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What causes the brake lights not come on,but allow 3rd mount light to come on? i've checked the bulbs,sockets,fuses. now i'm stumped.

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THOSE LIGHTS ARE ON 2 DIFFERENT CIRCUITS. ONE WHITE WIRE COMING OUT OF THE BRAKE LIGHT SWITCH GOES TO THE CENTER BRAKE LIGHT. THE OTHER WHITE WIRE GOES FROM THE BRAKE LIGHT SWITCH TO & THROUGH THE TURN SIGNAL SWITCH SO THE LIGHTS CAN BE USED AS BRAKE LIGHTS OR TURN LIGHTS. THE BRAKE LIGHT SWITCH IS GOOD BECAUSE THE CENTER BRAKE LIGHT IS WORKING. IT IS A BAD WIRE { WHITE } FROM THE BRAKE LIGHT SWITCH TO THE TURN SIGNAL SWITCH OR A BAD TURN SIGNAL SWITCH.

Posted on Jan 17, 2011

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Posted on Jan 02, 2017

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