Where's my cooling fan relay?

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Apr 26, 2001 | 09:06 PM
  #1  
I have a 1991 Camaro RS 3.1 MPFI, where is my engine cooling fan relay?

Does anyone have a photo or a diagram?

Also, is it correct that grounding the green wire with a white stripe will turn on the fan?
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Apr 27, 2001 | 03:51 PM
  #2  
... I thought alot of people would know the answer to this one .... anyone?
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Apr 27, 2001 | 10:32 PM
  #3  
The fan relay is on the driver's side firewall. The fuel pump relay is there too. I dont know which is which on a V6.


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West Coast GM Shootout 2001!
1991 Camaro Z28
5.7L 5-Speed (originally 305)
13.23 @ 107.62 MPH
Southern California
Member: SoCal 3rd Gen F-Bodies
Webmaster: SoCal F-Bodies
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Apr 28, 2001 | 11:18 PM
  #4  
I figured it out. There are three identical large relays on the driver's side firewall. Only one of those has green/white, tan/white, red, & black/red wires. This is the fan relay. Also the red & red/back wires are much larger than any of the other wires on any of the relays. On my car the fan relay is the middle one.

Anyway, I spliced into the green/white wire and connected it to ground via a toggle switch. Now, anytime I'm stuck in traffic, I can flip the switch to turn on my radiator fan, and not worry about my engine getting too hot.
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