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

bad fan motor,relay or temp switch?

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Old Mar 8, 2012 | 10:01 PM
  #1  
StringRust's Avatar
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From: Toms River, NJ
Car: '89 Camaro Rs/ '87 Z28
Engine: 305 c.i. TBI/ 305 c.i. 4bbl
Transmission: 700r4/T5
Axle/Gears: 3.73 posi/ 3.73 posi
bad fan motor,relay or temp switch?

Noticed on my way home from work my camaro started to run hot. Apparently the fan is not coming on. Doesn't even come on when I turned on the a/c. Unplug the connector from the relay and jumped the 2 terminals. With the car off or with the ignition on and a/c switched on something clicks and draws power however the fan does not spin. With ignition on and a/c switched OFF there is no click and fan does not work when I jumped the terminals. Is this a bad fan motor?
Thanks!
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Old Mar 8, 2012 | 10:49 PM
  #2  
vetteoz's Avatar
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From: Not in Kansas anymore
Car: 82 Z28
Engine: 383 SP EFI/ 4150 TB
Transmission: T400
Axle/Gears: QP 9" 3.73
Re: bad fan motor,relay or temp switch?

Originally Posted by StringRust
fan does not work when I jumped the terminals. Is this a bad fan motor?
The terminals on the motor itself?
If you put 12V direct to the motor and it didn't work then most likely a bad motor
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Old Mar 9, 2012 | 12:02 AM
  #3  
StringRust's Avatar
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Joined: Oct 2002
Posts: 195
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From: Toms River, NJ
Car: '89 Camaro Rs/ '87 Z28
Engine: 305 c.i. TBI/ 305 c.i. 4bbl
Transmission: 700r4/T5
Axle/Gears: 3.73 posi/ 3.73 posi
Re: bad fan motor,relay or temp switch?

No the terminals on the connector that goes to the relay. Tomorrow I'm going to unplug the fan and run jumpers from fan to battery.
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