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Unread 05-05-2013, 10:10 PM   #1
cjhank
Registered User
1976 CJ7 
 
Join Date: May 2013
Location: Baker City, OR
Posts: 3
CJ7 brake light issues

I recently purchased my first CJ and bought it with the lights not working. Well I have got the head lights tail lights and blinkers working. I can't figure out why my brake lights aren't working my test light shows the power from the brake switch going into the harness and into the column but I get nothing coming out. I am assuming the wire goes into the column and works through the blinkers wires. Any advice will be greatly appreciated.

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Unread 05-05-2013, 10:24 PM   #2
sanctified
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2013 JK Wrangler 
 
Join Date: Mar 2013
Location: WVC, UT
Posts: 447
There is a sensor that the brake pedal hits when not in use. When you push in the pedal the button on the sensor is released and the lights turn on. The sensor is jammed way up in the dash above the steering column. I have best luck accessing it from the key side of the column. Hopefully this is what you are asking about. The replacement part is less than $10 if that is the issue. I have replaced mine as well but am not having problems with the brake lights staying on. My brake doesn't return all the way when I take my foot off the brake. I have had to just the 7 twice in the last week because I didn't check to ensure the lights turned off.

Good Luck.

This is what I replaced mine with.
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Unread 05-06-2013, 12:43 AM   #3
cjhank
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1976 CJ7 
 
Join Date: May 2013
Location: Baker City, OR
Posts: 3
I found that and my switch is functioning properly. I tested it and it has power going in and out on the other wire when the pedal is depressed. Then I lose what happens from there the wire off the switch goes up the column.
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Unread 05-06-2013, 01:17 AM   #4
TIPPEDITOVER
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1978 CJ5 
 
Join Date: Jun 2011
Location: Puyallup, WA
Posts: 536
You are right about the brake light circuit going through the turn signal switch, it does.

When I installed a new turn signal switch, tightening its fasteners too tight tweaked the body of the switch to the point the contacts didn't touch. No brake lights. I backed off the fasteners just to the point where everything started working and it's been a couple years now, no problems since. Maybe that's what's wrong with yours.

Since your turn signals work then you already proved rest of the brake light wiring is good including grounds. Time to pull the steering wheel.
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