FOUR WHEEL DRIVE NOT WORKING

2004 Chevrolet S-10

Tiny

FMC627

November, 14, 2011 AT 9:17 PM

Mechanic says when he hooks up his diagnostic tool, it says there is no communication with the 4wd computer. The lights on the switch don't light up and 4wd does not engage. I have had this problem ever since the truck came back from the transmission shop.

FOUND 1910 RELATED QUESTIONS

1 Answer

Tiny

Jacobandnickolas

November, 14, 2011 AT 11:38 PM

Check the wiring to the actuator on the transfer case. See if there is power to it. If there is, remove the actuator and check it for operation. If no power, work back to the relay and switch to see where power is lost.

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