milo

iTrader: (2)

I just recently got my Evo 9 running with the AEM EMS and was wondering if I need to reinstall the stock fan module from the AEM to controll my Slim electric fan. I currently have it hooked up to the big blue wire and big black wire, but the fan is continously on.

Any help with be appreciated, thanks

LuvmyMR

iTrader: (5)

Thats what I did and it works fine!

KOM88

i was also wondering about this i dont know if the viii's are different but i could have sworn there were four wires all the same size

SwiftEVO

iTrader: (32)

Cut the stock fan connector and wire it into the new fan. just match the colors up. Then just plug it into your fan controller and bam there you go.

--Josh

2JZfan

iTrader: (5)

In AEMPro, go to Setup->Advanced Setup->User Defined PW Output->"T" User Defined Pulse Width Output.

It wasn't obvious at first, but that is how the AEM is actually controlling the radiator fan. (The condenser fan in run from LS5 in a more standard way).

Anway, the fan control module is getting sent a PWM signal from this output (mapped to LS9 and keyed off of coolant sensor voltage). You can adjust the on/off point in this map. Pull up the coolant sensor cal table if you want to know what voltages corresponds to what temp.