how many volts should the cooling fan switch be getting?
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Junior Member
Joined: Mar 2007
Posts: 53
Likes: 0
From: Philly
Car: 1992 Z28
Engine: 5.7 TPI
Transmission: 700R4
Axle/Gears: Stock 3.42
how many volts should the cooling fan switch be getting?
how many volts should the cooling fan switch, located on the passengers side head, be getting ? Mine reads around 12 volts. thanks in advance
Supreme Member
iTrader: (1)
Joined: Mar 2007
Posts: 3,525
Likes: 7
From: Arlington, Tx
Car: 91 Camaro RS
Engine: empty bay (for now)
Transmission: Built T-56
Axle/Gears: 3.42 stock posi disc
Re: how many volts should the cooling fan switch be getting?
12v is right.
Supreme Member
Joined: Sep 2002
Posts: 9,192
Likes: 20
From: Cary, North Carolina
Car: 1992 RS
Engine: Carbed 350
Transmission: 700R4
Axle/Gears: 3.42 posi
Re: how many volts should the cooling fan switch be getting?
Cooling fan switch doesn't get 12v does it? It's the ground for the fan relay - if you ground the wire for it, the fan comes on. I guess if it's grounded it's getting 12v maybe - but it shouldn't have voltage on it.
Supreme Member
iTrader: (1)
Joined: Mar 2007
Posts: 3,525
Likes: 7
From: Arlington, Tx
Car: 91 Camaro RS
Engine: empty bay (for now)
Transmission: Built T-56
Axle/Gears: 3.42 stock posi disc
Re: how many volts should the cooling fan switch be getting?
With it grounded it will be getting 12v.
Thread Starter
Junior Member
Joined: Mar 2007
Posts: 53
Likes: 0
From: Philly
Car: 1992 Z28
Engine: 5.7 TPI
Transmission: 700R4
Axle/Gears: Stock 3.42
Re: how many volts should the cooling fan switch be getting?
thanks guys. just tryin to tie up some loose ends. this was my first swap. and i got murdered with this wiring. but now that its done. i have to find out why my SES light is on but i cant get communication to the ecm through the OBD hook up. im gonna try to get a new ecm and new custom prom and see what happens. if that doesnt work then im gonna buy a new wiring harness.
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