Question about 2006 Chevrolet Cobalt

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I need to see a picture of the cooling fan plug to the fuse box , i need to know if there is some kind of fuse or relay in between the plug and the fuse box.

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  • Chevrolet Master
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It's just a direct wire to the relay. The way the system works is the engine temperature sensor signal the ECM which signal the Relay. The relay is direct to the fans and the fuse. The Relay and is also controlled by the by pass switch from the A/C unit which sends signal to the Relay and from Relay to fans direct to battery and fuse. Hope this helps. If your still not getting the fans to work, check the ground wire and then try running a direct wire from the Battery. If it's works then replace the relay if the fan does not work with the direct wire, replace the fans. Good luck and hope this helps. 

Posted on Jul 03, 2009

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What causes both cooling fans to not run?


Hi Naomi , there is a lot involved in the control of the cooling fans on your vehicle ! There are three fuse's , three relays an a fan control unit !
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This cooling fan circuit has 2 cooling fans and 2 cooling fan relays, both cooling fan relays are located in the BJB (battery junction box, underhood fuse box) there is a low speed or main cooling fan relay in cavity location # K-46 and the high speed relay is location # K-47! Also check the main cooling fan power fuse # 2 in the same BJB, The fuse is a MAXI-FUSE (large one) it is blue in color and is rated at 60amps!

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Also check the coolent tempature sensor thats what signals the fan to turn on.

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I'd recommend you register for free at www.autozone.com Once registered you'll have access to repair and shop manuals for virtually any car or truck. All the data and diagrams you need now or may need in the future will be a couple of mouse clicks away. A diagram of the fuse panel is usually available.

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Need to know where the fuse is for the fan by the radiator. I know where the fuse box is at because mercury sable has 2 boxes. Which one contains the fan fuse. My fan is not working and been replaced and...


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Hi, the cooling fan relays or under the hood in the fuse box. There you will find the label in side fuse cover top showing you which relays or for the cooling fan there are two relays for cooling fans.If i can help you more just re post.Thanks

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Fusebox location


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Let me know if this helps. If not, let me know.

Circuit Protection The fuse panel is located below and to the left of the steering column.
Fuses are a one-time circuit protection. If a circuit is overloaded or shorts, the fuse will blow thus protecting the circuit. A fuse will continue to blow until the circuit is repaired.

Main fuse box located on driver's side to the left of the steering wheel, above the brake pedal.


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the cooling fan relay is not in the fuse box.

it is a solid state relay bolted to the radiator core support just behind the bumper

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