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my electrical issues, tails ect

Discussion in '1st Gen. Tacomas (1995-2004)' started by fireturk41, Jun 14, 2010.

  1. Jun 14, 2010 at 9:19 AM
    #1
    fireturk41

    fireturk41 [OP] I like to break shit!

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    High Point, NC
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    okay recently my tails, dash lights and corner lights quit working completely, no blown fuses or bad relays.

    after reading this thread http://www.tacomaworld.com/forum/1s...elect-lighting-turn-signals-brake-lights.html

    i remembered i have a trailer hitch harness. before i remove my bumper to take it out i was wondering if it could have gone bad and caused these issues.

    any imput is greatly appreciated, thanks

    btw no blown bulbs just no parking lights dash lights or tail lights

    everything else works including headlights and brake lights and turn signals
     
  2. Jun 14, 2010 at 9:21 AM
    #2
    1337Taco

    1337Taco Sold all 3

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    I would check the trailer harness. Sounds like that other thread.
     
  3. Jun 14, 2010 at 9:36 AM
    #3
    fireturk41

    fireturk41 [OP] I like to break shit!

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    SAS, Locked front rear, Ufab sliders and bumpers, air compressor, 35" BFG KM2 on steelies and 36" TSLs
    any way to check it with a multimeter?
     
  4. Jun 14, 2010 at 9:41 AM
    #4
    borderbrat

    borderbrat Watching Chris4x4 o.O

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    PIAA fogs, led "puddle" lights, bed lights, in cab 115V, Toyota Devil emblem, Randy Ellis light bar with Hella Black Magics, OME 885 and Dakar leaf springs OME shock all round, 2.5 Gal OBA system with air horns, iPod adapter, scangauge on blend mount, magnaflow catback, bike fork mounts, tinted 2009 tails.
    well when tail are active and flashers and everything are ON you should have 12V to ground it you don't there is a short to ground somewhere.
     
  5. Jun 14, 2010 at 9:49 AM
    #5
    EnolaGaia

    EnolaGaia Well-Known Member

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    Whatever the problem is, it's affecting one circuit. The front corner / marker lamps and the interior dash illumination are powered off the taillight circuit.
     
  6. Jun 14, 2010 at 9:52 AM
    #6
    fireturk41

    fireturk41 [OP] I like to break shit!

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    SAS, Locked front rear, Ufab sliders and bumpers, air compressor, 35" BFG KM2 on steelies and 36" TSLs
    thats what makes it alot easier, atleast its not mixing circuits, im just not looking forward to ripping out the dash
     
  7. Jun 14, 2010 at 10:28 AM
    #7
    fireturk41

    fireturk41 [OP] I like to break shit!

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    btw my tag lights dont work either, they are getting about 20 milivolts however.... waiting for my gf to call so we can go ahead take off the rear bumper tails and trailer harness
     
  8. Jun 14, 2010 at 10:33 AM
    #8
    borderbrat

    borderbrat Watching Chris4x4 o.O

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    20mV is pretty negligible you definitely got a short somewhere. Can you unplug the harness from under the dash somewhere?
     
  9. Jun 14, 2010 at 10:39 AM
    #9
    fireturk41

    fireturk41 [OP] I like to break shit!

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    its a cheap hoppy harness ive had since i got the truck 2 years ago, i have to take off my rear bumper and tail lights to unhook it, but thats my next place to check. however the tag lights and tails are on the same circuit but the tags wires dont go up to where the harness is so it has me a lil baffled
     
  10. Jun 14, 2010 at 10:40 AM
    #10
    borderbrat

    borderbrat Watching Chris4x4 o.O

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  11. Jun 14, 2010 at 10:43 AM
    #11
    borderbrat

    borderbrat Watching Chris4x4 o.O

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    You'd be surprised how electrical gremlins can travel. I've chased a ground on ship from forward to aft then back to midships they can definitely get around. That and i imagine your tag lights are hooked to the tails as they both come on at the same time.
     
  12. Jun 14, 2010 at 10:47 AM
    #12
    fireturk41

    fireturk41 [OP] I like to break shit!

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    true...so a short to ground in one location can affect the whole circuit?

    sorry im an eletrical class drop out lol...i wish i was kidding too
     
  13. Jun 14, 2010 at 11:00 AM
    #13
    borderbrat

    borderbrat Watching Chris4x4 o.O

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    oh hells yeah.
    Electricity will always flow to ground through the path of least resistance.
     
  14. Jun 14, 2010 at 11:04 AM
    #14
    fireturk41

    fireturk41 [OP] I like to break shit!

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    oh goody goody :) im am hoping to god it is thr trailer harness and not the wiring harness

    i hate wiring stuff and plastic trim

    i also have a clock spring to replace too though :/

    edit the face to a :) i got a clockspring damn cheap http://www.pirate4x4.com/forum/showthread.php?t=697181
     
  15. Jun 14, 2010 at 12:40 PM
    #15
    fireturk41

    fireturk41 [OP] I like to break shit!

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    not done yet but trailer connections are corroded to shit
     
  16. Jun 14, 2010 at 1:08 PM
    #16
    borderbrat

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    That would do it. Get that shit harness out of there and clean up your connections. Then coat them in vaseline, it will protect them from moisture and corrosion... for a while anyway.
     
  17. Jun 14, 2010 at 2:46 PM
    #17
    fireturk41

    fireturk41 [OP] I like to break shit!

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    exactly what i did, still have a short to ground somewhere, any other suggestions

    edit: now my fire lights switch box keeps blowing fuses
     
  18. Jun 14, 2010 at 3:41 PM
    #18
    borderbrat

    borderbrat Watching Chris4x4 o.O

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    start isolating circuits via the fuses. So either pull all the fuses on your accessories lights radio etc just not engine related stuff ecu etc then replace them one by one or just remove them one by one. I would prefer the latter pull a fuse see if there is any difference replace it pull another fuse replace it blah blah blah.
     
  19. Jun 14, 2010 at 3:58 PM
    #19
    blitz10

    blitz10 Active Member

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    My sons 03 had a short that affected interior lights amonst other things. I took it in and it took the mechanic several days to find it. Aftermarket right rear tail light assembly. It looked new, but had a short.
     
  20. Jun 14, 2010 at 8:19 PM
    #20
    fireturk41

    fireturk41 [OP] I like to break shit!

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    my fire lights are not hooked up with the circuit that has a short to ground, its on its individual circuit.

    with the short to ground the fuses were not blown but i replaced anyways and i also replaced the appropriate relay with no help to the dilema, today my gf and i took off the aftermarket trailer harness cleaned the connections and coated with dielectric grease and put it together

    i have no other aftermarker parts on this circuit at all, i realised that it has gone bad when it was raining its ass off and i noticed my dash lights werent on with my headlights, any corrolation, i have no idea

    tomorrow if i have time afterwork im going to go over the exterior wiring harness and see if there are any obvious signs of damage
     
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