- Red wire: This is the power wire. It should be connected to a 12-volt power source.
- Black wire: This is the ground wire. It should be connected to a metal part of the truck's chassis.
- Yellow wire: This is the memory wire. It should be connected to the positive terminal of the vehicle's battery.
- Blue wire: This is the antenna wire. It should be connected to the car radio's antenna jack.
- Green wires: These are the speaker wires. They should be connected to the speaker terminals on the car radio.
- White wires: These are the illumination wires. They should be connected to the truck's light switch so that the radio will dim when the headlights are turned on.
