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Old 06-12-2012, 01:31 AM   #1
HzEmall
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Join Date: Sep 2009
Location: Sumas, WA
Posts: 137
LQ9 Pulsed Cooling Fan output?

I have a LQ9 swapped in to my 79 C-10 with the Painless harness. It uses the OEM ECM and it sends out a cooling fan signal when it reaches temp and kicks on a 30 amp relay in the Painless Gen III fuse/relay box.

BUT, when it get to temp and kicks in the relay opens and closes none stop, sound like the turn signals are on.

Has anyone run into this? I can't see anything in the HP Tuner software that would make a difference with it.....

Thanks
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