Re: Which wires should I keep?
your tach wire will feed from ecm...I used the wire going to hei for my "switch on" wire [needed by ecm]...same wires for starter on sb will work on LS...temp sensor can still be used on passenger head, the ecm will use temp sensor on driver side head....the ecm wire harness will have its own alternator plug..but the "big" wire still needs hooked up,i connected that to the junction box on the firewall.......
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