I have an 03 chevy truck, when I apply the brakes the 3rd light on the cab comes on but the other two will not. I have replaced the bulbs,fuses, brakelight switch, the multifunction switch & see no dammage to the harness. What else is there to do?

Asked by tomg123 Apr 24, 2012 at 06:26 PM about the 2003 Chevrolet Silverado 1500 RWD

Question type: Maintenance & Repair

3 Answers

2,735

check the wires themselves that run from the harness to the back taillights check voltage and resistance and look for an open circut or broken wire

6,135

then theres always the obvious , do you have a bad ground ? do the 4 ways flash ? you got right and left turn signal ? if yes to both you missed a switch somewhere .

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