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Old 10-27-2022, 07:56 PM   #4
VetteVet
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Join Date: Jan 2005
Location: Kalamazoo, Michigan
Posts: 8,708
Re: 70' Blazer 4WD (Wire ID)

Yes the transmission controlled spark wiring harness, I forgot about the 70 and 71s. Also the carb idle solenoid has a red wire going to it to hold the idle up if the AC is on.
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