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electrical

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  1. Duck_Newton
    Thread

    1982 SECA 650

    Hey y’all, I got a weird issue going on with my 82’ Seca 650. It’s intermittent but there have been times where just turning the key causes the...
    Thread by: Duck_Newton, Sep 10, 2025, 3 replies, in forum: XJ Technical Chat
  2. Will Beemer
    Thread

    Diagnosing Charging Issue (I've tried it all)

    I have a 1982 Yamaha XJ 550 that I bought as a flip. Currently, the bike will not charge itself. I've replaced the stator, the R/R, the battery,...
    Thread by: Will Beemer, Aug 28, 2025, 1 replies, in forum: XJ Technical Chat
  3. slackard
    Thread

    XJ650 Wire Harness

    Here's the XJ650 wire harness that I posted years ago.. Some old links were broken so here it is again! [IMG] Scalable/Printable PDF linked...
    Thread by: slackard, Jan 22, 2025, 10 replies, in forum: XJ Technical Chat
  4. MindtheTread
    Thread

    82 XJ 650 - Modifying Wireharness for Engine Test Fire (without re-installing it in the Frame)

    Hey Fam, The mechanical/fuel systems are nearly a go - last step is to add back in the oil. The wiring harness that I completely pulled off the...
    Thread by: MindtheTread, Oct 6, 2024, 8 replies, in forum: XJ Technical Chat
  5. Tommaso
    Thread

    Ignition coil help!!!

    Hello. I have a problem. I'm trying to do a simple wiring for an XJ550 engine to put in a go kart. I wouldn't like to put the battery on the go...
    Thread by: Tommaso, Jul 28, 2024, 1 replies, in forum: XJ Technical Chat
  6. Gnr782
    Thread

    Odd Electrical issue Batt warning and dim lights on Dash when braking

    I have an '82 XJ750 Seca that, with much help from previous posts in this forum, have helped me get this bike back up and running. (Carb cleaning...
    Thread by: Gnr782, Apr 19, 2024, 2 replies, in forum: XJ Technical Chat
  7. Deneb Hernandez
    Thread

    Completely Lost on Issue with Alternator Wiring

    I purchased my first motorcycle a few weeks back, an '82 XJ650 Maxim, with a lot of custom work. It has been modified to a bobber style, which was...
    Thread by: Deneb Hernandez, Apr 11, 2024, 1 replies, in forum: XJ Technical Chat
  8. CPKing
    Thread

    ‘82 XJ550 Maxim No Spark

    I’ve got an 82 550 Maxim that I’ve poured too much money into at this point and have done everything under the sun to get running, and it was up...
    Thread by: CPKing, Jul 10, 2023, 1 replies, in forum: XJ Technical Chat
  9. Bilby
    Thread

    1981 XJ750 RH - Wiring Quandary

    In desperate need of help people. An rebuilding, what was a total basket case, of an ‘81 XJ 750 Seca. Up to the wiring stage. Main loom is in and...
    Thread by: Bilby, Jul 4, 2023, 9 replies, in forum: XJ Technical Chat
  10. NotRad
    Thread

    LED turn signal conversion woes

    To make a long story short-ish, I replaced my rear turn signals with LEDs and now I have an interesting symptom: When my indicator light cluster...
    Thread by: NotRad, Jun 19, 2023, 7 replies, in forum: XJ Technical Chat
  11. Rebecca Proppe
    Thread

    Front brake light

    Hi all! Another question! I have a 1982 xj750 maxim. Im not exactly sure what the previous owner all did to it but there was already some...
    Thread by: Rebecca Proppe, Apr 7, 2022, 3 replies, in forum: XJ Technical Chat
  12. Andrew Lake
    Thread

    LED Turn Signal Conversion

    I’ve seen many posts with this topic but am not able to understand most of the content. My ’82 750 Maxim has a busted flasher relay and front left...
    Thread by: Andrew Lake, Aug 19, 2021, 0 replies, in forum: XJ Technical Chat
  13. Andrew Lake
    Thread

