my 93 blazer does not even get a lite to 4 wheel drive and does not go into 4 wheel at all why?

Asked by May 11, 2012 at 12:32 AM about the 1993 Chevrolet S-10 Blazer 4 Dr Tahoe 4WD SUV

Question type: Maintenance & Repair

2 Answers

455

Check vacuum lines from the tranny up!!!!

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17,645

switch or most likely the TCCM. disconnect the battery and see what happens when you press it then. Also listen for clicking sound near the passenger floor board when you press the button, clicking means it's working. Before replaceing it be sure to check for power and ground to the TCCM

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