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I just finished with similar problems on my 82....motor wouldn't come to life. That connector that you're holding should have a corresponding male/female connector that's coming off the blower. If not, it may have been changed over the years.....you can make your own if necessary. Direct wire the motor to a 12V power source from a battery. If the motor comes on, you don't need a motor. There a small "tangs" that supply ground on the underside of your heater levers. Check that they're not full of lint, dirt, etc. that would inhibit the ground. Also check the fuse panel on the left side of the engine compartment. You have a blower motor relay. Change it out for a black one in the trunk and see if it makes a difference. There are also two fuses on that panel for the hear. One is the blower motor relay fuse and the other is the blower motor fuse. My blower motor came on with direct wiring, the connection was good, and I had ground at the levers, but it still wouldn't come on with the levers. The electrical supply (what you're holding in your hand) would turn on a test light when I pulled the levers up, but it wouldn't power up a 12V air compressor, in other words, it wouldn't take a load. The trouble was within the multi-point pin connector that runs into the fuse panel. If all else fails, pull the connector out and take the inside cover off of the connector panel that you're holding in your hand. That yellow wire on the heater blower runs into the pin connection. The end of that wire is soldered into a male bushing that ends up connecting to a female receptacle that is part the plug that remained on the fuse power panel when you pulled it off. Sometimes those connections get "tired" and require cleaning, re-soldering, etc. My particular problem was not with the yellow wire, but the red wire that runs in that same pin connector. The red wire is what supplies power to that entire panel....it was the same issue, just a tired connector. Took me forever to find it (with help from this board and John Walker), but it was a free fix. Good luck.
Steve
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'82 911 SC
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