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Tail light problem

Outbacker

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Outbacker Enthusiast

Outbacker

Posted
Posted

Recently my passenger side tail light, only the running light bulbs, went out. There are two bulbs, both are dual element, and I figured it was strange that both went at the same time. The signal light and brake light work, just not the running light on this side only. I went and bought 2 new bulbs and guess what? Yup, the bulbs are still out which means it is electrical. Electrical problems are my nemisis, so any ideas where to start? Why would the running element of the bulb not work when the brake and signal light flash and they are the same bulb?

 

Thanks.

tanked_darren Senior Enthusiast

tanked_darren

Posted
Posted

You need to get a test light or multimeter and a schematic.

 

Then you start the diagnose, the tail lamps lights all the power comes from a junction block. It's behind the bumper the block is the same on a lot of gm full sizes since 2001 I believe

 

 

http://www.gm-trucks.com/forums/index.php?/topic/149559-Passenger-reverse-light-not-working

 

Scroll to the bottom.

Good luck let us know what it turns out to be.

 

I hate electrical problems so much too, I really took my time on my problem. But ill tell you what it is so satisfying to find the problem and fix it!

 

Sent from my Nokia 5190 using Tapatalk 2

 

fbachman Senior Enthusiast

fbachman

Posted
Posted

check obvious stuff first. this certainly doesn't sound like a fuse, but check your manual and make sure they are not on their own fused curquit and make sure all the appropriate fuses are OK.

 

Got bit that way once.

gmtech4 Senior Enthusiast

gmtech4

Posted
Posted

anytime to a guy that is living where we WANT TO !!!!! lol

 

we took a holiday in brentwood bay ,,,,,we loved saanich peninsula,,,

 

dont get me goin how awesome the Bear mountain golf course is !!!!

tbondu Enthusiast

tbondu

Posted
Posted

Check the wiring harness - I had the same issue and the wire broke off right at the bulb socket. Not enough wire exposed to solder a new connection so it looks like a whole new harness for me.

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