Question about 2003 GMC Envoy
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 female plug-in and the left turn signal indicator light does not blink. I put in a new fuse - no help.
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Ok tdknutson, I'm not clear on this, does the truck left turn signal stop working when u plug the trailer in, or is it the trailer left turn signal that's not working, or both? When u plugged in the test light did it show u had power to that plug in? Let me know the answer to the above, and in the meantime, check the ground on the turn signal at the trailer. Make sure it's not loose, and tightly connected to the frame (or wire). Also, what type plug in do u have? 4, 6, 7 wire?
Posted on Oct 27, 2008
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Posted on Jan 02, 2017
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