Brake lights don't work but fuses not blown - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 04-12-2011, 05:19 PM Thread Starter
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Brake lights don't work but fuses not blown

I was wondering if someone could give any suggestions. I know electrical problems can be a real pain ... but

I have a 2002 F250 Diesel 7.3 2WD

Brake lights don't work. not sure when they stopped working but couldnt have been more than a couple months. Tried changing the Brake switch at the brake pedal but didnt correct the problem. Checked all fuses on the fuse panel and everything tests. Checked every fuse with a fuse tester.

Does anyone have a diagram that labels what fuse goes to what?????

Any suggestions would be appreciated
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post #2 of 8 Old 04-13-2011, 06:21 AM Thread Starter
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Suggestions Anyone?

Can anyone offer any thoughts???

I have double checked all of the fuses again and they are good. I have done some research and on the Relay's and do not see a Relay for the Brake Lights, only see relays for Anti-Lock Brake, Trailer Tow and other things not related to brakes.

Again i have replaced the Brake light switch that connects to the brake pedal - When i press the brake pedal i do not hear or feel any clicking - if there is a relay for the Brake lights can anyone help determine which relay it is?

All other lights work - when i connect my boat trailer the lights come on like normal but the Brake lights on the trailer dont work either

Thanks in advance for any suggestions anyone might have
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post #3 of 8 Old 04-13-2011, 06:38 AM
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I've got the fuse diagram somewhere on my computer.... give me a few to find it for ya!

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post #4 of 8 Old 04-13-2011, 06:41 AM
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post #5 of 8 Old 04-13-2011, 07:32 AM Thread Starter
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Banshee34, thanks for the post

yeah, i did find this diagram and reviewed it but all of my fuses check out and the Relays listed in the diagram do not specify anything about Brake Lights, unless i am complete overlooking something.

Other than the Fuses, Relays and the Brake Light Switch, What else is there???

thanks again
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post #6 of 8 Old 04-13-2011, 07:54 AM
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Besides possibly a short, I don't know.... so.....


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post #7 of 8 Old 04-17-2011, 07:30 AM
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I had this problem on an 04 company truck. Took it to the shop and it was some sort of switch in the steering column. Cost about $200 to fix.

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post #8 of 8 Old 04-22-2011, 09:20 PM
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could possibly be the multi function switch in the column, take the covers off of the column and bring it up to autozone and ask if theyll let you just switch the multifunction switch out to see if thats whats wrong, its only two screws after you have the covers off. do your blinkers work?
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