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Old 11-01-2009, 10:55 PM   #1
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Question Tail Light Malfunction...

The right taillight doesn't get brighter when I hit the brakes. But when the left blinker is on the right tailight will work correctly. What is the problem and how can I fix it?
Old 11-02-2009, 08:11 AM   #2
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Re: Tail Light Malfunction...

Oh and I have checked the fuses and they all look good...
Old 11-02-2009, 08:57 AM   #3
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Re: Tail Light Malfunction...

Sounds like a ground issue. Check your grounds on the back of the truck, should be on the driverside frame rail near the bumper.
Old 11-02-2009, 09:08 AM   #4
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Re: Tail Light Malfunction...

There's one on each side...
Old 11-14-2009, 02:59 PM   #5
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Re: Tail Light Malfunction...

The only grounds i found were behind interior panels in back of the blazer, and both of them were fine. Any other ideas? Need to fix asap as i am about to undergo PA inspection...
Old 11-14-2009, 09:08 PM   #6
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Re: Tail Light Malfunction...

Check your grounds up by the battery. Especially the one that connects to the frame. Or better yet, just run a temporary wire from the battery's ground to the ground by the taillights and see if that fixes it. It still sounds like a ground issue as it doesn't work when the lights are pulling all of the power.



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