I'm swaping a 1998 Vortec 454 and 4L80-E into my 1989 Silverado. I am useing the stock 89 transfer case and am wondering if the PCM really needs a 4X4 engaged signal.
I'm swaping a 1998 Vortec 454 and 4L80-E into my 1989 Silverado. I am useing the stock 89 transfer case and am wondering if the PCM really needs a 4X4 engaged signal.
Pete
2002 Chevrolet Silverado
2002 Pontiac Trans Am WS.6
2004 Dodge Ram CCSB Cummins Turbo Diesel
1989 Chevrolet Silverado RCSB - Work Truck, Vortec 454 swap in progress :rocking:
1972 Toyota FJ-40
1963 Chevrolet Corvette Prostreet
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