No 4wd
320

Asked by Guru5LZ3D Feb 15, 2019 at 11:07 PM about the 2000 Chevrolet Blazer LT 4-Door 4WD

Question type: General

2000 blazer all lites on buttons seem to work right when pushed showing in 4hi
or low here noise like going into 4wd but doesn't go into 4hi or low but lites stay
on like it is also service 4x4 light does come on? Any thoughts?

1 Answer

43vortecquestion answered 5 years ago

I am very new to this arrangement. they are nothing like the old school transfer cases of yore. everything is electrical with vacuum assist in some cases. under the battery there is a front axle actuator, behind the pass foot area is a transfer case control module, the actual case has an electrical position shift motor very big$ as is the TCCM. and the dash 3 button switch. all that is connected w/ wiring and vac lines. connections can go bad. I have found utube a great source of information about just about anything. warning, do not try shifting the transfer case motor w/o vacuum. it can be ruined- new price+$400!!!! again, I know almost zippo about these things. I am starting to appreciate my 72 c-20 more and more every day. 10 mpg ain't so bad when you think about it. a key and a gas pedal. that's all I need.

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