Does anyone have any info about a wire modification on an a4wd system on a 99 expedition. Someone asked if it was done to my expedition in another thread, and I know nothing about it and did not get a response from them. So i thought id see if anyone might know something about it.
If your truck doesn't have a 2WD option on the dial, cutting the brown wire (or putting a toggle switch in) will disable the front drive clutch when it's in AWD so you can stay in 2wd, even with slippage.
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