Hello trying to get the electric speedometer working, TBI is out of a 1993 Caprice wagon 5.7 All parts are out of the Caprice donor, Can anyone tell me which wire on the buffer module is 4k.This would be the output to the speedometer..? Correct....color and wire location seem to be different on different models...it could be green wire or it could be ( C ) location on the module....Any help would be appreciated....Thanks Ed.
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