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Baffling Brake lights!

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Old Mar 13, 2007 | 11:58 AM
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SMURFN' Z28's Avatar
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From: Lakewood, CO
Car: 1994 Jeep Wrangler
Baffling Brake lights!

Ok, here is the problem. My brake lights don't work! My turn signals and hazards both work perfectly. The recent work I have done includes a computer swap, and lots of wiring work under the hood. I never touched the wiring under the stearing column. I checked the the voltage at the orange wire at the switch and there was 12v.... then I jumped the hot wire with the other blue wire. and checked the wiring at the 3rd brake light... it's hot?! but it is not on? My car didnt originally have the 3rd light btw, so it is spliced into the wire going to the tails. Am I missing somthing? If the wire is hot shouldnt the light be on?!
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Old Mar 13, 2007 | 09:42 PM
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Brads RS's Avatar
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If you got power at the socket then its possible that you have a bad ground. You said that you did some wiring under the hood. Is it possible that the ground wire from the batt to the body is missing/off. Alot of peeps think that you just need the ground to the engine block but most of the time it dosent make a good enough connection to the chassis.
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Old Mar 14, 2007 | 07:44 AM
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SMURFN' Z28's Avatar
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From: Lakewood, CO
Car: 1994 Jeep Wrangler
I figured it out.... the connection where I tapped in the 3rd brake light had degraded..... stupid solid core wire Anyways.... I soldered the connection and heat shrink wraped it. Works fine now... thanks for the help!
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