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Re: 2001 gmc w3500 maf no power (tilt isuzu)
Posted to HD/Fleet Forum on 3/30/2005

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Hi Chris, My GM system shows MAF has hot from ENG1 fuse on PNK wire to pin C. Ground is pin b on BLK/WHT. Signal comes out on pin A, YEL wire to PCM pin 31. There is a splice in power wire. Splice 130... Login to read more.