Here is a better copy of the Engine Wiring. If you look each wire is numbered. The numbering goes like this.
The wire from the battery to the starter relay is A1A-10R
A1A is the number to trace through the diagram, 10 is the wire guage and R is the color or Red.
Numbered wires like J7-18GY* that end in an asterisk have a White Stripe noted by the * and no second color.
Numbers that end in two colors and an asterisk are striped with the second color. For Example J5-18BK/Y* is an 18 guage black wire with a yellow stripe.
I will try to ge the under dash wiring scanned tomorrow. These are B body diagrams but they are the same inside the engine compartment and only slightly different under the dash.
Open the attachment above and you will see a larger diagram.
Hope it helps.