the tccm will make a clicking noise then bolw the atc fuse pulled the encoder motor (t-case) its free not locked up bought a used tccm clicked a few times still wont engage now buttons on the dash switch wont light no clicking from tccm now switched back to origanal tccm and bought a new dash button unit still nothing. please help, going nuts ####### Thanks Gary 517 775 5535
Tags: 1998, 4x4, button, Electric, engage, s10, sys, wont