Hvac problems

2000 GMC JIMMY
175,000 MILES • 6.0L • 4 CYL • 4WD • AUTOMATIC
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CASEY198377
  • MEMBER
  • 1 POST
My AC and heater started going out about a month ago, it would either totally work fine or not at all. I know the blower works and I bought a new control switch as well, but I still cannot get the blower to kick on. Can you help me?
Nov 22, 2016 at 3:01 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check fuse and relay under hood fuse box that may be problem. then check harness leading from switch to resistor to see if it is melted together. there is a kit that GM sells along with a new resistor for about $125.00 at gmpartsdirect.com.
Nov 22, 2016 at 5:22 AM
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