Question about 2006 GMC Canyon
Sometimes, when brake pedal is depressed, left turn signal indicator will dimly light up and the "clicking" you usually hear when the turn signals are on will click once when the pedal is depressed and once when released. Also, occassionally when the left turn signal is turned on, it will blink really fast as when a bulb is out. However, the bulbs are good and both (front and back) are flashing really fast. This truck does have trailer wiring. There are several block connections in the trailer wiring. My first thought is that perhaps there is a problem (possibly corrosion) in one of these connections. I am on may way out to clean them all. Any other ideas would be greatly appreciated. Thank you in advance.
Look for a loose ground wire to the lights themselves. Also the bulb can be bad but you can't see it. The light will seek a ground if it doesn't have a good one. It will "feedback" through the wiring and make the lights act really weird.
Posted on Oct 01, 2009
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Posted on Jan 02, 2017
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