Where can I find wiring diagrams?

if you have a buddy at a body shop or a dealership... those are about your only options... dealerships can print the wiring diagrams from the internet, but it's a site that each respective auto maker has and it's password protected, etc... but i got a diagram for EVERY wire in my 2002 s10 v6 Auto from the GM dealer where i live... body shops may have access to some of it, they have to repair stuff from collisions and figure out what wires are toasted sometimes too....

good luck

you can also check auto electric shops. my dads friend has access to all the wiring diagrams to most vehicles.