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No fan blower...no ideas?

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rwillis757
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Vehicle: '75 K-5 BLAZER 4X4
Joined: Mar 2007
Member # 2435
From: St. Pete Fl

Posted - March 18 2007 : 10:55a

HELP, I have a '75 K-5 BLAZER 4X4. It has A/C. The heat/defrost/AC blower just stopped working. I checked the fuse, I hot wired the blower...works fine... I replaced the blower relay, no help. WHAT NOW? I also, need to replace the heat cables, the temp lever is so stiff it takes a hammer to change temp. BUT, I find cables for 67-72 trucks but none for a '75?????

any help out there?
Rob Willis
rwillis757@yahoo.com

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Vehicle: 97 Ford Expedition lifted
Joined: Sep 2006
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From: Norfolk VA
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Posted - March 19 2007 : 9:30a

Sounds like your blower motor resistor block is fried and it is causing you not to get power to the blower motor. IT is possible that you have a proble with the control panel though too. If you can send me a pic of the blower motor circuit, I can give you a list of points to check and we can get you back on the road.

Chris "THermo" Coleman and Nukie ,the radioactive 97 X

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