of events. After disconnecting the purple wire at the fuse box, I tested the fuse box pins for voltage, and they too are flashing 4-10v at irregular intervals. 7. 4 v at Gen2/passenger side alternator small brown exciter wire (with voltmeter pos on brown wire, voltmeter neg on alternator big wire neg terminal). Lite blue wire to choke heaterat carb,dark blue wire to I\p choke light,pink\white wire to fuse 12. 1 L 180 AMP - Bouchillon Performance Engineering I have used and wired the pre-eagle stuff myself. So that leaves me with two questions. Let's know how you manage. Tighten the bolts down and then reconnect the wires on the back of the alternator. The exciter wire, which turns the voltage regulator on and is essential for starting your car, is required to generate the required voltage for the alternator to function. Attachment 2002201 Attachment 2002209 Jul 30, 2021 · In some cases, the primary alternator fuse may actually be a fusible link, which must be cut out of the wiring harness to be replaced. I don't recall that it does, but just wanna double check. The pigtail connector is getting 12. Red/white(exciter): 9. Jan 18, 2015 · The top alternator in the pic was recently replaced, is it possible there's a short somewhere that fried something, including the alt that new one replaced? I'm not positive about the 'exciter' wire's travels on the 6 liter but on the 7. Sep 3, 2014 · I am trying to identify the fuse associated with the alternator in my 2000 Volvo S70. Jul 15, 2021 · resistor built into this harness. When the alternator is stopped the three large diodes on B are reverse biased and no current flows out of the battery. Now move the meter's red lead to battery positive, leave the ground on the alternator. The 220a fuse is ok are there any others that may be related on this vehicle? Noticed there is only one active pin in the socket at the rear of the alternator (exciter wire) surprised by this as there are two pins on the alternator but there only feels like theres one wire in the cabling Feb 5, 2012 · Here is a pic of my alternator wiring. From my instructions: CHARGE INDICATOR LIGHT Those wanting to add a charge indicator light will need to re-route the WHITE #914 wire found in the Alternator Section of wires. Thanks Aug 3, 2011 · 1987 - 1996 F150 & Larger F-Series Trucks - low voltage to exciter wire - I was getting my battery warning light coming on, accompanied by low readings on the charging gauge. More Great Videos here 👉https://youtube. Dec 24, 2013 · This wire is switched, and comes from the fuse panel. Route this wire to the Automatic Transmission (near the valve body) and connect to the Automatic Transmission Kick-Down Detent Solenoid. Mar 3, 2024 · Checking the exciter wire doesn't need 12V, just whatever the battery is currently supplying (11-12) The drop across the diode is 1. Like I said the wire from the key switch ACC terminal is the original resistance wire but it is only ten ohms so you need the extra resistor, yours should be fine. 3 it goes back into the cab to the key and dash gauges (among others). If you have a long enough exciter wire strip back 2-3" starting at the lug. How to do a continuity test with a multimeter https://youtu. Slip the serpentine belt over the alternator pulley, then tighten the tensioning bolt. Now switch both meter leads, red to alternator positive, ground lead to battery ground. Jan 11, 2021 · ALTERNATOR ONE WIRE 5. When the PCM wants to run the alternator 100% duty cycle the voltage will be 0v, when the alternator isn't running the voltage will be 12v. When it comes to upgrading or replacing the alternator in your vehicle, one wire alternator wiring is a popular choice for its simplicity and ease of installation. If this wire was never plugged into the regulator then it could not have turned on the alternator and the alternator would never have went into default Apr 19, 2017 · Alternator Rob, There are differences in the wiring circuits for 1988 - 1992 compared to the 1993 - 2000 Gold Wing's. The wiring diagram says power to the exciter comes off the fuse block. This same voltage is found in the Line side of the charge fuse and at the warning light pin on the ECU. But can’t figure out where the D+ is having its problems. Where??? Bentley book no help. It does when I Aug 1, 2019 · Im thinking the new alternator is duff or wiring issue. So when you test by holding the D+ wire on the alternator's housing, you're testing two things at once. In reading other posts, an 'exciter wire' is referenced. Jan 3, 2022 · I’ve traced the purple wire back to the fuse box in the engine bay and continuity seems fine between the alternator end and the fuse box end. Move the new alternator into position. 69V, etc. I was able to figure out that the exciter (brown) wire was not getting 12 volts at the regulator. The electrical diagrams are difficult to decipher. Apr 4, 2008 · There is at most 6. I have no voltage drops from the end of the cluster to the pin. Unlike traditional alternators that require multiple wires to function, a one wire alternator utilizes just a single wire, making the wiring process much simpler and more May 10, 2023 · If it's low, there's a problem at the alternator or charge wiring. Main Fuse Panel Feed That fuse is to protect the bike's wiring, not the Alternator. The thicker is the voltage out of the alternator back to the battery. 5. pretty sure it needs an exciter wire. it's your exciter wire. Remember: No matter what kind of fuse you’re dealing with, you’ll want to disconnect and isolate the negative battery cable prior to replacement. 5 volts at idle) The harness still has the two cut wires taped off from the 3 wire alternator. Battery light does not come on when I put on key or when running. Connect the exciter wire, then thread in the bolts by hand. From what I can understand is that it simply relays voltage back to the alternator to correct for voltage drop? I have the 3 wire alternator. When car is on Big wire: 11. The single larger wire is the output terminal, which is connected to the battery/electrical system. When the car is off: Big wire: 12:55v. Works just like the old stuff. If you let the car warm up and lights are still dim, but when you blip the gas once they brighten up and stay bright. it has the internal regulator. This can result in a dead battery and the inability to start or operate the vehicle. It should be powered from a switched source. But the dash light could also remain on due to a bad VR or bad alternator. So I think the ecu is not tell the alternator what voltage to put out. The wiring diagram shows the power wire for the instrumentation wiring at least being tied into the 12 V source for the charging system indicator light. Plug onto alternator / generator. The fuses are good on the fuse panel on the battery and I have lubed and checked all the wires to the alternator from the fuse panel on the battery. box terminal, or at relay (aux battery relay). Fuse MINI . I'm not a big fan of reducing the wire that carries the power from the alternator to the battery. To run the alternator at 50% the PCM runs a PWM at 50% duty cycle, this means the k20 terminal on the alternator will read around 6v. 1986 460 with a 2g alt currently. Dec 14, 2002 · Terminal B stays at battery voltage at all times. Don't add any diodes or anything else. Each alternator is a 12 Volt unit. Alternator-brown wire to terminal 1 on alternator,it comes from either ignition switch or I\p depending on whether you have a guage or lite,terminal 2 goes to the starter bat terminal with a fuse link but most Jun 26, 2012 · The wire supplying the field current is often referred to as the "exciter" wire. Jan 26, 2023 · This article will show you how to wire the exciter wire on an alternator. Does anyone know which fuse in either the main or supplementary fuse boxes is the right one for the alternator? Thanks. Mar 22, 2023 · The exciter wire and big charging wire are conjoined inside a big terminal lug. The exciter wire had zero volts off, and only 0. 2. The 2 wire plug on the back of the alternator is correctly wired for the Kioti and the Kioti plug will plug right in. vzcw fecf kdps ogcxbk wnsw pqnnhvx wgbvu aack htxe dvqer