1974 Chevy Truck TAIL WONT COME ON WITH SWICTH

Tiny
ANNIE8
  • MEMBER
  • 1974 CHEVROLET TRUCK
  • V8
  • 2WD
  • AUTOMATIC
  • 200,000 MILES
TAIL LIGHT BRAKE, WARNING WORK BUT NOT WITH THE SWICTH, 74 CHEVY TRUCK
Thursday, March 12th, 2009 AT 1:50 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, my wiring info for your year isn't the best. The tail-lites and brake lites don't use the same bulb filament. I'm not sure which one you want to check? Both? Probably a double-filament bulb. Usually the turn signal and brake lite use the same bulb filament, just not at the same time. Check the wires at the bulb socket, brown is for the tail lamp, black is for ground, the other color wire is for brake/turn.
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Saturday, March 14th, 2009 AT 12:42 PM

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