Electrical Demon question. - Ford Powerstroke Diesel Forum
 
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post #1 of 6 Old 05-27-2010, 03:56 PM Thread Starter
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Electrical Demon question.

I have noticed here in the past 2-3 times Ive driven he truck, that the brake lights come on all of a sudden. I notice it because my little brake controller lights up. I have not verified that the rear brake lights were on, but I'd swear to it cause i saw the reflection in the back window from the third brake light. Sometimes I can smell some electrical burning also, smells like its inside the truck, but I can smell it under the hood also. Its not constant, just hit and miss. kinda like the brake lights, sometimes they come on, then they go off. its weird.

Where would I start looking for this problem? I thought about taking the brake controller loose and doing away with it. The wires were cut from the bed mounted plug(where 5th wheel was) some time ago. I tapped the brake controller, and it did nothing for the light.(was looking for possible loose wires and such.)

could it be a faulty brake switch on the brake pedal?

any help is much appreciated!

Nick
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post #2 of 6 Old 05-29-2010, 06:57 AM
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You have a faulty brake switch, my friend.
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post #3 of 6 Old 05-29-2010, 08:35 AM Thread Starter
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thats what i thought. before I had this problem, i smelled what appeared to be a burning electrical smell form under the dash. I found out later that my alternator was charging at 26.2VDC! After I replaced my alternator, this smell hasnt come back, and the brake lights havent been funky. I will replace the brake switch if it returns.

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D66 w/Dieselsite WW2, Full Force 250/100s, Adrenalin HPOP, Built Trans, Walbro Fuel Pump, S&B Intake, 6" Stacks, Leveling Kit, Eagle Alloy Wheels, 315/75/16 Grabber AT2s & Much More




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post #4 of 6 Old 05-29-2010, 06:05 PM
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haha thats alotta juice. that'd explain your random issues..
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post #5 of 6 Old 05-29-2010, 06:22 PM
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That wouldnt be soo bad....with series batteries, lol. Im surprised the pcm/ficm actuall survived and functioned well with that amount of voltage in the system.
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post #6 of 6 Old 05-29-2010, 06:39 PM
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I think its user error











































































































































sorry bud I had to, Im a

Mike




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