you can look in a Haynes manual you can buy one at autozone or go to a library and photo copy the pages you need
Where to find a steering column diagram for a GMC truck?
Go to Autozone or Advanced Auto and get the Chilton's Owner's Manual ($18).
Diagram of 1990 chevy truck steering column
A 1990 Nissan pickup truck has power steering. If the truck is displaying symptoms of not having power steering check the fluid levels and pump itself.
need a diagram breakdown of a 1980 chev tilt steering colume
You can obtain a break line assembly diagram, for your Chevrolet pickup truck, from most Chevrolet dealerships. You can also obtain the diagram from most auto-parts stores.
in a haynes book
need diagram for 1986 Nissan truck alternator
pdftown.com
where is nissan 93 pickup overdrive relay
steering wheel diagram for 1993 silverado horn
check eBay for a Nissan truck service manual