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I just put my engine back into my 69 roadster, after more than a year and a half of being on jack stands. Hooray!!! I'll tell you all about it in another post soon.
The problem is this. My heater blower motor only runs at about 1/4 power, and it remains on even after I turn the key off. When I turn the radio on the blower motor then goes to full power. Huh? I didn't have this problem before I did the motor R/R, and I didn't touch any wiring other than necessary to remove the engine. PLEASE I NEED YOUR HELP!!!!! :confused:
sounds like a ground problem. my daughters Gran Prix does something similar....if the fuse blows for the lighter the radio gets a back feed through the dome light until the door gets opened.