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Still Need Help with 4WD

marcum03

New Member
Joined
July 29, 2006
Messages
4
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City, State
YORK, SC
Year, Model & Trim Level
2002 EXPLORER XLT 4X4
I believe I've narrowed it between the 4WD control Module & the Electric Shift Motor. Can anyone help me rule one or the other out or how can I test which is bad?

Below is an overview as what I've already checked.

I have a 2002 4x4 Ford Explorer. The 4x4 does not work. None of the LED's (Auto, High, or Low) on the switch light up. With a volt meter, I checked to see if voltage was coming to the switch. It does & as the dimmer for the main lights are dimmed, the voltage is reduced accordingly. I accessed the switch was bad & replaced it. This was not the problem. No fuses at all are blown. A mechanic connected it to his scanner & got a code P735. This relates to 5th grear not being correct ratio. It has no 5th gear, but has an automatic transmission. He checked the grease in the crank case but levels were fine. It has only been used once or twice but the last known time it worked, all was well. Just one day when I tried to engage it, all seems totally dead.

Terry
 






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