brake lights will not work - JeepForum.com
 
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post #1 of 13 Old 01-06-2012, 02:47 PM Thread Starter
silentdebo
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brake lights will not work

I have a 1993 jeep cherokee and the brake lights stopped working on me when I was on a trip from CA to AZ. The running lights still work, just not the brake lights. I have checked fuses, light bulbs and even hooked up my uncles circuit tester to see what was going on and we were getting no signal on brake lights but getting a positive on the running. I have no idea what the issue is and co-worker recommended I check here before I take it into a shop. Nothing worse then paying $200 for something could have cost $20.

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post #2 of 13 Old 01-06-2012, 03:25 PM
mj40
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check the firewall block to the fuse box..green death got to this 92....your signals and brakes are supplied by one wire as well the 4way/hazards...park is fed from another supply..

to fix my buddys 92 i just drilled out the contact pins and fed a new wire through the hole, you could silicone it to seal...spliced it into the original wires..
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post #3 of 13 Old 01-07-2012, 02:28 PM Thread Starter
silentdebo
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thanks a ton man that helped me out so much.
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post #4 of 13 Old 02-11-2013, 04:55 PM
zjroughrider
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i am having the same issue and will check this out.
thanks man ill post my findings
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post #5 of 13 Old 02-12-2013, 04:25 PM
JWELK
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If your turn signals and brake lights are the same bulb (American Style), the brake lights go through the hazard switch. Try activating it a couple of times, that usually solves the issue.

Regards,

Jim W
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post #6 of 13 Old 02-12-2013, 04:59 PM
MJR
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Ah brake switch above your feet maybe? Jumper power from the 16PK/BK (fused +12V) to the 18WT/TN (brake light bulbs) and see if they work.

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post #7 of 13 Old 02-15-2013, 10:37 AM
zjroughrider
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Still trying to figure this out. Brake light switch has no power. No power at rear lights as well. I have power at the fuses. The hazards also don't work and the turns stoped working. I wonder if my problem lies in the turn signal switch
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post #8 of 13 Old 02-15-2013, 10:38 AM
zjroughrider
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Also noticed that the powers seats don't work and neither does the horn.
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post #9 of 13 Old 02-15-2013, 11:23 AM
MJR
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Well on a Cherokee the brake lights don't go through the turn switch. I'm thinking the bulkhead connector/fuse box as suggested by mj40 above is most likely where your problem is. I've seen water get in it and corrode away the terminals.

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post #10 of 13 Old 02-15-2013, 02:35 PM
zjroughrider
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I removed the power relay centre and everything looked good and had power. I'm trying to trace wires from the in car fuse panel. The brake light fuse has no power.
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post #11 of 13 Old 02-15-2013, 03:18 PM
zjroughrider
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fuses # 1,2,3,4,5,6,7,14,23,24 and 28 dont have power. This is really staring to stump me.
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post #12 of 13 Old 02-15-2013, 03:18 PM
zjroughrider
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sorry 5 has power
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post #13 of 13 Old 02-15-2013, 04:16 PM
MJR
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The bulkhead connector is right behind the under dash fuse box. Two screws hold it to the firewall and one bolt holds the underhood part to the under dash part.

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