Question about 2004 GMC Canyon

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The back tail lights and the 3 brake light up top doesnt work.the left side running lights and brakes stay on and the blinker is very dim. the right side has no running lights or brake light but the blinker works just fine. when i push on my brake pedal the left side blinker signal goes off. ive replaced bulbs and fuses but the fuses keeps blowing could this be the brake lamp switch causing all these problems

Posted by Anonymous on

6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

TLRogue
  • 99 Answers

SOURCE: brake lights dont work untill i turn the lights on, then stay on

Hi, are the tail lights and the brake lights in the same light unit?
If so, there is a possibility the bulbs are in the wrong way. If it is a stop/tail bulb then there are two locating pegs on the side of the metal part. If you look, one is higher than the other which has to locate into the correct slot in the holder.

Another possibility is the bulb is wrong, there are double and single contacts. Check the contact on the base of the bulb is the same as the contacts in the holder.

TL

Posted on Feb 09, 2009

  • 49 Answers

SOURCE: right turn signal stays on will not flash left works.2001 jimmy

its your blinker box.. all major lights run through there

Posted on Aug 04, 2009

  • 225 Answers

SOURCE: 1997 GMC Sierra p/u. Brake light & blinker out. Taillights ok.

I have notice that this is a common problem. The socket most of the time goes bad, I don't know why but they just do. You can pick them up at any parts store for around 5.00 each. If you don't have a volt meter and ground straps to test it right, then I would try changing the sockets out. Quick and easy. Let us know how it goes.

Posted on Aug 30, 2009

  • 100 Answers

SOURCE: 1997 GMC Sierra p/u. Brake light & blinker out. Lamp & fuse ok.

you probably got the wrong bulb
those are usualy a different number higher wattage, they look exactly like an 1127 but are a 2027 or even a 3027 check the bulb base it has the number printed on it

Posted on Aug 30, 2009

  • 12 Answers

SOURCE: 1999 GMC Suburban, K1500 4WD. Top brake light bar

third light is different circuit. saftey reason check fuses grounds wires

Posted on Oct 11, 2009

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1 Answer

Changed fuses fow tow connector. #3 and # 7. Now the left trailer light,signal, brake,etc works while only right tail light on trailer still works. On right side, the tail works, but not the brake,or...


I would recommend taking out the tail light. Get a test light, have an assantant step on brake. U will see the bulb in tailamp light up. Probe the wire w/your test lamp. That is brake wire. Repeat that process for blinker.. Drop down those two wires. Hook that to the same side on trailor. Repeat for left and you should be all set.

Dec 13, 2014 | Cars & Trucks

1 Answer

No brake lights


No , if your blowing a fuse it is the result of a short to ground on the electrical circuit , wiring ! Do you know how to do automotive electrical trouble shooting ? Using a volt meter ? Do you know what a wiring diagrams is ? How to read one.
Basic Electricity for Service Techs Ohm law Current Flow Opens Shorts
Free wiring diagrams here
http://www.bbbind.com/free_tsb.html Enter vehicle info. under system click on lighting , subsystem click stop lamps . Then click the search button , then the blue link. Use the wiring diagram to pin point testing locations in the circuits . Check out videos on youtube on finding a short .
how to find electrical short on most any car or truck
Finding The Source Of Electrical Shorts In Your Car


Jun 23, 2017 | 2004 GMC Canyon

3 Answers

Tail lights are not working correctly


I have to believe that with all of the "non related" issues happening that there is a wiring harness problem. If you track the harness back from the tail lights you will probably find a nick or a break in the line. If nothing shows then check the connection point which should be somewhere around your fuel tank. It will be a male/female fitting that will pull apart and you can check at that point with a meter if it is working to that point. If not it then you will have to work your way all the way up to find the fault point.

Feb 12, 2014 | 2004 GMC Canyon

1 Answer

Brake Lights and Hazard still dont work


TEST FRONT RIGHT BLINKER CIRCUIT AND REPLACE THE BULB,,WITH PROPER BULB...A DOUBLE CIRCUIT BULB IN A SINGLE SOCKET WILL DO THAT ALSO A SINGLE SOCKET BULB IN A DOUBLE SOCKET HOLDER....CHECK LEFT SIDE BULB FOR ACURANCY

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2 Answers

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easy one this ....... check all the earth/ground wiring to the car chassis.

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1 Answer

Right side brake light stays on all the time


Assuming you don't have a trailer connector the bulb failure warning module might be you problem

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1 Answer

Right tail light not working when pressing brake w/ lights on.


There should be at least 2 bulbs in the light assembly. One light is the light that is on when you turn on your headlights with out the brake pressed, the other light only lights up while you press on the brake. Make sure you are replacing the correct bulb. You may have been replacing the bulb that stays on. Your lights may be set up to turn off the light that stays on when the headlights are on while pressing the brakes.

Nov 13, 2008 | 1993 Toyota Camry V6

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