1990 GMC C1500 exterior lights

Tiny
KEEGANLILES
  • MEMBER
  • 1990 GMC C1500
  • 4.3L
  • 6 CYL
  • 2WD
  • MANUAL
  • 175,000 MILES
My right front lights are the only ones that are. Working and I was wondering what is going on I have tried to replace bulbs and my flashers don't work either I replaced the relay and they still don't work
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Thursday, February 20th, 2014 AT 9:07 AM

12 Replies

Tiny
HMAC300
  • EXPERT
If dimmer switch is on flor unplug it andsee if lights come on if they do you need anew switch it can be the ground is bad so check battery to body ground and ground for lights.
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Thursday, February 20th, 2014 AT 9:31 AM
Tiny
KEEGANLILES
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Would that affect my raido or dash? Because they work fine and my right front lights work too.
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Thursday, February 20th, 2014 AT 10:27 AM
Tiny
HMAC300
  • EXPERT
No the ground is for the headlights/parking lights if they are out in back check theground back there as well on lh frame rail.
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Thursday, February 20th, 2014 AT 10:29 AM
Tiny
KEEGANLILES
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It's also my blinkers break lights literally all of my lights aren't working
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Thursday, February 20th, 2014 AT 10:50 AM
Tiny
HMAC300
  • EXPERT
Do what I said in first reply then check to seeif your headlight switch is sending power to them for blinkers see if t/s switch is sending power through it. Otherwise have a pro look at it
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Thursday, February 20th, 2014 AT 11:57 AM
Tiny
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Ok thank you.
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Thursday, February 20th, 2014 AT 12:04 PM
Tiny
KEEGANLILES
  • MEMBER
So my tail lights, break lights, and rear blinkers aren't working and I was wondering why the problem could be.
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Thursday, February 20th, 2014 AT 6:09 PM
Tiny
HMAC300
  • EXPERT
Have a pro do it I can't fix it for you. You obviously haven't understood what I've replied. I have no further suggestions
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Friday, February 21st, 2014 AT 6:41 AM
Tiny
KEEGANLILES
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Where is the ground wire located for the rear lights?
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Friday, February 21st, 2014 AT 7:53 AM
Tiny
HMAC300
  • EXPERT
Re read all the replies I've sent I 've already answered that
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Friday, February 21st, 2014 AT 9:36 AM
Tiny
KEEGANLILES
  • MEMBER
Thank your help sorry I'm 16 and I don't have very much auto experience as to wiring
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Friday, February 21st, 2014 AT 11:44 AM
Tiny
HMAC300
  • EXPERT
Like ai said have apro do it or someone who has experience with wiring circuits and what to do. Maybe if you have an auto shop class to take it to. You need a volt meter or test light to find problems and we can't walk you through it.
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Friday, February 21st, 2014 AT 12:04 PM

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