i just had a lil' offroad adventure into a ditch off the side of the road today!!! im up here in Mighigan and were getting POUNDED with this strange falling white fluffy rain?? its very slippery indeed,,, however i used my 4x4 to help boost myself and the truck pulling me out,,and then it became "stuck in 4x4",,,,4x4 light on,,
i repeatidly pushed the 4x4 button and even 4 lo with no result,,however it did kick into 4lo no problem,,,but then became "stuck in 4lo",,4x4 and 4lo light off?? Great,,
so i pulled it in the garage to inspect everything,,everything appeared in working order,,so i consulted this forum and discovered how to check the 4x4 moduel and how to remove and rebuild the shift motor,, tested the moduel,,it worked fine,, my culprit was a bad shift motor,,
i removed the transfer case shift motor and manually put it back into 2hi,,and it was fine,,but now,,i cant put this shift motor back on because the "selector nub??" is now in 2hi and the shift motor is still in the 4lo position,,, Great,,,
anyhow i got to thinkin',,,and lookin' at the shift motor,,,and i realized that its basicly just like any other electric motor,,like a window motor or whatever,, so i simply took the 2 wires coming off or the actual motor itself and stripped the protective coating off of the wires so i could tap in with 2 other wires,,
the wires are red and yellow coming off the motor by the way,, but i then grabbed a car battery i had laying here and was able reverse polarity to the shift motor and make it turn back to its original position,,so i could bolt it back up to the transfer case...
but this also made me realize that it was infact the shift motor that went bad because the first couple of times i touched the wire leads to the battery,,the motor didnt budge,,it did make a click noise though,, but after a couple light taps with a wrench,,the motor started working,,although it did not sound very healthy,,,grinding noises and all that jazz,,
so this was just a temporary fix to get my truck out of 4lo,,and i can bolt the shift motor back up and not worry about it not lining up properly....i do plan on replacing the shift motor as soon as possible.. but basicly what i think it boiled down to was the little "stopper" in the shift motor wore out and the computer couldn't sense if it was even in 4x4 or 4lo,, but im not 100% on that,,,, im just glad to not be stuck in 4 lo range anymore., allthough i may need it if it keeps snowing like this!!!