How do I know which lead is for which fan?
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Joined: Feb 2000
Posts: 1,170
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From: Seattle, Washington
Car: '87 IROC-Z/'82 RX7
Engine: SBC 355/1.1L Rotary
Transmission: T56/5 Speed
Axle/Gears: 4.33/3.93
How do I know which lead is for which fan?
'87 305 IROC TPI. Dual fans. The wires have been cut and I'm wiring in something different. I want to know which wires are the ones that turn the 195 fan on and the 210 fan on. This way I can turn both on at 195.... and I'm putting in a separate set of relays to operate the fans off of a switch.
Thread Starter
Supreme Member

Joined: Feb 2000
Posts: 1,170
Likes: 0
From: Seattle, Washington
Car: '87 IROC-Z/'82 RX7
Engine: SBC 355/1.1L Rotary
Transmission: T56/5 Speed
Axle/Gears: 4.33/3.93
There are 5 wires coming from the loom/harness.... two orage (power), a green, a tan, and a black.
Is it the tan or the black or the green?
Is it the tan or the black or the green?
Last edited by Twilightoptics; Nov 27, 2002 at 12:23 PM.
you can use can setup up the stock factory wiring and work from there..
i just spilced in a toggle switch so i can ground the relay(s) any time i want, and you dont even have to wire in any other relays at all.
i just spilced in a toggle switch so i can ground the relay(s) any time i want, and you dont even have to wire in any other relays at all.
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