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

Bypass the cooler fan relay

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Old Jul 1, 2025 | 03:52 PM
  #1  
Perkalov's Avatar
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Bypass the cooler fan relay

Aight, still a 87 z28 305 TBI

I suspect the fan relay is fried.
See... eh huge picture below.

Need to use the car for half an hour to pass inspection.

How do I go about to bypass that thing?
Can worry with fixing an new relay later.

So, can i just short-wire two positions and have it run constantly?
If so, which two positions?

should be this badboy.
should be this badboy.




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Old Jul 1, 2025 | 04:03 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Bypass the cooler fan relay

Is there an orange and blk/red strip wire ?
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Old Jul 1, 2025 | 04:26 PM
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Re: Bypass the cooler fan relay

Originally Posted by Tuned Performance
Is there an orange and blk/red strip wire ?
Yes. They are also a tad sturdier then the other two.

Connect those two and the fan should be running?
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Old Jul 1, 2025 | 04:32 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Bypass the cooler fan relay

I think you jumper the two. Might want to make a fused jumper
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Old Jul 1, 2025 | 04:39 PM
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Re: Bypass the cooler fan relay

Originally Posted by Tuned Performance
I think you jumper the two. Might want to make a fused jumper
Okay.

20 amp sufficient or go with 30?
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Old Jul 1, 2025 | 04:40 PM
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From: Mile High Country !!!
Car: 1967 Camaro, 91 z28
Engine: Lb9
Transmission: M20
Axle/Gears: J65 pbr on stock posi 10bolt
Re: Bypass the cooler fan relay

I don’t know the amp draw I’d probably use a 20
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Old Jul 1, 2025 | 04:43 PM
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Re: Bypass the cooler fan relay

Originally Posted by Tuned Performance
I don’t know the amp draw I’d probably use a 20
Aight, thanks a bunch for quick help.
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