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I know this is not something that can be diagnosed from a distance, but maybe someone can give me a place to start. I rewired my 67 Camaro with an EZ wiring kit (this is the third car I've done with EZ). I thought I got everything right, but I blow the brake light fuse if the turn signal is on at the same time.

It doesn't blow right away, it takes two or three uses. There is sometimes a small puff of smoke from the turn signal switch when it is switched on while the brake lights are on. Both the brake lights and the turn signals function normally when they are not on at the same time.

I removed the turn signal fuse, and the brake light fuse still blows. (!) I tested the rear wiring (RT green, LT yellow), and neither shows continuity to ground. The headlight switch and the ignition switch are not tightened into the dash. It has a tilt steering column that was supposed to be rebuilt with a new turn signal switch (I don't know if any of this matters, but I hope more information is better).

Any ideas?
 

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I have problems with my turn signals working with brakes on at the same time. Things go screwey. I dont blow any fuses though. Its my signal switch in the column that causes all my grief.. If I wiggle it while the signal is on and stepping on the brake, it sometimes works fine till I stop messing with the signal lever. I have a new ididit column but didnt get around to replacing it yet (winter project). Hope this helps point you in the right direction. Good luck
 

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Hi Rich, i had a similar problem with my 67. I used an american autowire kit and new turn signal switch. Mine would blow the fuse for the brake lights when i used the turn signals sporadically. Finally after a month or so of this happening, i tried tracing all the wires making sure none were exposed etc, then i pulled the steering wheel one day and while i was sitting in the driver seat in the driveway at dusk, i put my foot on the brake and turned on the turn signal and pop i saw a very faint spark where the turn signal switch would actually touch the inside of the steering column. Only happened when i had my foot on the brake and turned on the turn signal. I don't know if the aftermarket turn signal switches are just a hair bigger than the stock ones or if i had just somehow had mine misaligned a little. Maybe you are having the same problem. Hope this helps, Aaron
 
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