Correct, some had the DRAC built into dash and some had an external box. In dash had a chip/resistor you could change that is no longer available. But the external has jumpers that can be changed or a Dip switch installed.
Correct, some had the DRAC built into dash and some had an external box. In dash had a chip/resistor you could change that is no longer available. But the external has jumpers that can be changed or a Dip switch installed.
1990 Chevy Suburban 5.7L Auto ECM 1227747 $42!
1998 Chevy Silverado 5.7L Vortec 0411 Swap to RoadRunner!
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