I just wanted to post this as a tip for anyone who might encounter this problem as a good first thing to check.
When the blower stopped working in my 85, it didn't take me too long to figure out i had screwed up a ground as i had just finished swapping the 350 into it.
When the blower stopped working on my 92 over the weekend i was pissed and stumped. First i dove back into the console as i thought i had knocked the wiring off the controls pulling my radio in and out 5x last week due to a seperate problem. No dice, everything looks good. Next i get under the hood and check the wires at the fan motor, no juice. Next i check the wires into the resistor. Juice, aha, bad resistors. Then it occurs to me, i didn't check the ground at the fan motor, just voltage between the terminals of the connector. Bingo, no ground.

I have no idea how the ground got messed up on this one, but it is. If it can happen to me twice, it could happen to anyone. The easy solution is to run a ground from the fender to the fan motor mounting screw as it grounds through there as well.

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Ed Maher - Moderator @ The TPI & Carb Boards
92 Z28 Convertible - Quasar blue / Tan top
305 TPI A4 2.73 - 14.8 @ 93.1
Stock except ported plenum and dual cats
-=ICON Motorsports=-

- Definitely prototypes, high powered mutants of some kind. Too weird to live, too cool to die

 

Whats a heater blower?