    No Tail Light, but Brake Light Works

    The tail light on my ‘82 XJ750 stopped working a few days ago. I still have a brake light when the brakes are applied, but no standing tail light....
    Thread by: Andrew Lake, Aug 3, 2021, 8 replies, in forum: XJ Technical Chat
  14. Andrew Lake
    Thread

    Starter Issues

    Hi all, I have an ‘82 XJ750. My starter has been having issues lately. On a cold start, the starter will not get the bike started. After...
    Thread by: Andrew Lake, Jul 28, 2021, 9 replies, in forum: XJ Technical Chat
  15. StrikeOut
    Thread

    Looking for electrical advice

    1982 XJ 750, so here's my problem, I'll start the bike and the gauge lights will illuminate but not stay on while riding, or a running tail light...
    Thread by: StrikeOut, Apr 11, 2021, 7 replies, in forum: XJ Technical Chat
  16. Wegan
    Thread

    Need a wiring guru to please help. 81’ xj750 seca

    Hello, so I thought my issue of my bike only turning off if taking off a battery lead was my ignition switch. So I removed it and cleaned it....
    Thread by: Wegan, Aug 4, 2020, 5 replies, in forum: XJ Technical Chat
  17. thecanadiankid
    Thread

    '81 Maxim xj650 NO POWER

    Hey all, I'm brand new here and just purchased my first project bike for the whopping price of $80 CAD. It's a 1981 Maxim 650 and I am getting...
    Thread by: thecanadiankid, Aug 4, 2020, 7 replies, in forum: XJ Technical Chat
  18. Maxwell Partridge
    Thread

    Head unit electrical mess

    So I just took off the head unit of the motorcycle and found this within the bucket I had to dremel cut off because it was already cracking and...
    Thread by: Maxwell Partridge, Apr 17, 2020, 4 replies, in forum: XJ Technical Chat
  19. jjack37
    Thread

    Rear wiring connections

    On my 85 xj700 maxim I took apart all the electrical connections near the battery, including tail light and blinker wires and now I don’t know...
    Thread by: jjack37, Apr 4, 2020, 2 replies, in forum: XJ Technical Chat
  20. Mkehughes678
    Thread

    1983 xj750 Midnight maxim build/project

    1983 xj750 Midnight maxim build/project Hey guys! First post here - not sure if I’m doing it right... Anyway, Got this bike as a project, got...
    Thread by: Mkehughes678, Aug 8, 2019, 12 replies, in forum: XJ Technical Chat
  21. pre
    Thread

    electrical issue, lights dim with electrical load

    The MOT check failed my 1986 XJ600 because of the tail light flashing when the indicator lights were turned on. It doesn't turn on and off, but...
    Thread by: pre, Jul 23, 2019, 11 replies, in forum: XJ Technical Chat
  22. Ben Babuski
    Thread

    '82 XJ650 Maxim Electrical Trouble

    Hey guys I just recently bought my first motorcycle to fix up and ride and I am running into some tough electrical problems, if you could help out...
    Thread by: Ben Babuski, Jul 1, 2019, 13 replies, in forum: XJ Technical Chat
  23. Winsleydale
    Thread

    82 xj750 maxim no dash/headlights

    Hi all, I've been really enjoying the bike since I got it running, but I've run into a new issue. The other day I took it on the freeway for the...
    Thread by: Winsleydale, May 12, 2019, 13 replies, in forum: XJ Technical Chat
  24. Winsleydale
    Thread

    82 xj750 maxim no dash/headlights

    Hi all, I've been really enjoying the bike since I got it running, but I've run into a new issue. The other day I took it on the freeway for the...
    Thread by: Winsleydale, May 12, 2019, 1 replies, in forum: XJ Technical Chat
  25. Trevanion
    Thread

    Coil power on outside of wire/spark boot?!?!

