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

Fan no run

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Old 04-07-2019, 08:04 AM
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Car: 1990 firebird,1989 Iroc z,1986 fire
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Fan no run

Dual cooling fans. The AC compressor don't kick in when I turn the AC on. Neither does the passenger side or driver's side.
Old 04-12-2019, 03:55 PM
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Axle/Gears: 3.23 posi disc
Re: Fan no run

Not trying to be smart-***, but is this the same song second verse of the wiring harness
issues in other threads?

I'm tellin you dude, Service Manual w/ total electrical system info will be money well spent.
Old 04-12-2019, 05:03 PM
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Car: 92 RS / 90 IROC-Z
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Re: Fan no run

Originally Posted by Bobby Suth
Dual cooling fans. The AC compressor don't kick in when I turn the AC on. Neither does the passenger side or driver's side.
I have a GM Service Manual, What's your Engine VIN?
Old 04-12-2019, 05:08 PM
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Re: Fan no run

This is has dual fans...

Old 04-12-2019, 09:01 PM
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Re: Fan no run

Originally Posted by l_dis_travlr
Not trying to be smart-***, but is this the same song second verse of the wiring harness
issues in other threads?

I'm tellin you dude, Service Manual w/ total electrical system info will be money well spent.
the fans are in a 89 formula 5.7 car. The mess of a wiring problem are in a 88 Camaro with 5.0tbi. I would love to get a service manual for all 84 to 90 Camaro and firebird. Even one would be great. I have no credit cards but Lowes and don't know how safe debit card is. Or if I can buy with that.
Old 04-12-2019, 09:10 PM
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Re: Fan no run

Not sure if these are still valid
https://www.thirdgen.org/forums/tech...ce-manual.html

https://www.thirdgen.org/forums/tech...ro-repair.html
Old 04-12-2019, 09:10 PM
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Re: Fan no run

Originally Posted by Bobby Suth
the fans are in a 89 formula 5.7 car..
You scrolled right past the helpful information, that I offered out of my GMSM without acknowledgement. And yes I am being a Smart-A$$ because I tried to save you time and a buck... I chose that diagram because VIN code 8 is much better known as the L98 5.7 V8 TPI, standard in the 1985-91 Corvette and optional in the 1987-92 Camaro/Firebird platform which if I'm not mistaken is what your asking for help with.

Hope it helps...
Old 04-12-2019, 09:15 PM
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Re: Fan no run

Here is the primary fan for 89 tpi
Old 04-12-2019, 10:52 PM
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Re: Fan no run

According to these diagrams, there can only be a few problems. sensor, wire, fan motor, relay, ecm
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