My buddy has a 99 ecsb 5.3 AT. when he puts it in 4WD it does nothing. Is it in the switch a relay or what?
My buddy has a 99 ecsb 5.3 AT. when he puts it in 4WD it does nothing. Is it in the switch a relay or what?
Mike
07 Avalanche LT1 w/5.3 We call her Ava
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