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1997 Explorer XLT ControlTrac 4wd Issue - HELP

bigred4x4

Off-road enthusiast
Elite Explorer
Joined
October 6, 2008
Messages
755
Reaction score
78
Location
Va
City, State
chesapeake virginia
Year, Model & Trim Level
'96 xlt 4x4
Brown wire mod is almost a necessity for 4405 in my opinion especially if you wheel it. It's too simple and cheap not to do it. Those speed sensors are definitely a big issue with these units... $80 !! Pssh Yea right I got mine at a junk yard for free while I was there pulling some larger items. The cheapest I found new was still over $60 besides the gem the only other electronics that could maybe cause you too be locked in 4 hi is TOD relay and the other relay behind the gem (forget the dang name of it)
In my experience bad shaft speed sensors lock you out of any kind of 4wd as a safety measure (happened to me) but then again I have a 96 with a factory 2wd mode but I don't think it matters too much the gem just has to cut power to the brown wire but yea as mentioned would definitely be worth getting forscan. Wouldn't throw parts at it until you eliminated most of the culprits
 






XLTrunner

Explorer Addict
Joined
April 19, 2015
Messages
1,027
Reaction score
280
City, State
MN
Year, Model & Trim Level
1998 Explorer XLT 4.0SOHC
Front hub brg abs sensors are NOT part of the 4x4 sensor system.
 






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