kclark, are you sure the brake lights go through the turn signal switch, on my three wire switch it's one input from the blinker relay and one output to each side for the signals, I have no other info other than what I have learned from my truck. Brake lights were totally separate due to the turn signal being an option.
1957 Chevrolet 5700 LCF 283 SM420 2 speed rear, 1955 IH 300U T/A, 1978 Corvette 350 auto, 1978 Yamaha DT175, 1999 Harley Davidson Softail Fat Boy
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