Question about 2003 Chevrolet Suburban

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The right turn signal does not work when I press on the brakes in my 2003 suburban

After my alternator was just replaced, and now the right turn signal stops working when the brake paddle is pressed. Other times it will not work at all. The lights all appear to burn brightly. I checked the fuses and they seem fine. Help, please.

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  • rtervo
    rtervo Jan 24, 2014

    I have this same problem on my 2003 suburban. I replaced the junction box for the rear lights that is on the inside of the right rear fender, that didn't help. I replaced the multi-function lever, that didn't help. Mechanic suggested my trailer plug may be shorting out, I unplugged it and that didn't work. Any more idea's? I'm getting tired.

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Its a turn signal switch gm has always had this problem. Next time you have problems try turning on the 4 way flashers if the bulb flashes it the switch last one costed me $300

Posted on Jan 22, 2013

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Posted on Jan 02, 2017

psds4
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SOURCE: no turn signals or side brake lights on 94 chevy suburban

the problen is probably the turn signal switch with a test light check for power at brake switch if no power check for power at turn signal switch the brake lights are incorperated through the turn signal switch

Posted on Oct 18, 2008

  • 1 Answer

SOURCE: Chev Cavalier 2003 only one rear turn/brake/hazard light

I have a 2002 Chev Cavalier that had the same exact problem. I replaced the bulb harness (purchased from a chevy dealership for around $5) which was fairly easy to do. I have had zero problems with it since.

Posted on Dec 03, 2008

  • 1 Answer

SOURCE: Brake Lights Not Working ...

Hello all; I figured out this one; it is indeed the turn signal switch. There are plastic tabs that hold the whole assembly together under constant friction when you use the turn signal. They eventually wear out. I was able to fix mine on my own. I had to take the air bag out and everything! The easy way to figure this out is to take out one of the brake lights from it's mount, lay it in the trunk connected and fold the seat down, so you can look back and see it go on as you pull the turn signal lever slightly towards so and step on the brake. That's how you know it's your turn signal control. you can either replace the control or fix it with washers and lithium grease like I did. It wasn't really hard. I used the Haynes manual and bought a stearing wheel puller. Still cheaper than the dealer or repair shop. I paid $60 overall.

Posted on Mar 29, 2009

  • 17 Answers

SOURCE: Brake lights on my Chevy Silverado do not work but the Cab works

check grounds on rear light assy's

Posted on Apr 09, 2009

  • 4 Answers

SOURCE: 99 Chevy Tahoe... Rear turn signals, brake lights, and hazards

I had this problem, and to be honest, it happened to the left side about a week later...it's the board that the bulbs plug into...it's a very common problem with this model. So popular that you can normally get the socket board off the shelf at a parts store! it's extremely simple to replace, and I replaced all the bulbs at the same time!

Posted on Oct 11, 2009

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