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Rear Brake Light don't work.

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Old Nov 4, 2003 | 08:11 PM
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Rear Brake Light don't work.

Hi to all. I have a 2000 F150 2 wheel drive and the rear brake lights are not working. But whats weired is it that the Center High Mount Stop lamp does work.
Where do I to look for a solution. Thanks in advance for any advice.
 
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Old Nov 4, 2003 | 08:39 PM
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Are the bulbs good, or did they burn out? If they burned out at the same time, you probablyl got a short somewhere. Check your fuses, if you haven't already, then the relays.
 
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Old Nov 4, 2003 | 08:46 PM
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The bulbs are good, I even replaced them to be in the safe side, but it did not help. Thanks for the fast reply triton_2002.
 
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Old Nov 4, 2003 | 08:54 PM
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I do have the Haynes repair manual and by looking at the wiring diagrams I've traced the wires for the brake lights to go to a MLTI-FUCNCTION Switch. So does the third brake light connect to this switch. But where in the vechicle would this switch be.
 
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Old Nov 4, 2003 | 10:19 PM
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Its in the column. check for power to ground. It could be a ground issue in the bulb. Also there is a connector at the back of the truck in the driver side framerail that could be an issue. Most likely its the turn signal/multifunction switch. Do the hazard lights or turn signals work? The 3rd brake light does not function from the MF switch. The brake pedal switch sends a signal to the MF switch and also directly to the 3rd brake light. This is why you see alot of cars with working CHMSL but not regular brake lights.
 
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Old Nov 5, 2003 | 12:16 AM
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Thank you guys for all your help and yes the problem is at the multi-function switch. The multi-function switch is good, but the problem was the connector to the switch. All I did was push on the connector and the brakes lights came back on.

Thanks again

Pancho
 
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