Need wiring help on K1 z50!

darrel gunderson

Active Member
I just finished assmebling my 1970 z50 and noticed with my key shut off that if I close either front or back brake lever the brake light will come on. But with the key switch on either run or run with light, it wont light the brake light. Also kicking it over I dont have any spark? I bought an aftermarket coil, one of those $20.00 ones and instead of just one black wire it has a second one I think it is blue? Did not see any place in the aftermarket harness to plug it in. Is it just extra for other models to use? Its got me puzzled? Any help please? Could it be a bad ground possibly?:102:
 
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