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gchemist · 04-27-2009, 02:31 AM

Pull the plug on the fan. Test for power. If it has power the ground is not working. Check the resistor. Next check for power at the relay. If there is no power at the relay, check for power at the switch.

04-27-2009, 02:31 AM	#3
gchemist BAD BOW-Silverado XST Join Date: May 2000 Location: Senior Member from Austin, TX Posts: 6,431	Re: Blower motor has one speed: "On" Pull the plug on the fan. Test for power. If it has power the ground is not working. Check the resistor. Next check for power at the relay. If there is no power at the relay, check for power at the switch. __________________ Gerardo a.k.a. Mad Chemist Silverado XST videos