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Discussion Starter · #1 ·
Hey, i have a 77 exciter 440 stx and i have just got new coils....the wire coming out of the motor(black not orange)is that a ground?..if so can i ground both the coils and motor seperatly to a body ground.....the coils i took off this black wire was attached to the metal cover of the coils?...any ideas on what i could do?
 

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on yamaha sleds, all black wires are grounds. in your case, the orange is the power for the coils and should come from the cdi. sometimes the coils wire in series and the power will go to one of the black wires on the second coil, through the coil and back into the main loop. if i understand your question correctly, i dont think you want to individually ground each of the coils unless the sleds wired that way.
 
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