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You are watching: Jeep grand cherokee brake lights not working


I"ve tried search and can"t it seems to be ~ to discover anything for "no brake lights".So here it is. A great Samaritan today educated me I have actually no brake lights. I pull end to examine bulbs and fuse and also they every looked good. Quit at breakthrough Auto and also talked to the respond to guy, we carry out a few checks: bulbs, fuse and we determine that it"s more than likely the brake irradiate switch at the pedal. So, ns lay under my cash and run house with my new part, Googled how to change it and also go below to pop it in, every goes relatively well, even after wrestling through the wiring exploit (the hardest part) and brake lamp still don"t work.Anybody have this kind of difficulty before? Is over there something else I have to be checking?MJ
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you should have power (12+ volts) in ~ the brake light switch. If girlfriend do, then the fuse is good. I found this video, possibly it will help:
1996 Cherokee classic. 100k Miles, I6 HO, AW4, Np242, D30/C8.25 4.5" RE lift typical links: spending plan MODS List and also All You ever Wanted come Know about an XJ
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Thanks for the response. I m sorry terminals would certainly I examine on the harness for power? I checked the fuse and lights through a multi meter individually and they all confirm out. I"ll examine out one more switch to see if I got a bad one.
I know somebody who had one brake light not functioning on his WJ. Knowing I was into Jeeps., XJ"s though, he asked me. Ns told the what everyone says once it comes to XJ"s and electrical problems. Check your grounds. I don"t understand what the did but he thanked me reason apparently it to be a floor issue and he fixed it.
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Thanks for the response. I m sorry terminals would certainly I inspect on the harness because that power? I checked the fuse and lights v a multi meter individually and they all confirm out. I"ll inspect out another switch to watch if I obtained a negative one.
I know somebody who had one brake irradiate not working on his WJ. Discovering I was right into Jeeps., XJ"s though, he asked me. Ns told him what anyone says as soon as it involves XJ"s and electrical problems. Check your grounds. I don"t recognize what he did however he thanked me reason apparently it was a floor issue and he addressed it.

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Like Ralph said, inspect you grounds. They room a significant problem on this Jeeps. If your revolve signals and also reverse lights work, that would rule out the ground because they will certainly all re-superstructure the exact same ground. I use a strength Probe Circuit Tester for testing circuits. It provides battery power and can feeling power (12+) or ground (12-). And additionally can send 12+ or 12- to a circuit. Go a lot an ext but the is for one more thread.Basically, if girlfriend look at the video, almost everywhere he point out to and mentions corrosion and cleaning the contacts on the socket, girlfriend could check for power. 1 pin will certainly be a ground, the various other will be power. The wiring connector will have actually a white wire v a tan stripe (chaser). That is the power for the brake lights. If you have 12+ at this wire, climate your difficulty is in the sockets/connectors.
1996 Cherokee classic. 100k Miles, I6 HO, AW4, Np242, D30/C8.25 4.5" RE lift typical links: budget MODS List and also All You ever Wanted to Know about an XJ