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brake light switch #1428402
04/30/13 10:48 PM
04/30/13 10:48 PM
Joined: Apr 2007
Posts: 3,235
Marion Illinois
72d100 Offline OP
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Marion Illinois
im not really sure how to ask this but i was trying to diagnose why my brake lights are not working and there was a loose red wire connected wrapped with the white wire connected to the brake light switch. I accidentally grounded the red wire and it arced and now the truck has no power. does anybody know what the red wire goes to and any ideas why i have no power now
the truck is a 72 if that helps

Re: brake light switch [Re: 72d100] #1428403
05/01/13 02:08 AM
05/01/13 02:08 AM
Joined: Aug 2006
Posts: 8,064
Iowa
76dodgeboy Offline
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You check fuses?

Re: brake light switch [Re: 76dodgeboy] #1428404
05/01/13 02:17 AM
05/01/13 02:17 AM
Joined: Apr 2007
Posts: 3,235
Marion Illinois
72d100 Offline OP
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not yet. it was getting dark so i called it quits. im not having luck with electrical lately

Re: brake light switch [Re: 72d100] #1428405
05/01/13 02:22 AM
05/01/13 02:22 AM
Joined: Apr 2007
Posts: 3,235
Marion Illinois
72d100 Offline OP
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duh i did check the fuse for stop/ hazard and it was blown. changed it and still nothing

Re: brake light switch [Re: 72d100] #1428406
05/01/13 03:39 AM
05/01/13 03:39 AM
Joined: Jan 2010
Posts: 1,944
woodcrest, CA
magnum440d100 Offline
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woodcrest, CA
Ill check my 72 in the morning.

Sometimes when my brake lights didnt work, I wriggled the turn signal, got it back to center, and they work. Push the lever a tad up or down, and they stopped working.

I replaced the cam with one that had uncut wiring and its been working fine. It cancels back to true center. I also noticed my hazards would work but wouldn't show the left side working on the gauges. Wriggle the black square, and it works haha

I won't be able to check the truck until about 10 or so tomorrow. I'll post when I check

Re: brake light switch [Re: magnum440d100] #1428407
05/01/13 12:48 PM
05/01/13 12:48 PM
Joined: Apr 2007
Posts: 3,235
Marion Illinois
72d100 Offline OP
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Quote:

Ill check my 72 in the morning.

Sometimes when my brake lights didnt work, I wriggled the turn signal, got it back to center, and they work. Push the lever a tad up or down, and they stopped working.

I replaced the cam with one that had uncut wiring and its been working fine. It cancels back to true center. I also noticed my hazards would work but wouldn't show the left side working on the gauges. Wriggle the black square, and it works haha

I won't be able to check the truck until about 10 or so tomorrow. I'll post when I check


no hurry. i gotta figure out why the truck has no power

Re: brake light switch [Re: 72d100] #1428408
05/01/13 12:54 PM
05/01/13 12:54 PM
Joined: Jan 2003
Posts: 32,882
Grand Prairie,Texas
stumpy Offline
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stumpy  Offline
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Grand Prairie,Texas
Check the fusible link under the hood. It feeds all the power.

Re: brake light switch [Re: stumpy] #1428409
05/01/13 01:14 PM
05/01/13 01:14 PM
Joined: Apr 2007
Posts: 3,235
Marion Illinois
72d100 Offline OP
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Quote:

Check the fusible link under the hood. It feeds all the power.


will do. im off to work on it now. updates soon . trucks really tempting me to just put in a hotrod harness

Re: brake light switch [Re: 72d100] #1428410
05/01/13 01:28 PM
05/01/13 01:28 PM
Joined: Apr 2007
Posts: 3,235
Marion Illinois
72d100 Offline OP
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okay whatever the no power issue was was with the bulkhead connector. no the next question is what is this mystery wire thats bundled with the white brake switch wire

7690106-mysterywire.jpg (26 downloads)
Re: brake light switch [Re: 72d100] #1428411
05/01/13 02:50 PM
05/01/13 02:50 PM
Joined: Jan 2003
Posts: 32,882
Grand Prairie,Texas
stumpy Offline
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Grand Prairie,Texas
You should have two wires on the switch. Power in and the other to the turn signal swtch.

Re: brake light switch [Re: stumpy] #1428412
05/01/13 03:04 PM
05/01/13 03:04 PM
Joined: Apr 2007
Posts: 3,235
Marion Illinois
72d100 Offline OP
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the red wire went to the brake light switch but i just put a new bbrake light switch on and the driver brake light stays on now. maybe switch the wires on the switch around?...... nevermind i forgot the switch is always hot unless its pressed

Last edited by 72d100; 05/01/13 03:21 PM.
Re: brake light switch [Re: 72d100] #1428413
05/01/13 03:47 PM
05/01/13 03:47 PM
Joined: Jan 2003
Posts: 32,882
Grand Prairie,Texas
stumpy Offline
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Adjust the switch. You should have power in but not out until you push the pedal.

Re: brake light switch [Re: stumpy] #1428414
05/01/13 04:05 PM
05/01/13 04:05 PM
Joined: Apr 2007
Posts: 3,235
Marion Illinois
72d100 Offline OP
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thank you very much stumpy i do believe i have it now

Re: brake light switch [Re: 72d100] #1428415
05/01/13 06:00 PM
05/01/13 06:00 PM
Joined: Jan 2010
Posts: 1,944
woodcrest, CA
magnum440d100 Offline
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Posts: 1,944
woodcrest, CA
Sorry bout the late response. Looks like you got it though.

Re: brake light switch [Re: 72d100] #1428416
05/01/13 07:30 PM
05/01/13 07:30 PM
Joined: Jan 2003
Posts: 18,389
UPPER MICHIGAN, MARQUETTE COUN...
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NITROUSN Offline
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Posts: 18,389
UPPER MICHIGAN, MARQUETTE COUN...
Looks like the terminal of the brake switch is broken off in the pink wire terminal end.

Re: brake light switch [Re: NITROUSN] #1428417
05/01/13 08:29 PM
05/01/13 08:29 PM
Joined: Apr 2007
Posts: 3,235
Marion Illinois
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Quote:

Looks like the terminal of the brake switch is broken off in the pink wire terminal end.


it was, my peanut sized brain didnt put two and two together







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