book stores may have a repair manual for your truck, or your local library may have the book, and you can copy the page at the library.
steering colm for 1989chev silverado
try www.haynes.com
Buy a repair manual, or go to the Library.
i need a schematic of steering colum for a 2003 tahoe so I can replace the key chip
go to eBay and buy a whole setup for the steering column
Under the dash on the left side of the steering column.
on the top side of the steering column under the dash
the wire in the steering column is shorting out
Do you have a tilt steering wheel ?? If so then more then likely the wires are shorted out where the wheel tilts. Common problem.
Diagram of 1990 chevy truck steering column
A bad brake light switch, and it is bolted to the steering column in under the dash.
How do change a light on a steering column in a 2006 chevy truck?