Rockford Fosgate TM400X2ad Installation & Operation Manual page 10

Installation
4-Channel (Stereo)
TM400X4ad
** For high level input; cut supplied input
harnesses then use the wire harness color
codes below.
illus.-2.3
10
ATVs, Golf Carts or Motorcycle
When using amplifiers on ATVs, Golf Carts or Motor-
cycles, Rockford Fosgate recommends to run both
GND (negative) and B+ (positive) cables from the
amplifier directly to the battery.