Question about GMC Sierra
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Posted on Jan 02, 2017
SOURCE: Brake lights quit working.
if all fuses and bulbs are ok get to the brake switch and see ifits stiff or stuck, if it just has two wires on it you could join themtogether to see if the brake lights come on though obviuosly dont leave them joined.Good luck davelee
Posted on Mar 23, 2009
SOURCE: factory radio wiring color codes
Here ya go. enjoy!
2002 GMC Sierra C1500 Car Radio Wire Color Codes
Car Radio Battery Constant 12v+ Wire: Orange
Car Radio Accessory Switched 12v+ Wire: Yellow
Car Radio Ground Wire: Black/White
Car Radio Illumination Wire: Brown
Car Stereo Dimmer Wire: Gray
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: Under the center console.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Tan
Left Front Speaker Negative Wire (-): Gray
Right Front Speaker Positive Wire (+): Light Green
Right Front Speaker Negative Wire (-): Dark Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Brown
Left Rear Speaker Negative Wire (-): Yellow
Right Rear Speaker Positive Wire (+): Dark Blue
Right Rear Speaker Negative Wire (-): Light Blue
Posted on May 14, 2009
SOURCE: trailer brake controller problem
I found the problem. Talking with a technician from the controller company, we determined that it was a fuse problem. I found that the fuse to the CHMSL was blown.
Posted on Jun 30, 2009
Brake light switch is active by the brake paddle.
Before you start,take a picture or do a sketch of the spring or linkage around the brake paddle.
Move the seat back will give you better access.
Press the paddle and the inner side (closer to the firewall) of the paddle will activate the switch.
Please keep in mind there are fuse(s) to protect the lighting circuit.
Check all the fuses before you R&R the brake switch,
Posted on Jul 16, 2009
i have a 1989 gmc sierra that is having brake light and rear parking light issues. recently my truck was hit from the front and taken to a body shop for repairs. a couple days after i got it back my tail lights started acting up. during the day when parking lights and headlights arent needed my brake lights work fine but when the blinkers are on the are very slow in blinking. once the parking lamps/headlights come on the brake lights nor rear parking lamps come on. what can i do to fix this
Posted on Apr 12, 2010
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