switch or acuator

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Asked by Lynda Mar 15, 2011 at 09:41 PM about the 1991 GMC Sierra 2500 2 Dr K2500 4WD Standard Cab LB

Question type: Maintenance & Repair

how do i tell if its 4x4 switch or actuator is bad

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Oss Jah answered 2 years ago

test light .

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Lynda answered 2 years ago

ok i understand a test light so what do i do if i test the switch an it comes on then how do i check the actuator ?

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