Electronics Hi Speed Fan-Control Switch Kit - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-02-2007, 12:16 AM   #1
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Default Electronics Hi Speed Fan-Control Switch Kit

Hey guys i have a question, a friend of mine has a Grand Prix and he has a hi speed fan control switch kit from Casper. He'* able to override the radiator fans to high speed at any time with a click of a switch. I was wondering if there was a kit they sell for the bonnies or is there a way i could make one up myself to do the same thing.
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Old 03-02-2007, 01:30 AM   #2
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I'm pretty sure that kit you speak of won't work on our Bonnes. But I know a few have added high speed fan switches ( I think Billboost37 did it ) I'm unsure of how many have done something like that on a 2000+ though.


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Old 03-02-2007, 01:54 AM   #3
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Old 03-02-2007, 07:57 AM   #4
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Depending on your future plans, I might suggest skipping a fan rewire and consider a PCM reprogramming where the fans are set down to match your thermostat.

I personally did an override, messed with this and that.. then went with an Intense Standard PCM. Talk about bliss. If for nothing else but never seeing that temp gauge climb when you hop off the highway and hit a light in the summertime.
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Old 03-02-2007, 10:57 PM   #5
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Yes the Caspers won't work with our Bonne'* but ZZP sell one that I have installed and it works fine.

I have my PCM reprogrammed for a 160 Stat so rarely have to use it now but it comes in handy for racing cool down.
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Old 03-06-2007, 07:47 PM   #6
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R U talking about ZZP Hi-Lo Fan Switch
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Old 03-07-2007, 12:13 AM   #7
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Quote:
R U talking about ZZP Hi-Lo Fan Switch
Yes. It'* a relatively simple install if you don't mind cutting into your under hood fuse box wiring.

I like being able to turn on the fans (hi or low speed) anytime I want to.
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Old 03-07-2007, 12:20 AM   #8
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Note to the older gens:

On the 92-99, you don't need this. The Hi-speed override can be done by tapping into a relay under the hood in the maxifuse relay center or a wire at the PCM harness. The advantage to the 92-95 is that the PCM is still in the passenger compartment, preventing you from having to run a ground wire for the switch through the firewall. You can tap directly into the PCM harness. I have it this way on the Zilla, but the SLE is still running through the firewall. One wire, one switch.

The 2k'* are better served with the kit mentioned.
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Old 03-08-2007, 08:44 PM   #9
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Thanks Guys i will get started as soon as possible.
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Old 03-08-2007, 08:49 PM   #10
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It'* well worth it. I have the ZZP Switch. Even with the DHP, I still use the manual controls a lot in the summertime.

Just don't forget to turn it off, and don't bump it. I left it on once and had to get a jump.
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