2004 GMC Envoy "signal turn working" Questions

...turn signal on trailer My 2003 GMC Envoy SLT has a factory towing package. When I hook up my trailer the left turn signal does not work. The tail light works fine. I inserted a test light to the ...

...turn signal on my boat trailer. The brake lights and parking light work fine. The lights are LED. I have tested the plung on the harness at the bumper and all leads are fine except the one that ...

...you sure that is what you need to replace ? Do the turn signals work ? May be the turn signal hazard flasher module is bad ! How To Install Turn Signal Wiper Cruise Control Switch 2002 09 GMC

...turn signal and then apply the brakes, then the driver's side brake light works just fine. Also, not sure if this is normal, but when the turn signal is activated for either direction, only the ...

...turn signal and then apply the brakes, then the driver's side brake light works just fine. Also, not sure if this is normal, but when the turn signal is activated for either direction, only ...

...lamps wont light or flash at all, and assuming the wirings & connectors are also okay, it could be your turn signal multifunction switch or your turn signal hazard flasher module that is

...turn signal wont flash my brake lights wont flash and on the dash one of my turn signals dont flash but all the light be on at night time i have no clue all of the fuses are good turn on the turn ...

turn signal goes on (solid) when I step on the brakes. If I have the left signal turned on while I touch the brakes it works fine. All fuses are good and the bulbs appear fine. I have a 2003 GMC Envoy

...Turn Signal works sporadically My left turn signal works sporadically, like one out of 10 times. I've replaced bulbs & fuses and that hasn't fixed the problem. I'm thinking Flasher Relay, but I have ...

What to do when brake lights are not working, but 3rd brake light is. Fuses and bulbs have been tested. Could be the turn signal switch. The third brake light does not feed thru the turn signals.