All 1990 GMC S15 questions

does this damn thing have a fuse relay were is it

fuel delivery is fine to this point

truck stalls when sitting a red light. have to pump the gas patal to get gas are to get the truc...

will not start after it rains until it dries out

How do I change heater core ?

no code, want run ,starts and dies

I have a 1984 GMC S15 HIGHSIERRA 4x4 with extended cab. The Hydrolic clutch pedal has no freeplay...

how do I change rearend oil

I have a 1988 GMC S15 in my shop and it will flood without cranking, only goes 30 mph, fouls spar...