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Radiator fan only comes on when A/C is on

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Old 06-28-2019, 04:49 PM
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Radiator fan only comes on when A/C is on

I have a 1989 camaro RS with a 305ci. Its TBI and has a single fan in the front. The fan only comes on when the A/C is on but I can jump the fan on through the relay. I would think the relay is bad but I replaced it and its still doing the same thing. I just replaced my coolant temp sensor yesterday because that also went bad. Any ideas would help or clear up and location of where a ground wire would be or what the common problems are.

Extra Question that ive pretty much given up on: My car (automatic) always tries to shutoff on my when I shift into reverse or drive unless I give it a lot of gas. Ive been desperate with this one and replaced the ICM, Distributor Cap, Spark Plugs, Wires, and Fuel Filter but its only gotten worse.

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Old 06-28-2019, 06:34 PM
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Re: Radiator fan only comes on when A/C is on

Ive solved my issue, one of my ground wires was pulled. It was straight wired to the starter
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