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Parallel fam mod FAIL

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Old May 7, 2010 | 12:38 PM
  #1  
reppin651's Avatar
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Default Parallel fam mod FAIL

I ran the hot wire from the fan to the a/c fan. However being in a rush i just taped into the hot wire of the a/c fan and left it connected to the car harness. So my problem now is the fan runs constantly and does not turn off even when the keys are out. Did I short something and what do I do to fix it.
Old May 7, 2010 | 12:40 PM
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The fan circuit is a switched ground with constant power. Google the "hakuna" fan mod. I think it is on the m.net garage as well.

Last edited by Jeff_Ciesielski; May 7, 2010 at 02:53 PM.
Old May 7, 2010 | 02:50 PM
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Umm....
https://www.miataturbo.net/useful-saved-posts-8/parallel-fan-wiring-instructions-1316/
Old May 7, 2010 | 02:58 PM
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With 'fail' being in all caps I was expecting burnt up engine bay pics...
Old May 7, 2010 | 03:16 PM
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I ran a wire from one relay to another, so they both turn on. Very simple, very cheap, worked for....5 years till I got an MS and redid it. You just need like 10 feet of very fine wire (I used one strand from leftover ethernet)
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