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View Full Version : HKS Fan controller HELP


Turb0wned
08-09-2013, 10:34 AM
I bought an HKS Fan controller yesterday. No matter what I try, my fans won't come on. The unit it self turns on and displays my temp. Here is the way I have it hooked up and the settings.

I have a 30 amp relay (tried a brand new one and a bosch that I have laying around).

Pin 85 is going to the Green wire on the HKS controller (green= main fan output)
Pin 86 is going to the ignition.
Pin 87 is going to the power wire for the fans
Pin 30 is going to the battery

I tried running the fan ground straight to the blue wire on the HKS (Main fan ground) and I also tried grounding them separate.

On the unit, I have setting SE 2 (which should be for Nissan) and F1 which is HKS controls the fans.

By the way this is in an S14 with an RB25DET swap.

Turb0wned
08-09-2013, 03:55 PM
Nevermind, figured it out. Ground wire on the HKS had to go with the ground on the fan then ground them but together on the chassis.