Electronics Need help wiring something up? Thinking of adding an electrical component to your car? Need help troubleshooting that wiring glitch?

I want to wire an electric fan please help!!

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Old Nov 1, 2006 | 08:19 AM
  #1  
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From: Southern IL
Car: 88 GTA "Cocaine"
Engine: 350 tpi
Transmission: 700r4
Axle/Gears: 3.27
I want to wire an electric fan please help!!

I am using a single fan set up from an 86 trans am and the relay and harness pictured

I would like the fan to run when the ignition is on so I dont have to put any sensors in the block

I know that this is not the type of relay and harness that was used in 86 but this is what I have in the gaarage.

the fan has a two wire plug: simple- ground and power

what I need to know is on the relay where do I send the battery power, where do I put the ignition lead so on and so forth.

I appreciate any help that can be offered

Last edited by jamon8; Feb 20, 2009 at 08:28 AM.
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Old Nov 1, 2006 | 08:24 AM
  #2  
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From: Southern IL
Car: 88 GTA "Cocaine"
Engine: 350 tpi
Transmission: 700r4
Axle/Gears: 3.27
the reason I want to use this is because it is new and came with the the painless harness that I bought for my bird.

I may have the old style somewhere

also are the wires a bit small for the amount of juice for the fan. they look to be 16 gauge and I know the power wires on my bird are way bigger

by the way I hope you guys dont get mad but I am working on a 69 C-10

So far I have put the bucket seats, stearing column and radiator and fan from an 86 Trans Am I parted out.
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Old Nov 1, 2006 | 08:59 AM
  #3  
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From: West Warwick RI, postal code: 02893
Car: Building LS3, T56 Z28
Engine: LS3
Transmission: T-56
Axle/Gears: Moser/ 4.11
I have no idea what is pictured there.....

BUT I can help you. If you go to summit's website a lot of parts let you see the instructions for them. Look up some painless wireing fan relay instrutions.

I have a dual fan setup and have one fan wired to the ignition with a relay and the other to a themo switch in the intake. My motor makes a TON of heat. It makes a solid 500 hp and I drove it for an hour to the body shop where it is now and it stayed between 160 and 180 the whole way there. So I know it was all working.

Hopw this helps.
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Old Nov 1, 2006 | 07:25 PM
  #4  
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From: Davisburg, MI
Car: 87 Evoluzione, 84 TransAm, 05 GTO
Engine: LT1, L98, LS2
Transmission: (2) T56 & (1) 700R4
Axle/Gears: Moser 12-bolt w/3.73 & Stock
The picture is a little blury, but I think what you have there is just a weatherpack connector and not a solinoid.

If you pick up a solinoid from your local auto parts store the terminals will be numbered.
#30 10ga wire to battery or an always hot junction block
#87 10ga wire to fan positive lead
#86 18ga wire to ground
#85 18ga wire from dash that is hot when ignition on
#87a ignore it if it has one
86 and 85 can be reversed, it doesn't matter. Ground the other wire from the fan. If you have the fan wires backwards it'll just blow the wrong way.
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Old Nov 2, 2006 | 06:37 AM
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From: Southern IL
Car: 88 GTA "Cocaine"
Engine: 350 tpi
Transmission: 700r4
Axle/Gears: 3.27
thank you
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Old Nov 2, 2006 | 04:54 PM
  #6  
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From: Tulsa, OK
And when you go in there, ask for a fan relay. Not a fan solenoid...
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