rich_e777 Posted April 30 Report Share Posted April 30 1994 Olds Cutlass 3100. Viewing the data from an Actron(I know I know its not a Tech 1, just a code reader and data viewer/recorder) tool it lists Quad Drivers 1-4 and its showing 1 and 4 are bad but 2 and 3 are ok. Ive been in the big manual for an hour and cannot really figure out what they do and I have no cooling fans and A/C clutch isnt coming on. Trying to determine if the issues are related. A search brought me to an old 2007 thread with the only info I could find. Quote Link to comment Share on other sites More sharing options...
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