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Any update on performance with the Volvo controller? Requires two outputs from ECU to run hi/lo?
Haven't messed with it yet, still on my bench.


It's 3 wires in. Power, ground, and a single wire back to the ECU for control using PWM.

2 wires out to the fan. I'm using a V6 Sn95 fan, which is Hi only.


Only thing really keeping me from testing it is that I'd need to pull a battery out from one of my vehicles to bench test
 

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Haven't messed with it yet, still on my bench.


It's 3 wires in. Power, ground, and a single wire back to the ECU for control using PWM.

2 wires out to the fan. I'm using a V6 Sn95 fan, which is Hi only.


Only thing really keeping me from testing it is that I'd need to pull a battery out from one of my vehicles to bench test
ought to buy a 1000+ watt server power supply for bench testing electronics. This is what I use and works pretty darn well.
 

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i know. It would make things very easy. I need to search for one to buy
 

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Hi....It's what I used before the PWM fan controller. 1st one was Variflow, then the DCC. Same inventor, different design & company. I still have the relays & one of the same model without the clamping diode across the relay's coil.

pcba prototype
 

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Any update on performance with the Volvo controller? Requires two outputs from ECU to run hi/lo?
None yet. In the midst of my project as we speak. Engine being rebuilt, chassis next, and hopefully wiring up the MS3x and fan controller this summer.
 

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How is the PIMPx accomplishing the fan control?

I just got an MS3 Gold and am trying to figure out what I need to do to get the fans to work.

I pulled this from DIYAUTOTUNE:

"If you have an MS2, you can use the two stepper IAC outputs to drive the relays – just wire the two IAC1 wires across the coil of the low speed fan relay, and the IAC2 wires across the coil of the high speed fan relay."

I assume that this would work on the MS3?
 
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