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G3GM 1973 to 1977 A-bodys. Chevelles, Monte Carlos, El Caminos, Laguna, 442, Cutlass, Malibu, GTO, LeMans, Century, Regal, Grand Am, Grand Prix, Sprint, Gran Sport, Can Am, Hurst-olds, and other 73-77 A-bodies


Factory Tach Wiring?

G3GM :: G3 Tech :: Electrical

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Factory Tach Wiring? Empty Factory Tach Wiring?

Post by itis34 Tue Apr 26, 2011 8:02 am

I am helping my brother with his 74 Laguna getting it back on the road. He is putting in a ZZ4 crate engine in it, which has the HEI in it. He has it narrowed down to a couple of wires that could be the tach lead but we're not real sure. I checked the stickyed wiring diagram post and it looks like the wire we want would be white with a black stripe, but neither my brother or I remember seeing a white/black wire in the harness. Does anyone have insight on this?

itis34
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