Fan switch
Drifting
Joined: Aug 2010
Posts: 1,704
Likes: 8
locate the main fan relay,rear of fender driver side.
this is the pin out of fan relay
[IMG]
[/IMG]
As you can see, ground terminal B DARK GREEN/WHITE and relay energizes and closes D-A
Put a switch to ground to terminal B and you can start main fan when you want
this is the pin out of fan relay
[IMG]
[/IMG]As you can see, ground terminal B DARK GREEN/WHITE and relay energizes and closes D-A
Put a switch to ground to terminal B and you can start main fan when you want
Last edited by tunedport85inject; May 11, 2013 at 02:16 PM.
Team Owner
Joined: Mar 2012
Posts: 27,118
Likes: 135
From: Montgomery, Alabama
2017 C6 of Year Finalist
Here is the wiring diagram for the 92 model.
When I bought mine the previous owner had cut the blue/wht wire from the fan relay to the ECM and directly grounded it so that the fan came on as soon as the key was turned on. I would not recommend that approach as it keeps the temp too low.
Cut the blue/wht wire and install the switch between the wire from the fan relay and to a ground point. Tape off the end of the blue/wht wire that goes to the ECM.
When I bought mine the previous owner had cut the blue/wht wire from the fan relay to the ECM and directly grounded it so that the fan came on as soon as the key was turned on. I would not recommend that approach as it keeps the temp too low.
Cut the blue/wht wire and install the switch between the wire from the fan relay and to a ground point. Tape off the end of the blue/wht wire that goes to the ECM.
Last edited by Old Ben; May 11, 2013 at 07:01 PM.
Drifting
Joined: Aug 2010
Posts: 1,704
Likes: 8
Here is the wiring diagram for the 92 model.
When I bought mine the previous owner had cut the blue/wht wire from the fan relay to the ECM and directly grounded it so that the fan came on as soon as the key was turned on. I would not recommend that approach as it keeps the temp too low.
Cut the blue/wht wire and install the switch between the wire from the fan relay and to a ground point. Tape off the end of the blue/wht wire that goes to the ECM.
When I bought mine the previous owner had cut the blue/wht wire from the fan relay to the ECM and directly grounded it so that the fan came on as soon as the key was turned on. I would not recommend that approach as it keeps the temp too low.
Cut the blue/wht wire and install the switch between the wire from the fan relay and to a ground point. Tape off the end of the blue/wht wire that goes to the ECM.
Corvette Stories
The Best of Corvette for Corvette Enthusiasts
Top 10 Most Expensive Corvettes Ever Sold on Bring A Trailer
Brett Foote
10 Things Every Corvette Owner Needs (2026 Edition)
Michael S. Palmer
8 Most "Only Corvette Owners Understand" Quirks and Problems
Pouria Savadkouei
10 Reasons the C6 Z06 is Still A Performance Benchmark After 20 Years
Joe Kucinski
How Much Horsepower Every Corvette Engine "LOST" in 1972
Joe Kucinski
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!
Michael S. Palmer
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!
Joe Kucinski
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter
Joe Kucinski