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

Relays don't match schematic

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Old Mar 5, 2005 | 02:38 PM
  #1  
Ice Fisherman's Avatar
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Joined: Jan 2005
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From: Indiana
Car: 91 Camaro
Engine: 191 V6
Transmission: 4L60
Axle/Gears: 3.23
Relays don't match schematic

I am attempting to wire a fan switch. According to the shop manual schematic, the radiator fan relay is the far driver's side in a group of three.

The schematic says there should be red, black/red,green/white, and brown wires. What this relay actually has are: pink, green/black, green/white, and green. All of these wires look to be about 18 gauge.

I decided to ground this relay and hope for the best. I can hear the relay click, but no voltage to the fan.

Thanks for any help
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Old Mar 6, 2005 | 06:02 PM
  #2  
Ice Fisherman's Avatar
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Joined: Jan 2005
Posts: 107
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From: Indiana
Car: 91 Camaro
Engine: 191 V6
Transmission: 4L60
Axle/Gears: 3.23
Today I confirmed that the fan works in diagnostic mode. Does anyone have an idea how my fan is wired? Any idea what my mystery relay is for? Thanks
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Old Mar 6, 2005 | 10:27 PM
  #3  
Trickster's Avatar
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Joined: Sep 2003
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From: conway, s.c.
Car: 1989 Iroc-Z
Engine: 5.7L TPI
Transmission: 700R4
The relay that you are describing is actually the fuel pump relay. The relays that you want are the two other relays mounted next to it.
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Old Mar 7, 2005 | 06:08 PM
  #4  
Ice Fisherman's Avatar
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Joined: Jan 2005
Posts: 107
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From: Indiana
Car: 91 Camaro
Engine: 191 V6
Transmission: 4L60
Axle/Gears: 3.23
I got it wired up right today. The shop manual reversed the A/C and the radiator fan relays in the diagram. Thanks for the help
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