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  #1 (permalink)  
Old 06-05-2004, 06:52 AM
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Cobra Make, Engine: Shell Valley, Southern Automotive 351C, Toploader
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Default SV Wiring Issue

I have wired the car and have a peculiar problem. The passenger rear tail light works under certain conditions. It works when you use the turn signal but not when you brake or use the hazzards. Anyone have any ideas?
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  #2 (permalink)  
Old 06-05-2004, 03:59 PM
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have you tried changing the bulb? there are two filaments in there. one may be burned out. pull it out and check (visually).
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  #3 (permalink)  
Old 06-06-2004, 06:20 AM
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Check your ground wire to that light.
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  #4 (permalink)  
Old 06-13-2004, 06:11 AM
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Cobra Make, Engine: Just ordered Shell Valley chassis, 521 Ford w/Jerico 4 spd.complete Strange Eng. ford 9"w 4.56 locker and a 3.31 True Trac.Strange Eng. Coilovers w/Hypercoil springs,Wildwood SRP 4- piston disc brakes
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After you have done the first two replys, and that is not the fix get a test light and test the brake switch and hazard switch at their outputs and that there is power. The bulbs are one of two types either (A) dual filament (Brake-Turn and Hazard-Driving) if you notice all these functions share that socket or sockets,or (B)single filament (one pair of functions or the other) meaning two sockets one for brakes/turn and one for driving/hazard.Normally if it doesn't light at all it could be bad bulb or bad or no ground or no signal.If both tailights have same problem then I would go to the source of each circuit after checking bulbs and grounds(unlikely being they don't share bulbs and grounds on pass/driver sides but I have seen stranger things)Check to make sure your flasher actually is good(New doesn't mean good)Luckily your wiring harness is color coded so it will be easy to track down your circuits the under the dash part is going to be tough.Oh yeh you will need a capture style test light(about $20) it has a hook on the end to hold the wire while the test pin punctures outer insulation.
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Old 06-13-2004, 06:18 AM
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Disregard my last reply, the problem should be at that tailight only, either the first two replys or the connection.
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  #6 (permalink)  
Old 06-16-2004, 01:03 PM
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I had a similar problem with my tail lights. It turned out that I had reversed the brown and black wires to one of the tail lights. Working in a dark trunk without a light probably didn't help.

Dave
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