Question about 2002 GMC Savana

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The fan in my 2002 GMC Savana cargo van doesn't work. I lost low, then medium speed, and finally the high speed.I checked the fuses and relays.I changed the blower resister, still no fan. The heat

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  • GMC Master
  • 2,122 Answers

Hi Jim, If the vehicle is fitted with climate control it will have electronic management. However it can be wired by someone knowing electrical circuitry to by pass the control. It will save you some cash but will need manual control. Make sure whoever does the job knows what he or she is doing. Have a happy new year. Regards John

Posted on Dec 31, 2012

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Posted on Jan 02, 2017

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SOURCE: 1997 GMC Savana 5.7 L conversion van. Cranks but wont start

look under the hood on the right side where your brake fluid is..There is a black box to the farest right of the brake fluid. take off the lid to this box were you will find fuses..Reach in and feel the fuses to see if any are loose.The largest fuses in the front, push down on those and then try to start it up..Take them out look at them make sure there ok if this dont work..they the one bad might need to be replaced..

Posted on Jun 12, 2010

  • 217 Answers

SOURCE: 94 gms safari van heater blower not working

This van has a resistor under hood for the blower motor and is the blower motor getting power to it

Posted on Jan 17, 2009

  • 1 Answer

SOURCE: 2005 GMC Envoy SLE blower fan speed #5 is not working

More than likely this should just be your resistor. You have different sized coils on the back of your resistor for all the different fan speeds. if one of them burns out or breaks then that certain speed will not work.

Posted on Feb 03, 2009

  • 60 Answers

SOURCE: 2003 gmc van the blower switch not working

Yes, definitly the blower motor resistor. Usually located just under the dash on the passenger side. Usually a result of mostiure entering the compartment where the resistor is located. Very common issue actually.

Posted on Aug 29, 2009

dttech
  • 4803 Answers

SOURCE: I have a 2002 GMC Savana Cargo van, it ran fine

The manufacturer does not even publish a troubleshooting chart for this. (At least, not a chart that is not associated with a computer fault code)

Most of the things that will cause your vehicle to not have spark will also cause your engine to not receive fuel. (no injector pulse) The only things I can think of would be a bad ignition coil, or a bad distributor cap and/or rotor, or a bad ignition control module. Depending which engine your van is equipped with, there should be an ignition control module located near the ignition coil. I would check for spark at the coil. If there is spark at the coil and no spark at the plugs, replace you cap and rotor.
If there is no spark at the coil, it could be caused by several things, but if you are certain that you have injector pulse, the most likely would be the module. (coil failures do happen but are more rare)

Posted on Jan 30, 2011

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