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kglowacky · 09-04-2020, 07:43 PM

looks like 1973-1978 are self grounding and in 1979 GM went to reverse polarity. According to LMC's parts catalog. And they sell only the 79 and up. Classic shows neither one.

09-04-2020, 07:43 PM	#13
kglowacky Registered User Join Date: Mar 2020 Location: The Woodlands,Tx Posts: 561	Re: bench test pw motor looks like 1973-1978 are self grounding and in 1979 GM went to reverse polarity. According to LMC's parts catalog. And they sell only the 79 and up. Classic shows neither one.