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Transfer case selector switch doesn't light up won't go in four wheel drive

(1999 Chevrolet Silverado 1500)
in Grinnell, IA on October 27, 2013
the transfer case control module makes a clicking noise in the dash and 4whl light is on
Displaying 3 answers & 4 comments
Popular Answer
on October 27, 2013
Sure it is not going into 4wd? Shift it to 4x4 Hi, drive slowly on dry pavement (parking lot) and make a 'hard' right or left hand turn, does it seem to buck /jump or act like the brakes are coming on then releasing? If so 4x4 is working!! If not suggest having the transfer case module scanned for trouble codes.
on October 27, 2013
positive it is not locking in when it first started messing up sometimes u could lock it in then it wouldn't unlock sometimes it would be the next day before it would go back to 2hi . do you have to take it to a GM dealer to have the codes ran or can a parts store do that to.
on October 27, 2013
Any repair shop with a professional scanner can do the test. Parts store, no, dont have the right equipment. Just to many possibilities to guess at it. Testing will save you money in the long run. The dash switches give some trouble but there again that would be guessing.
on October 27, 2013
OK thanks for the advise changed selector switch and shift motor on transfer case tired of guessing and throwing wasted parts at it to a shop I go. thanks agian
on October 27, 2013
That is your best bet sure enough!
Good luck with it.
of Greg's Orange Auto on October 28, 2013
get a free diag and est from aamco then post results
on November 03, 2016
Did you figure out what it was ? Mine is doing the something
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