1995 GMC Sonoma work or not too work

1995 GMC SONOMA
200,000 MILES • 6 CYL • 4WD • MANUAL
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PANEL
  • MEMBER
  • 1 POST
Hey guys. depending on it's mood the heater will work today but might not work the next, what gives. there is no AC on this vehicle. Also can i put throttle body spacer on a truck w/ this many miles.P.S. great shape
Mar 28, 2009 at 11:45 PM
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MERLIN2021
  • ✓Experienced Mechanic
  • 17,250 POSTS
What doesnt work? Blower? No heat? If blower is it load or squealing? Can be the motor,, resistor, or switch, or even poor connections.
Mar 29, 2009 at 1:18 AM
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ILOVETHE800
  • MEMBER
  • 10 POSTS
if your talking about the blower motor the first thing i would do is check the ground on the blower motor. With 200,000 miles your bound to have occassional electrical problems. i doubt it is the resistor because if it were the resistor the times that it is not working the high speed setting would still work.
Mar 31, 2009 at 9:53 AM
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