Question about 2004 GMC Envoy

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2004 GMC Envoy XL 2 out of 3 rear brake lights will not work. All other rear lights work. Changed brake switch, checked fuses, changed bulbs and replaced circuit boards and we still don't have b

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Have seen same issues with a car, 98 chevy, and others...headlights suddenly not working, a 350 model truck year?, kinda new, very well kept, for instance. Problem was with the turn signal lever having wiring associated for lots of stuff, and something wrong there. Good luck. Seems may be common for various makes to have light failure issues, intermittent or not despite all checked seeming fine. And the turn signal lever the culprit.

Posted on Nov 24, 2014

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Feed supply problem somewhere ?but where ? try checking the wiring loom at the rear or as its called in american "pigs tails"

Posted on Nov 19, 2012

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Posted on Jan 02, 2017

Marc Podeszek

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SOURCE: 2003 gmc envoy xl brake lights dont work

sounds like a fuse look under the dash panel for fuse cover look at the back of cover and check that fuseThanks for using fix ya Please rate my response thank you very much

Posted on Jan 31, 2009

Anonymous

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SOURCE: 2003 gmc envoy xl brake lights dont work

theres usually a pressure switch behind the brake pedal, sometimes the plastic hex nut rattles loose and you have to retighten it.

Posted on Apr 12, 2009

Anonymous

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SOURCE: brake lights won't work. tail lights do. I

need to know if your third brake light up high is working or not.if it isn't,you need to check the brake light switch on the brake pedal with a test light,one side hot all the time,the other side should turn hot when brake pedal is pushed.

Posted on Jan 19, 2010

Anonymous

  • 1 Answer

SOURCE: both lowbeam headlight not working

Duralast / Relay - Headlamp Part Number:
20601
Autozone: $39.99 I had the exact problem with my 2004 Envoy. You need to replace the Headlamp Relay. This is a very simple fix. The relay is located under the hood in box just above the battery. Pull the cover off of the box, look at underside of box to see layout of relays/fuses, i do not recall the exact abbrevaition used for the headlamp relay but there are only two relays in there that look like the one you need, just play with those two and you will get it. Do not take it to the shop, my wife took ours in and they charged us way to much to diagnose such a simple fix. You can test it before you buy the part by switching the relays that are the same around and seeing if your headlights work (they will). It is as simple as changing what looks like a big fuse.

Posted on Feb 24, 2010

Anonymous

  • 82 Answers

SOURCE: 2004 GMC Envoy rear hatch complete door wont

door lock actuator solenoid ( inside of door) needs to be replaced

Posted on Mar 25, 2010

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Related Questions:

1 Answer

Where is the tail light fuse?


The tail light fuse is under the rear seat on the drivers side.

Jan 17, 2016 | 2003 GMC Envoy

3 Answers

Brake lights not working


1. Check fuse
2. Installed trailer plug lately, if so check wiring
3. Check switch above pedal arm

May 27, 2014 | 2004 GMC Envoy

2 Answers

2 out of 3 brake lights dont work


If any light lights up when you apply brakes, then the brake switch is ok. The problem could be a fuse and/or a relay. or the bulbs. Those bulbs are dual filament so one filament could be bad, for stop or tail lights.

Oct 02, 2012 | 2002 GMC Envoy XL

1 Answer

Where is the brake lightfuse located at on my 2004 envoy xl


There is only one fuse for the brake light, so if the passenger side is working, the fuse is OK. You most likely have a bad bulb, bad bulb socket or a wire issue. The circuit board that all of the rear light are mounted to also has had problems in the past.
BTW - the fuses for the rear light are under the rear seat.

Jul 30, 2012 | 2004 GMC Envoy

1 Answer

Fthe tail light works but the brake light doesn't work, it probably is the module that has a circuit board. I have replaced it 2 or 3 times on my 2004 XL Envoy ... can I get a part number and location...


First let's determine which brake lights are not working. Does the high mounted brake light work? Do both left and right brake light not work? If none of the brake light work, the problem could be the brake light switch at the brake pedal OR fuse #12 in the underhood fuse panel.
If only the bake lights at the corner lamp assembly don't work, check fuse #34 in the rear fuse panel.
The module your are referring to is the circuit board located in each of the corner lamp assemblies, check on website www.compnine.com for the part number of this item. I don't believe this is your problem though.

Jul 25, 2011 | 2004 GMC Envoy

1 Answer

Rear lights all work with the exception of the brake lights on either side, changed bulbs and checked fuses but brake lights still do not work


look above the brake petal for a switch that is attached to the petal linkage-it is either unplugged or hung up/misaligned.

Apr 13, 2011 | 2002 GMC Envoy

3 Answers

2004 Envoy brake lights do not come on when you push brake. The bulbs are fine


This is the part you will need to replace.
http://cgi.ebay.com/ebaymotors/AC-Delco-BRAKE-LIGHT-SWITCH-gmc-ENVOY-2003-2002-2006-/250579604910

Mar 12, 2010 | 2005 GMC Envoy Xl

1 Answer

2003 Envoy xl..right brake won't work..flashers


no wire harness problem probably that side. also lost some fuses?

Apr 20, 2009 | 2003 GMC Envoy Xl

2 Answers

2003 gmc envoy xl brake lights dont work


sounds like a fuse look under the dash panel for fuse cover look at the back of cover and check that fuseThanks for using fix ya Please rate my response thank you very much

Jan 30, 2009 | 2004 GMC Envoy

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