Definition:

• OFF is ignition in the O position.
• ACC is ignition in the I position.
• ON is ignition in the II position.
• START is ignition in the III position.

Wire colors:

Black/Red, for example, is a wire that is black with a red stripe.

PURPLE is safe when positive.

Inside this relay contains Relay 1, Relay 2, R1, D1, D2, D3 and more.