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GMC Sonoma Tag lights and dash light not working.

I took off my bumper so I could detach a hitch and when i put my bumper back on and reconnected my tag lights, neither those nor my dash lights were working. I've tried all the different combinations with the wires to the tag lights and nothing has worked.

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  • GMC Master
  • 5,341 Answers

Maybe you didn't reconnect the ground for those lights. Check for tail light fuse or IP lights fuse. You may have to get a test light or voltmeter, and start looking for where power is lost. Start at the rear light sockets, and work back to the front, to the park light switch.

Posted on Dec 31, 2013

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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emissionwiz
  • 76691 Answers

SOURCE: Brake lights do not work

This is a well documented problem, replace the turn signal/multifunction switch to correct this issue, this very problem happened on my GMC, it is a 99 as well, replaced the switch as instructed by a chevy forum member and it fixed the problem

Posted on Nov 07, 2008

  • 14 Answers

SOURCE: Tail light problems on 1996 GMC Sierra pickup

I had similar problem with my 97 sierra... I only lost 1 light, then brake lights stayed on all the time... turns out the "t" connector for the trailer harness under rear bumper was rotted inside...unplugged the 2 parts of the harness and pluged them into each other with out the "T" harness.... everything works great... Hope it helps ya

Posted on Feb 27, 2009

savdragon
  • 37 Answers

SOURCE: wiring for radio 1993 toyota corolla

You likely blew a fuse for your lights. Here is a wiring diagram for the original radio.
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Posted on Mar 19, 2009

ourhowse
  • 2007 Answers

SOURCE: No tail lights, tag light, dash board lights in 97 Nissan Maxima

If you don't have a manual, just get a test light, and ground it to your door hinge. At the back of every fuse, you will see part of the metal filament showing through. Touch your test light to each side of the fuse. You should have power to both sides of every fuse (when your key is on). If no voltage on one side, the fuse is burnt.

Posted on Jun 23, 2009

canbruce75
  • 1776 Answers

SOURCE: need wiring diagram for '94 toyota sr5 taillight's

I suggest that you visit the autozone.com website and register the vehicle. It doesn't cost anything and will give you access to an online repair manual for the vehicle. The wiring diagrams should be available there. Hope this helped and best wishes.

Posted on Sep 01, 2009

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On a 2000 GMC Sonoma, I have lights and dash lights, but no gauges work and it doesn't start?


The ignition switch:

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Dec 9, 2011 - Uploaded by greencaddi505 If you have no power to the dash when your key most likey it is your igntion switch. ... come on the head lights dont work or the horn i have no power at all do you think ... I had no power or light to the dash, and the engine did not start. ... Ignition Switch Replace - GMC Jimmy / S-10 / Hombre / Sonoma / Envoy ...

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I would start with the fuses,Check under the dash in the fuse box. Make sure all fuses are good. If there is a blown fuse then replace it, If the fuse blows then you may have a short in the wiring to tail lights, also check wire connections at the rear bumper area.
I have seen the connector go bad, test power going into and coming out of connector to tail lights. if there is a trailer hitch on this truck then check where the hitch wiring was connected , check for bad connections.
If the front park lights work then it may not be the light switch but rather a bad wire.Here is a wiring diagram to help you.
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I have 1996 Sonoma. My rear signals both flash, the tailights do not work, the liscence plate lights flash with the signal lights, Headlights come on with the ignition. I have changed the relays in the...


check the ground wire behind the dirveside back tire under the fender near the bumper it may be loose i had the same problem and had to reground it just with a nut and bolt to my frame

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I have a left front clearance light out how do you get it out 1


Signal and Marker Lights REMOVAL & INSTALLATION Front Turn Signal and Parking Lights
  1. Disconnect the negative battery cable.
  2. At the rear of the front bumper, turn the bulb socket 1⁄4 turn and remove the socket from the parking brake housing.
  3. Remove the bulb from the socket; if necessary, replace the bulb.
  4. If lens replacement is necessary, remove the retaining bolts and remove the lens from the bumper.
  5. To install, reverse the removal procedures. Check the turn signal/parking light operations.
Fig. 1: Common front turn signal/parking light mounting

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Fig. 2: Twist and remove the bulb socket from the back of the turn signal/parking light lens

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Fig. 3: If lens removal is necessary, loosen and remove the retaining bolts

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Jul 24, 2009 | 1992 GMC Sonoma

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Tail light problems on 1996 GMC Sierra pickup


I had similar problem with my 97 sierra... I only lost 1 light, then brake lights stayed on all the time... turns out the "t" connector for the trailer harness under rear bumper was rotted inside...unplugged the 2 parts of the harness and pluged them into each other with out the "T" harness.... everything works great... Hope it helps ya

Jan 01, 2009 | 1996 GMC Sierra

1 Answer

Head and Tail Light Replacement


Hello,

I have a 1999 GMC Sonoma and have had to replace the lights a few times.

- For the front lights, pop the hood and look to the front.
- Behind each light there are 2 black tabs.
- Pull these up to release the head lights. Be careful. they may fall right off!
- Pull the headlamp assembly out and take note of how the two tabs at the bottom fit into the frame.
- Undo all the bulbs (Some twist while others require you to hold a piece down while you twist to release the bulb) Keep track of which bulbs came out from where
- Once all bulbs are free, replace as needed.
- To reinstall, put the bulbs in the same holes they came out of
- Remember those black tabs you took note of earlier when the assembly came off? It's time to put those tabs back in the slots they came out of.
- Align the black rubber bumpers on the back with their sqaure holes
- Push the Assembly into the frame and have those black tabs ready.
- Once you see the square bumpers on the other side of the frame, slide the black bumpers back on
- Repeat for the other side

- For the tailights, Open your tailgate
- Locate the screws on the sides holding your tail light on (usually one or two screws)
- Undo the screws and take the taillight out
- Undo the bulbs like you did with the headlamps
- replace bulbs as nessecary
- Put bulbs back in
- Reattach tail light (With screws)

A Hayes Service manual also covers these pocedures.

Good Luck!

Jul 24, 2008 | 1998 GMC Jimmy

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