brake lights went out - JeepForum.com
 
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post #1 of 11 Old 02-14-2012, 06:06 PM Thread Starter
My83andMe
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1983 CJ7 
 
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brake lights went out

Hey everyone, maybe you can help me figure this one out. My brake lights won't light up when I put pressure on the peddle though when I turn on the running lights the bulbs and wiring are good. This is a new one for me and I can't seem to track it down. Thanks guys... if you can help out on this you'll really be saving my rear end.


I thank you and believe me my Jeep definatly thanks you cus otherwise I'd be turning a wrench with out a clue. :)
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post #2 of 11 Old 02-14-2012, 06:17 PM
teh603
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Switch gone bad on you?
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post #3 of 11 Old 02-14-2012, 06:29 PM Thread Starter
My83andMe
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Not exactly sure. I tried to poke my head around the peddle but with the steering, wires, etc. in the way I can't tell. What would it take, once I am able to find it, to get it out and check?

I thank you and believe me my Jeep definatly thanks you cus otherwise I'd be turning a wrench with out a clue. :)
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post #4 of 11 Old 02-14-2012, 06:37 PM
only in a jeep cj
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Running lights are on a different circuit then the tail and turn lights. They use the second filament in the bulb. Do your turn signals work? If so, I would look into the switch as well. Without disconnecting anything, there is a two wire lead with a plastic plug coming off the switch wire about 4 inches from it. Red wires, one solid one with marker. Jump this plug to bypass the switch and test the rest of the wiring, etc. Let us know from there.

Ed
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1986 CJ-7 Laredo 1986 TJ-7 Trail Jeep
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post #5 of 11 Old 02-14-2012, 06:55 PM Thread Starter
My83andMe
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Will do. Unfortunately its looking like I'm going to have to take out my drivers seat. It take some awkward bending and I still can't get a clear look at it. How exactly do I jump the connection once I get to that point?

I thank you and believe me my Jeep definatly thanks you cus otherwise I'd be turning a wrench with out a clue. :)
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post #6 of 11 Old 02-14-2012, 07:49 PM
only in a jeep cj
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Just slide seat all the way back and with right shoulder on the floorboard, look up and follow the brake pedal all the way up to the pivot, the switch will be off to the side a bit. The test plug will be hanging a few inches over. A small scrap wire will make a jumper just to see if the brake lights come on.


Ed
1975 CJ-6 1983 CJ-8
1986 CJ-7 Laredo 1986 TJ-7 Trail Jeep
2003 Inca Gold TJ Rubicon
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post #7 of 11 Old 02-14-2012, 10:32 PM
BagusJeep
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Also check your fuses, you should have a 20 Amp STOP fuse.

It is on the same circuit as the Hazard flasher and clock (if fitted). There are other fuses for the Turn signals and park and tail lamps.
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post #8 of 11 Old 02-14-2012, 10:56 PM
Coiz
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For visual reference, this is where to find the brake light switch on the pedal assembly.

Mike
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1979 CJ7, FI 5.0L Ford, NP435, D300, Full floated D44 Detroit, D30 Detroit EZ Locker.
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post #9 of 11 Old 02-16-2012, 12:40 PM Thread Starter
My83andMe
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Hey all-star I appreciate all the quick replies. I got it apart and tried both jumping it and plugging in a new switch and still no change. Frustration is starting to set in all over again

I thank you and believe me my Jeep definatly thanks you cus otherwise I'd be turning a wrench with out a clue. :)
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post #10 of 11 Old 02-16-2012, 12:52 PM
csabens
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Did you check the fuses? If so and all is well...

Another option for testing (with a test light) is to remove some of the wire loom running down the driver side and locate the hot wire for the brake lights, i think it's red, i can't remember off the top of my head though. Jump the wires again under the dash, and ground your test light and move up and down the wire to see where you go dark. Start up front and move to the back.

Daily Driven: 1985 CJ7 Renegade, 258ci 4.2L (TeamRushed and Nuttered), T176/Dana 300 (in need of an overhaul), Weber 38 DGES, Ion Alloy 174 15x8, MasterCraft Courser MT 33x12.5x15, Front Axle Dana 30 w/ Superwinch Hubs, Rear Axle AMC 20 w/ one piece Alloy USA.
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post #11 of 11 Old 02-16-2012, 12:54 PM Thread Starter
My83andMe
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Alright! Got it. Just had to trace it to a worn wire. Thanks again everyone.

I thank you and believe me my Jeep definatly thanks you cus otherwise I'd be turning a wrench with out a clue. :)
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