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"New" '98 -- Reverse lights out -- gotta pass safety!

Discussion in 'Technical Chat' started by jtn, Aug 31, 2008.

  1. Aug 31, 2008 at 9:39 AM
    #1
    jtn

    jtn [OP] Member

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    Hi folks,

    Just picked up a (new to me) '98 Tacoma and love it. So much easier to work on than the old Exploder. Unfortunately, the state of Utah says I need working reverse lights to pass safety, and I'm an electrical moron. All the fuses in the engine compartment look good, as well as those under the driver side dash. both reverse bulbs are good as well. I saw on another post that the backup lights involve a few other switches & connections, but I didn't see them when I traced the wire harness back from the rear gate -- any ideas?

    Thanks!
     
  2. Aug 31, 2008 at 9:41 AM
    #2
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Welcome to TW!!!! Are you SURE the bulbs are good? Also, you did check the fuse for the reverse lights?
     
  3. Aug 31, 2008 at 9:50 AM
    #3
    jtn

    jtn [OP] Member

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    The element inside looks intact -- I'll put them in another socket and make sure. Which fuse is the reverse? I pulled them all in those two fuse blocks and they were good . . .
     
  4. Aug 31, 2008 at 9:55 AM
    #4
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Looking at the bulb is not a good indicator of weather or not it is good. Do you have a Multi meter?
    [​IMG]
    If not, you should get one. They are pretty inexpensive and you can trouble shoot conections with them.
    In your fuse box, you should see a picture and lable of what fuses are where. Try and find the one labled "Back up lamps". Check it to see if the fuse is blown. If you are unsure, replace it.
     
  5. Aug 31, 2008 at 11:09 AM
    #5
    jtn

    jtn [OP] Member

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    Just dug out the multimeter -- also switched the back up bulbs with the turn signal ones and they worked. Found another unlabeled fuse in the driver's side rear light housing, and it looked good.

    I noticed that after switching the bulbs back, the turn signal blinked normally when the brake lights weren't on, or when the headlights weren't on. When either WAS on, the turn signal blinked twice as rapidly on the dash and on the exterior lamps. Could whatever caused this also cause the problem with the back-up lamps? (Or maybe I blew something out by switching the bulbs earlier . . .oops) I don't remember if this was the case before testing the bulbs in the turn sockets (hadn't driven at night yet with this truck).

    Gotta love slow Sunday mornings . . .

    dash fuse box.jpg
    engine fuse box.jpg
    rear fuse.jpg
     
  6. Aug 31, 2008 at 11:27 AM
    #6
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Rapidly blinking turn signals are indicitave of a blown bulb. Turn your hazards on and walk around your vehicle to see which one is burnt out.
     
  7. Aug 31, 2008 at 11:30 AM
    #7
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    I cant quite make out all the words on your second pic. Could you make it larger for me?
     
  8. Aug 31, 2008 at 12:15 PM
    #8
    jtn

    jtn [OP] Member

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    You bet --

    Tried the hazards, and only the turn signals blinked (the passenger side was much dimmer though . . . )

    Headlamps and taillights worked when I turned on the lights too.

    top L.jpg
    top R.jpg
    engine fuse block bottom.jpg
     
  9. Aug 31, 2008 at 4:53 PM
    #9
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Ok, just to recap and make sure Im catching all this. You took the turn signal bulbs and put them in the reverse light location, and the reverse lights worked. Right? Took the reverse bulbs and out them in the turn signal locations, now there is a problem with the turn signals? If I have this correct so far, Im thinking its a bulb issue. :confused:
     
  10. Aug 31, 2008 at 5:41 PM
    #10
    jtn

    jtn [OP] Member

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    I'm thinking you may be right -- I'll get to the store and try some new bulbs. Thanks for the info!
     
  11. Aug 31, 2008 at 5:45 PM
    #11
    chris4x4

    chris4x4 With sufficient thrust, pigs fly just fine. Moderator

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    Anytime!
     
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