Looking for a wiring diagram for a 1990 GMC Sierra ½ ton. I need it to install a car starter
Any help would be greatly appreciated
Thanks!!

Bull dog security used to have them on there web site, i got them there last christmas for my fathers 96 chevy pickup, and previously for my ford and my moms minivan. i cant remember the website though, just do a yahoo, or google search for bulldog security.