Hotwire Cooling Fan

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Jun 23, 2003 | 07:47 PM

Wile E Coyote

Thread Starter

Racer

Joined: Mar 2003

Posts: 431

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From: Nova Scotia Canada, Eh.

Hotwire Cooling Fan

Hey Folks.

I just pulled my hypertech chip out and went back to the stock one. (Just couldn't get the car to set decent timing with it in this year. (Do they go bad?)

But... I've still got the 160 degree sensor for the aux fan installed. So it's coming on at 160 and the other one isn't coming on at all (but it will when I go racing this weekend...)

I want to use the aux fan switch to run both the relay for the aux fan and the regular fan so they go on together at 160.

Is it possible to just jumper off the "go" signal wire on the aux relay (green / white?) to the "go" signal (green /white? )on the reg. fan relay? Will the computer freak or accept it?

I know the right way to fix this is with a properly programmed chip, but I don't have time before going racing this weekend.

Thanks

Jun 23, 2003 | 08:50 PM

AGENT 86

Team Owner

Joined: Jan 2003

Posts: 20,320

Likes: 248

From: Summerland B.C. Canada

Re: Hotwire Cooling Fan (shansen)

I'm no expert,but i see no problem with doing that. Leaving the original wire there also should allow for ac to kick in the fan when ac turned on. I'm sure someone will chime in and set you straight. Good Luck !! :cheers:

Jun 24, 2003 | 08:05 AM

Wile E Coyote

Thread Starter

Racer

Joined: Mar 2003

Posts: 431

Likes: 0

From: Nova Scotia Canada, Eh.

Re: Hotwire Cooling Fan (AGENT 86)

Thanks for the bump to the top, Agent 86.

The main thing I'm worried about is if the hotwire to the other relay will cause problems back to the ECM. I don't want to fry an ECM doing this.

Jun 24, 2003 | 08:53 AM

Strick

Race Director

Joined: Feb 2003

Posts: 11,672

Likes: 20

From: Lake Wylie SC

Re: Hotwire Cooling Fan (shansen)

We should follow what the NASCAR guys do and put a switch panel in with fan and electric water pump switches. It does away with the automatic functions of normal driving so you'll have to teach people how to drive it. Better yet, nobody will ask because it will be too confusing and that could be a good thing. How did I get started on this? :confused:

Jun 24, 2003 | 09:24 AM

C10 JDR

Drifting

Joined: Apr 2003

Posts: 1,292

Likes: 2

Re: Hotwire Cooling Fan (shansen)

This might be useful

\ http://forums.corvetteforum.com/zerothread?id=589123

Jun 24, 2003 | 10:56 AM

TIMSPEED

Le Mans Master

Joined: Mar 2001

Posts: 9,464

Likes: 1

From: Modesto CA

Re: Hotwire Cooling Fan (britvette)

SHansen,
Look in the TOOLS=>TECH TIPS=>C4's.
Jim (65Z01) did a write-up on how to make your main fain be controlled by the lower temp aux fan switch. I did it to mine, and I never see temps over 200º. (My Aux fan switch is set to come on at 190º)
:cheers:

Jun 24, 2003 | 11:26 AM

65Z01

Team Owner

Joined: Dec 2000

Posts: 90,675

Likes: 304

From: SE NY

Cruise-In II Veteran

Re: Hotwire Cooling Fan (TIMSPEED)

That's right; no problems for over 2yrs now.

Jun 24, 2003 | 12:16 PM

Wile E Coyote

Thread Starter

Racer

Joined: Mar 2003

Posts: 431

Likes: 0

From: Nova Scotia Canada, Eh.

Re: Hotwire Cooling Fan (65Z01)

We need a smiley for a big DUH and a slap to the forehead.

I went through a few searches on the archives, with moderate success. I didn't realize that that Tools section even existed until you pointed it out.

EXACTLY what I was looking for - thanks Tim and Jim. :hurray:

Britvette - thanks for the diode tip too. I have a lighting idea for that tip....

Gee - Looks like my afternoon's gonna get blown reading through all these cool tech tips.