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post #1 of 7 (permalink) Old 08-04-13, 11:50 AM Thread Starter
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96 F250 Park lights come on when brake pedal is pressed

Park lights come on when brake pedal is pushed. I have totally disconnected lights on rear of truck and still does it. checked all bulbs, all are correct and good. removed flasher and still did it. all of trailer connection wiring has been disconnected as well. does anyone have an answer for this problem????

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post #2 of 7 (permalink) Old 08-04-13, 12:50 PM
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Re: 96 F250 Park lights come on when brake pedal is pressed

The stoplight wiring must be shorted to the brake light circuit. Maybe under the bed area. What happens when you use the turn signal?

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post #3 of 7 (permalink) Old 08-04-13, 02:09 PM
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Re: 96 F250 Park lights come on when brake pedal is pressed

A bad earth / ground can cause this fault .
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post #4 of 7 (permalink) Old 08-04-13, 02:50 PM
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Re: 96 F250 Park lights come on when brake pedal is pressed

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Originally Posted by R.S.LOGAN View Post
A bad earth / ground can cause this fault .
She said she disconnected the lights in the rear.

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post #5 of 7 (permalink) Old 08-04-13, 03:11 PM
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Re: 96 F250 Park lights come on when brake pedal is pressed

With parking lights , is she not referring to front lights coming on ? Had many a car over here when the sidelights came on when braking and that was the cause , quite common fault .If not , ignore my suggestion , I'm not an auto electrician .
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post #6 of 7 (permalink) Old 08-04-13, 05:46 PM
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Re: 96 F250 Park lights come on when brake pedal is pressed

According to this diagram, your brake lights feed through the multifunction switch. You might be shorting in your lamp fixtures, but if that proves wrong, try replacing that.

Ever notice that there's so many high performance parts available for GM products?

Did you ever think that maybe they NEED them?
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post #7 of 7 (permalink) Old 09-06-13, 08:27 AM
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Re: 96 F250 Park lights come on when brake pedal is pressed

Check all the ground wires and does the truck have a tow package?

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