Disconnect the trailer connector and install the T-harness between the trailer connector and the factory
harness. Connect the two-pin connector of the T-harness to the amplifier harness. Fig 10
Install the supplied foam onto both sides of the speaker baffle as shown in Fig 11
3/4"
5/8"
Rear of vehicle
(.750)
(.625)
1-1/2"
(1.5)
T-harness
Fig 11
Fig 10
Temporarily install the speaker baffle and loosely
install all six supplied replacement bolts. Fig 12
1/8"
(.125)
Make sure the speaker baffle is perfectly mated to
the tailgate and tighten the two center bolts.
Predrill the four pilot holes for the supplied fine-
threaded screws using a 1/8 (.125) drill bit and then
remove the bolts and speaker baffle. Fig12
Note: Take care to control drill as it
penetrates metal to avoid hitting wires.
Fig 12
Reposition the step. Fig 13
Fig 13
5