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Automotive Repair Car Troubleshooting Topics   Car Troubleshooting   Engine Troubleshooting   Engine Fault Codes   Electrical and Wiring   Transmission Problems Car Repair Topics   Car Making Noises   Car Stereo Repair   Heating or AC Issues   Motorcycles and ATVs   Tricks of the Trade   Truck Repair Advice Site Options:      Login   Sign up here! Latest Forum Post   1989 toyota pickup 3.0 crank no start I have a 1989 toyota pickup 3.0 crank no...   Strut spring orientation and strut mount tension nut 2017 Nissan rogue awd 2.5 L Put in Monro...   Transmission stuck in part, I have tried everything So I'm working on my elderly fathers 201...   2017 dodge journey LED headlights on/off randomly Year of vehicle 2017 Make of vehicle dod...   Kia Soul starter replacement issues! Okay so my car is a 2010 Kia soul 2.0 en...   Please Help - Knock sound & engine fail Hi all, Hoping to get some insight and ...   multiple warning lights 2013 GMC Terrain 130,000 miles 4 cylinde...   03 alero no low speed blower Good day everyone, I have a 2003 Olds a...   04 Chevy 2500hd tail light issues Help!!! I have changed my combo switch...   1999 Grand Caravan Sport not starting. Hi. I'm new here. I hope someone can hel...

cooling Fan Sign up here! Search this forum this category all forums for All words Any words Whole Phrase (search options) Auto Repair Home>> Automotive Repair>> Car Troubleshooting jmacjr1125 New User Mar 3, 2006, 6:39 PM Post #1 of 4 (4129 views) cooling Fan Sign In I have a 2002 Chevy cavalier and the cooling fan continues to run even after you turn off the ignition.Therefore after a while it runs the battery down.I know there is probably a relay that controls this but I don't know where to start looking.Any help would be appreciated. Jmacjr DanD Veteran / Moderator Mar 4, 2006, 6:42 AM Post #2 of 4 (4123 views) Re: cooling Fan Sign In You’ll find the cooling fan relay in the under hood power distribution box (fuse box). Here’s a schematic of its location in the box. The relay isn’t in control of the fan; it’s the switch that turns it on and off. The relay is controlled by the PCM (computer). The problem may just be that the relay is stuck keeping the fan on or it could be a shorted to ground control circuit. (Dark Green wire in diagram) This short or unintentional connection to ground could be in the wiring harness or in the actual PCM. To determine whether it’s stuck or shorted unplug the relay; hopefully the fan shuts off (it likely will) if so switch it for the heater blower relay they are the same kind of relay. If the fan starts up again you’ll need to find where the control circuit is going to ground (harness or PCM) If it doesn’t star running it’s more then likely that the relay is stuck on. Sometimes lightly tapping the relay will get it to shut off; if so don’t trust it get a replacement from the dealer. Dan. Canadian "EH" jmacjr1125 New User Mar 4, 2006, 9:09 PM Post #3 of 4 (4116 views) Re: cooling Fan Sign In Thanks that is exactly what the problem was.I tapped on the relay and the fan turned off but it sounded like something rattleing around inside the relay so I went to chevy dealer and got one for $9.Thanks again. jmacjr1125 DanD Veteran / Moderator Mar 5, 2006, 3:23 PM Post #4 of 4 (4101 views) Re: cooling Fan Sign In Thanks for posting the fix. It’s people like you who take the time to say thank you that makes this site so great; you don’t know how many others you may have helped. Thank again jmac…. Dan. Canadian "EH"   Automotive Repair     Auto Body Repair and Refinishing     Heating or AC Issues     Electrical and Wiring     Brake Systems     Car Stereo Repair Advice     General Discussions     Car Making Funny Noises     Engine Fault Codes     Engine Troubles     Exhaust Systems     Steering and Suspension     Transmission Troubles     Tricks of the Trade Automotive World     General Discussions     Antique Car Talk     Car Shows and Events     The Bargin Bin     Motor Vehicle Inspection     Car Care Tips     Traffic Tickets     Gasoline, Motor Oils, Concept Cars and Engines     Auto Insurance, Financing, Leases, Warranties Truck Repair     General Discussions     Truck Engine Repair     Truck Suspension Repair Motorcycle Repair     General Discussions     Motorcycle Engine Repair CarJunky     Open Posting     Board FAQ's     New Board Suggestions

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