Do you have a question about the Fusion Powerplant PP-AM8004 and is the answer not in the manual?
Disconnect battery, check vehicle lines, secure product, and protect wiring before installation.
Connect +12V directly to battery with inline fuse/breaker; avoid engine components.
Connect to clean metal chassis point using same gauge cable as power for optimal ground.
Adjust amplifier level to match head unit output without audible distortion.
Connect power to battery, ground to chassis, and remote to switched +12V.