I don't know!
CBlock91586
10-12-2006, 02:30 PM
OK... 1993 GMC s15 Jimmy, replaced heater blower motor, heater relay switch, Will run on low fine, will only kick onto high if you tap the relay, what the hell is going on someone if you know help me out b/c no one in the state of OHIO knows how to do this...
NHRA
10-12-2006, 07:38 PM
sounds like the ac relay switch,blower relay,ac clutch relay<<<<<<<<all the same thing......lol
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