Heat doesn't work! Doesn't respond to any switch or part I replace!

Tiny
CLETUSJONES
  • MEMBER
  • 1994 TOYOTA TERCEL
  • 202,000 MILES
Hey guys, I have an old 94 Toyota Tercel 4 dr, not sure the engine size, it does have an ac belt & button so I assume it has ac. I can't get my fan to blow air, hot or cold. I went to a junkyard to look for a new fan and it turned out they could test my old one and it kicked right on, worked beautifully. So asking around I next tried to replace the Blower Motor Ballast Resistor, which I found screwed into some piece not far from where the blower motor sat. This did nothing, so I'm at a loss at what to do next, when I drive relatively fast I can feel the air changing from hot to cold as I move the temperature switch, however the fan speed switch does nothing. Actually when I switch it over (the speed switch) a click comes from what appears to be the few fuses that sit right next to the blower motor. I checked the 10amp fuse there it appears fine, not sure what the bigger one is called maybe I'll replace that today, but then there's this other transparent thing that doesn't seem like it comes out but I didn't want to pull it too much for fear of breaking something. I'm worried to just rip my ddash apart and start looking around, then I stumbled here from google looking for ideas. THanks for reading.

Jason
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Monday, October 15th, 2012 AT 3:47 PM

3 Replies

Tiny
SATURNTECH9
  • EXPERT
Do you have a multi meter to do some testing?
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Monday, October 15th, 2012 AT 4:40 PM
Tiny
CLETUSJONES
  • MEMBER
Hey ! Yes I do, originally that's why I thought the blower motor was bad, because everything hooked up to it seemed to have power.
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Tuesday, October 16th, 2012 AT 8:00 PM
Tiny
SATURNTECH9
  • EXPERT
At the blower motor connector put the fan on high then check the power wire to see what the voltage is?If you have battery voltage then Check to see if you have battery voltage across the two terminals?
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Tuesday, October 16th, 2012 AT 9:01 PM

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