Not bike related but I thought some might find this handy.
Some info I picked up,if you're going to be doing any audio installations in your vehicle.
It also covers all wiring colours for installing an alarm system,or a remote starter.
Covers most makes and models,and goes back to the seventies,if need be.
Give me a shout if you need any info,and I can email it(PDF).
For example...
(I think this one is for a Chev,but they ARE labelled specifically)...