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 Apr 24, 2012 at 06:26 PM about the 2003 Chevrolet Silverado 1500 Short Bed 2WD

Question type: Maintenance & Repair

3 Answers

1,005

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

3,035

your 4 way flasher may be bad ...

1 out of 1 people think this is helpful.
3,035

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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