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Dual Slim Fan Wiring

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zwickyj

15+ Year Contributor
205
1
Dec 11, 2003
Oshkosh, Wisconsin
I've been searching for ways to wire two spal slim fans to the stock wiring and come up with many different suggestions, what would be the best way? This would be on a 98 eclipse n/t. Also would I be better off wiring both together to come on when the car is on and will that work if I have a/c?
 
I've been searching for ways to wire two spal slim fans to the stock wiring and come up with many different suggestions, what would be the best way? This would be on a 98 eclipse n/t. Also would I be better off wiring both together to come on when the car is on and will that work if I have a/c?

Use the OEM harness.
 
Use the OEM harness.

It's not that cut and dry... the factory harness has provisions for high and low fan speeds, whereas the aftermarket fans are only one speed. There should be four wires on each harness, however two wires on the condenser fan don't do anything (the condenser fan only has one speed).

I recommend you connect the positive wire on the main fan to both high and low speed wires (they should both be blue) on the stock harness, then combine the grounds (they should both be black) and connect to the ground wire on the fan. Just connect the condenser fan to the two wires that are actually connected to something in the stock harness (I'll have to look up which two wires those are).
 
Anyone know about wiring the fans to come on together while still having a/c?
 
I've got pictures of my pusher install, I just never bothered to do a writeup. I think I'll make one tomorrow...
 
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