1997 SSe Rad Cooling fan - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 02-28-2008, 09:19 AM   #1
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Default 1997 SSe Rad Cooling fan

Would like to know if it is possible to lock my radiator cooling fan on low or high speed without affecting the computer***I live in Florida and would like to have it running constant in the summer months*******
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Old 02-28-2008, 09:29 AM   #2
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Yes, many of us have installed switches for our high speed fan override, or you can have INTENSE program your PCM for it to come on earlier.
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Old 02-28-2008, 09:34 AM   #3
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Ok Thanx ....but is there any info on how to make the mod***that you know of ....?
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Old 02-28-2008, 09:38 AM   #4
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If you had a 93 or 95, I could tell you for sure. The trick is to ground the high speed cooling fan relay through a switch. But we'll need someone with an FSM to tell you wich relay and which wire.

You supply ANOTHER path to ground and leave the OEM path through the PCM intact.

Here'* an oldie but goodie from our dark past:
http://www.bonnevilleclub.com/forum/...rride&start=20

Just gotta determine which relay and wire for the 97.
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Old 02-28-2008, 09:43 AM   #5
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Ok ****I need to find some wiring details ***Thanx
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Old 02-28-2008, 01:05 PM   #6
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Boosty did this writeup on a pretty nifty setup.

http://www.bonnevilleclub.com/forum/...ight=relay+fan
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Old 02-28-2008, 01:43 PM   #7
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That solution is a bit overkill for the application. His intent was a little bit different than what most people would want or be willing to tackle.

Keep it simpler.
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