    1981 XJ750 SECA. Started running like crap, stumbling and losing power. Idling weird; sometimes low, sometimes high. (this was effected by my...
    Thread by: Trevanion, Apr 22, 2019, 11 replies, in forum: XJ Technical Chat
  26. XJ750 Fever
    Thread

    Auxiliary Light/Fog Lamp 1981 Seca XJ750

    Hey guys, So I'm having some issues with the wiring diagram and finding where everything goes. Worth noting that I am using a Haynes manual. I do...
    Thread by: XJ750 Fever, Apr 3, 2019, 8 replies, in forum: XJ Technical Chat
  27. Brian S.
    Thread

    Anyone here with experience replacing the wiring system?

    I purchased a 1983 xj550 a little while ago and since then I've been in the process of fixing it up. It has plenty of issues, many of which were...
    Thread by: Brian S., Jan 2, 2019, 18 replies, in forum: XJ DIY How-To Instructions
  28. BhamXJ550
    Thread

    Solenoid Issue?

    Swapped the bars on my 82 XJ550 Maxim, with painted drag bars. As soon as I put everything back together I pressed the start button and nothing...
    Thread by: BhamXJ550, Dec 18, 2018, 10 replies, in forum: XJ Technical Chat
  29. jelm05
    Thread

    (TESTING) 1982 XJ650RJ...No Spark

    So... I am the new owner of a 1982 XJ650RJ. I love it, but I would love it more if it had a spark and ran. Cosmetically and mechanically it...
    Thread by: jelm05, Oct 3, 2018, 18 replies, in forum: Test Zone
  30. EagleLakeWood
    Thread

    Sizzle and frying sound when starting

    1982 XJ650 Seca I'm making custom side covers and I wanted to set things back a little bit from the frame, so I relocated the solenoid and mounted...
    Thread by: EagleLakeWood, Oct 4, 2018, 3 replies, in forum: XJ Technical Chat
  31. ZachVanMatre
    Thread

    82 XJ550 Seca Starter issue

    So my wife did something amazing and bought me a bike. It's my first one other than dirt bikes growing up, so I'm really excited, but it doesn't...
    Thread by: ZachVanMatre, Aug 22, 2018, 35 replies, in forum: XJ Technical Chat
  32. 45RidingAn85
    Thread

    85 XJ700 - turn / brake / tach fuse - HOT HOT then blown

    The turn signal/tach/brake/nuetral light fuse just started blowing. I have done some reading and disconnected the brake pedal switch in my start...
    Thread by: 45RidingAn85, Jun 5, 2018, 5 replies, in forum: XJ Technical Chat
  33. JHBox13
    Thread

    Starter solenoid has a mind of its own...

    So I just finished an '86 Radian project of mine. Runs like a dream, cranks first try, good to go. BUT I have an issue. When riding my starter...
    Thread by: JHBox13, Jun 1, 2018, 5 replies, in forum: XJ Technical Chat
  34. Franc
    Thread

    No power at all ('80 XJ650 Maxim I)

    Hi, all. I'm in a hard spot with my bike and am hoping for some guidance. I'll try and be as concise and descriptive ass possible. -The other day...
    Thread by: Franc, May 15, 2018, 5 replies, in forum: XJ Technical Chat
  35. Tanner Petersen
    Thread

    Somethings not right

    I've been working on an 81 XJ550 Maxim trying to get it running so I can enjoy the good weather. I've gone through the carburator and synced...
    Thread by: Tanner Petersen, May 12, 2018, 10 replies, in forum: XJ Technical Chat
  36. blake
    Thread

    81 Seca 550 electrical issues! Seeking guidance

    Hello! I got a seca 550 a little over a year ago. It ran all last summer but started dying at random moments. I've been working on it and am still...
    Thread by: blake, May 3, 2018, 8 replies, in forum: XJ Technical Chat
  37. Lightcs1776
    Thread

    No dash lights or turn signals - possibly loose ground?

