Semi Truck to Stereo Wiring

Follow STS as we discuss various scenarios in factory installed head units as well as aftermarket and even OEM upgrades and replacements.

Table of Contents: Truck Stereo Wiring

  1. Accessory Power Relay Wiring

    A premium guide outlining how to safely hook up the RL3040 12V DC power relay in your semi.

  2. International After 2007 With Panasonic Wiring

    International After 2007 with Panasonic Factory Stereo