Smoke is coming out of the steering column when I use the turn signal. 1993 Chevrolet Suburban

SOURCE: Short in steering column wiring

torque bit 20 to remove the air bag bolt in the back cover stering puller stering puller to push plate phillip screw driver that about it pierre

SOURCE: diagram of 1993 s-10 steering column

go to your nearest chevy dealer parts dept. and ask for a blow up of the steering column. most of the time they are very helpful for the do it yourselfers.. but there aint nothin like the good old chiltons auto manual.. good-luck, ray

SOURCE: repair tilt steering column on sk 1500 chevrolet

http://www.chevyasylum.com/column/tiltcol.html

SOURCE: steering column diagram for 1993 s-10 blazer

a haynes manual from the parts store will have that in there. about 20 bucks for the manual.

SOURCE: Chevrolet Suburban 4 Wheel Drive Indicator Lights

Just serviced my own 4x4 Suburban, by buying a 2nd hand encoder motor and replaced the old one, which was trashed by the winter salt. The device is prone to failure since it's made of alluminium and water has an easy time of entering the unit and trashing it.

CAUTION: Abbreviated gratuitous information of how an encoder motor was serviced. If unqualified to deal with repair, seek professional service.
CAUTION: Read at one's own risk.

To replace it, you need to crawl under the vehicle and remove the front drive shaft;

Disconnect the electric harness to the encoder motor, followed by unbolting it.

Take replacement encoder motor and install. There may be an issue with aligning the cogged cam of the transfer case to the encoder motor. If so, the vehicle's 4 wheels will need to be raised off the ground. The engine started, transmission in Park, and using a Vice-Grip® wrench gently rotate cam clockwise approximately 1/16 to 1/8 of an inch, then while set in this position, stop engine. Now attempt to align and attach the encoder motor.

After successfully attaching new encoder motor, attach its wiring loom.
Test vehicle.