Only my cab brake light is working on my 2007 Chevy Silverado classic. All the fuses are good, the relay on the rear of the truck is good.
I was thinking the brake light switch
but wouldn't the cab brake light not
be working? I've read that it could
be the turn signal switch.
Im thinking,bulbs,or wiring ,if you have a a pig tail harness for trailer light,s start looking there after checking the bulbs.
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