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31
STEP 3 - ATTACH OPTIONAL BATTERY BOX & FRAME 
TO VEHICLE (IF EQUIPPED)
1. Liftgate and optional 
battery box are typically 
installed on trucks as 
shown in FIG. 31-1. See 
the following page for 
battery and cable con-
nections.
LIFTGATE
LIFTGATE
POWER UNIT
RECOMMENDED LIFTGATE & BATTERY BOX 
INSTALLATION ON TRUCK
FIG. 31-1
CIRCUIT
BREAKER
RECOMMENDED CONFIGURATION
NOTE: Make sure the Liftgate power unit, and all batteries on the vehicle for the 
power unit, are connected correctly to a common chassis ground.
175 AMP
 FUSED CABLE
TRUCK BATTERIES,
TYPICAL LOCATION
175 AMP
 FUSED CABLE
 OPTIONAL 
BATTERY BOX,
 TYPICAL LOCATION