NO 12V POWER AT HEATER BLOWER CONTROL SWITCH

  • Tiny
  • Anonymous
  • 1999 Jeep Wrangler
  • 77,800 miles

No 12v power at heater blower control switch. Replaced fuse, heater relay, blower control switch, and resistor. No obvious wiring damage. Blower motor works because I took it out and ran it for a second with direct battery power. I dont understand why there is no 12v at blower control switch. Jeep is not air conditioned. Can I get any help here

Saturday, December 8th, 2012 AT 3:46 AM

1 Reply

  • Tiny
  • homer1967
  • Expert
  • 902 posts

There are two blower motor fuses on your vehicle, one is fuse # 5 in the power distribution box and the other is fuse # 25 in the junction box. Did you check them both?

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Saturday, December 8th, 2012 AT 4:19 AM

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