    I have an '82 XJ750 Maxim that has been quite reliable until this morning. All regular maintenance has been done - shims, replacing the fuse box...
    Thread by: Lightcs1776, Apr 24, 2018, 13 replies, in forum: XJ Technical Chat
  38. Wynken de Word
    Thread

    1982 XJ550 Seca dies…won't start…starts! Electrical-shmectical

    Plot: A friend, we'll call 'em Dee, is riding the "new-to-me" '82 XJ550 Seca on beautiful Sunshine Coast backroads. Pulls a u-turn at destination...
    Thread by: Wynken de Word, Sep 25, 2017, 7 replies, in forum: XJ Technical Chat
  39. Get2theChopper
    Thread

    1981 Yamaha XJ650 battery

    I Pulled the acid battery from my good 1981 xj650 to temporarily use on my exact same model 1981 xj650 project bike. After cleaning the carbs and...
    Thread by: Get2theChopper, Aug 30, 2017, 20 replies, in forum: XJ Technical Chat
  40. WArider87
    Thread

    XJ 650 Maxim Start Issue (new to this bike)

    Hey everyone, I just got the XJ650 81' on Sunday and immediately began working on it. It was my fathers before and he had not ridden it in about...
    Thread by: WArider87, Aug 3, 2017, 2 replies, in forum: XJ Technical Chat
  41. Bleechmint
    Thread

    Electrical / Ignition Issues

    Hello all, 82-83 Yamaha Xj750 Maxim. I'm having a problem with the electrical system. It seems like cylinders 2 and 3 aren't firing. At least it...
    Thread by: Bleechmint, Jul 14, 2017, 4 replies, in forum: XJ Technical Chat
  42. Bleechmint
    Thread

    Ignition Issue.

    Hello all, 82-83 Yamaha Xj750 Maxim. I'm having a problem with the electrical system. It seems like cylinders 2 and 3 aren't firing. At least it...
    Thread by: Bleechmint, Jul 14, 2017, 1 replies, in forum: XJ DIY How-To Instructions
  43. steber
    Thread

    Steber's Cantankerous Wiring Conundrum

    It's about that time in my build where its time to focus on a totally custom wiring harness. I'm choosing to start a separate thread, similar to...
    Thread by: steber, Jul 10, 2017, 60 replies, in forum: XJ Modifications
  44. Jmkrull
    Thread

    Electrical Issues on XJ650

    I'm at a loss with some electrical problems. Right now I am having issues with: Turn Signals: When I got the bike a week ago, they worked. Then...
    Thread by: Jmkrull, Jun 11, 2017, 31 replies, in forum: XJ Technical Chat
  45. XJ650JMaxim
    Thread

    Lights dim when I brake

    When I apply the brakes (front or rear), my headlight and instrument cluster dims slightly. I'm new to this bike so I have no idea if this is...
    Thread by: XJ650JMaxim, Apr 14, 2017, 2 replies, in forum: XJ Technical Chat
  46. Dr. Awesome
    Thread

    Question on complete re-wire of XJ750

    So I'm still working on my build thread... but I'm completely re-wiring my '82 XJ750 Maxim due to massive component replacement and electrical...
    Thread by: Dr. Awesome, Apr 8, 2017, 4 replies, in forum: XJ Modifications
  47. Dr. Awesome
    Thread

    Can you identify these OEM Connectors or where to find some?

    I have been working through electrical stuff on the bike and I am building all new wiring harnesses, but I can't find these style connectors...
    Thread by: Dr. Awesome, Feb 12, 2017, 21 replies, in forum: XJ Modifications
  48. Baxter
    Thread

    Why do the turn signals make noise?

    This may be too easy for most but I hate electricals and really appreciate any help. Yesterday I installed a replacement/modern fuse box on my...
    Thread by: Baxter, Jan 24, 2017, 13 replies, in forum: XJ Technical Chat
  49. Paul Howells
    Thread

    1985 XJ700N Fusebox - Cleaning connections

    Hey Guys, So I am having trouble starting my 1985 xj700n. When I first bought it the engine would turn over and never fire but I got some good...
    Thread by: Paul Howells, Nov 11, 2016, 8 replies, in forum: XJ Technical Chat
  50. BigVinceDawg
    Thread

    Electrical issues

    So I've got what may be some basic questions for some of you, I've recently bought my first bike knowing it has an electrical issue (along with...
    Thread by: BigVinceDawg, Oct 31, 2016, 65 replies, in forum: XJ Technical Chat
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