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Discussion Starter #1
Hey guys was wondering if it is as simple as connecting the A12 (Fan Coolant Switch) on the ECU output to ground the radiator fan connection? And then setting the temperature control in Neptune.
 

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Nope, it's even more simple. Hook the fan up as factory, then check the box and set the temp that you want. It's that simple.
 

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Discussion Starter #3
Nope, it's even more simple. Hook the fan up as factory, then check the box and set the temp that you want. It's that simple.
Is this assuming my car was originally OBD1 which it wasn't ('90 CRX OBD0) and I'm using a conversion harness.. My presumption is the A12 wire is running no where currently..
 

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If you have everything converted right, it should still work, but don't quote me on that. Go over to hrtuning.com and ask in the support forum. You will get an answer today
 
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