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Asked: Oct 02, 2009 - 04:00 PM

Status: Closed

Service 4WD on my 2005 GMC Yukon.

I have the "Service 4WD" light on my 2005 Yukon for two weeks then it automatically switched to the low 4wd and will not come back to 2WD. What is happening?

In Maintenance & Repair > Electrical > Instrument Panel
In Makes & Models > GMC > Yukon
In Maintenance & Repair > Transmission > AWD 4WD
1 answer - 52 days ago

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snowball2

Date: Oct 02, 2009
Time: 08:48 PM

THERE IS A PROBLEM WITH WATER INTRUSION IN WIRING HARNESS TO T-CASE WHAT YOU NEED TO DO IS REPLACE HARNESS TO T-CASE HERE ARE THE PART NUMBERS
1)15832722 WITH OUT 4 WHEEL STEERING ONLY
2)15224663 WITH 4 WHEEL STEERING
3)88987993 CONNECTOR WITH LEADS,2 WAY FEMALE(FOR SPEED SENSOR)
YOU WILL NEED EITHER 1 OR 2 AND 3 YOU WILL NEED

THE PARTS PLACE CAN FIGURE OUT IF YOU HAVE 4 WHEEL STEERING OR NOT
GOOD LUCK

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