Question about 2007 Chevrolet Impala LS Sedan New Cars

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Wiring diagram for cooling fan

Someone rewired fan away from fuse box and it does not work

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  • Greg Kellerman
    Greg Kellerman Dec 13, 2014

    Hi Tara lindquist, I want to help you with your question, but I need more information from you. Can you please add details in the comment box? We are talking about the radiator fan aren't we? Does the fan come on when you turn on the air conditioner? I believe Chiltons and Haynes manuals would have the wiring diagrams if you can't find them on the web.



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  • Chevrolet Master
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It is a 2 speed system that utilizes 3 relays to do this.

Wiring diagram for cooling fan - 23940595-uuob5xk5qpmufdktz2iyu4qm-2-0.gif

Posted on Mar 20, 2016


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SOURCE: 1992 corvette - cooling fans do not actuate at temperature.

Do the fans come on when you turn on the air conditioner. I do believe the temp switch for the fan is on the passenger side of the engine above the starter.

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its almost deff a hot wire grounding out do not over size your fuse just start at one light check your wires for cracks kinks and bare spots its not fun but you should prob take it to a shop unless u have alot of spare time

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SOURCE: 1985 Chevrolet Celebrity radiator fan stopped

you need to change the CTS ( coolant temp sensor ) that is what operates the coolant fan. turns on at 222 degrees and off at 219 degrees

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SOURCE: I need to rewire my

Probably the easiest way to fix it would be to get the wiring harness parts that you need at a salvage yard from a vehicle that has wiring harnesses that are compatible with yours.

The other way to do it would be to get a wiring diagram and replacing each of the wires of your fan circuits so they are as close to original equipment as possible.

NOT: any splices made should be done with **** connectors and shrink-tubing to seal the joints so you don't end up with another mess like the one you have now. Then cover the wires with plastic loom like the original harnesses. Wire, connectors, shrink tubing and wire loom are available at most auto parts retailers.

Posted on Sep 02, 2011

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