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I'll assume this is a big blk harness,(440/6?), if so the lead, bright blue coming off one of the alternator leads is for the carb solenoid,



Sort of , but that one is not long enough to go to the other side of the intake. did a 70 big block have an idle solenoid on a 4bbl ?

Pat , looks like a bullet connector , ohm it out , see if it goes to the regulator or one of the fields , it could be for the idle solenoid.

Last edited by JohnRR; 03/24/11 01:48 AM.