Power and ground wiring/distribution
1/0-gauge from battery split into dual 4-gauge runs to the rear amp rack. Stinger fused distribution block is mounted on 1/4" ABS that is bolted to the metal ECU housing with nutserts and 1/4-20 bolts.
Ground distribution/power wire routing under rear seat, zip tied and anchored at several points in order to keep it flat to the floor pan and as secure as possible:
Amp rack power/ground distribution: