618 os, L31 5.7L, 4L80E, 4x4 and Van system segment. The fuel volume and resistance settings and gauge output are the main things to look at. You may...
I suppose Justin Graham is the one of the member of this site but i can not remember his nickname has an solution called "LT-Flash" which has ability...
603 was used in the Express van. If it is a DBC P59 with the added analog inputs and outputs necessary 603 will run the fuel level gauge accurately....