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Old 08-24-2020, 01:14 PM
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andrewb70 andrewb70 is offline
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Quote:
Originally Posted by dontlifttoshift View Post
GMPP harnesses only.

I have tried separating them and have been unsuccessful at getting two separate fan controls. You can operate two separate relays, with two separate fans but they will turn on and off at the same time.

......and once they come on, will not shut off until a set speed is reached, regardless of temperature.
This seems like more evidence to the fact that at some point GM changed the ECU in their kits.

The GMPP harness and ECU in my GTO were purchased in 2008. I don't have a speed input to the ECU. My fans turn on around 210 and turn off around 205.

Andrew
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