1986 3/4 ton Suburban, Rear window slow to roll up - Off-Road Forums & Discussion Groups
GM Standard SFA Trucks & SUV's All discussion of full sized Solid Front Axle Trucks, SUV's to include Suburban

 
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post #1 of (permalink) Old 03-16-2004, 01:25 AM
Temecula
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1986 3/4 ton Suburban, Rear window slow to roll up

My 1986 Suburban has the rear tailgate and the power to lift the window is lacking. If I rev the motor there is enough power. Any ideas that cold help?
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post #2 of (permalink) Old 03-16-2004, 10:15 PM
gregmgm
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Re: 1986 3/4 ton Suburban, Rear window slow to rol

It sounds like the alternator is starting to go belly up. Have it tested for voltage, which should be no less than 14 volts when running. Greg
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