TABLE OF CONTENTS
SUMMARY OF CHANGES: M-18-08, REVISION B ............................................................. 4
WARNINGS ........................................................................................................................... 5
SAFETY INSTRUCTIONS .................................................................................................... 6
NOTICE ................................................................................................................................. 6
STANDARD LIFTGATE COMPONENTS .............................................................................. 7
GPSLR & GPSLRT INSTALLATION PARTS BOXES............................................................ 9
GPSLR PARTS BOX FOR TRAILERS ................................................................................ 10
GPSLRT PARTS BOX FOR TRUCKS ..................................................................................11
ELECTRICAL ASSEMBLY KITS .......................................................................................... 12
VEHICLE REQUIREMENTS FOR TRAILERS ................................................................... 14
INSTALLATION GUIDELINES FOR TRAILERS.................................................................. 16
STEP 1 - INSTALLING LIFTGATE ON TRAILERS ............................................................. 19
INITIAL MOUNTING ADJUSTMENTS BASED ON BED HEIGHT ...................... 19
WELD GUSSETS TO TRAILER .......................................................................... 24
WELD HANDLE SUPPORT ANGLE TO TRAILER .............................................. 26
VEHICLE REQUIREMENTS FOR TRUCKS ...................................................................... 27
INSTALLATION GUIDELINES FOR TRUCKS .................................................................... 29
STEP 1 - INSTALLING LIFTGATE ON TRUCKS  ............................................................... 31
WELD HANDLE SUPPORT ANGLE TO TRUCK ................................................ 40
STEP 2 - WELD J-BOX TO UNDERBODY ......................................................................... 41
STEP 3 - ATTACH CONTROL SWITCHES ......................................................................... 44
STEP 4 - RUN POWER CABLE .......................................................................................... 50
STEP 5 - CONNECT POWER & GROUND CABLES TO J-BOX ........................................ 51
STEP 6 - ATTACH STOW LIGHT TO TRAILER  ................................................................. 54
STEP 7 - PLATFORM ADJUSTMENT ................................................................................. 57
STEP 8 - ATTACH SLIDING AXLE STOPS (IF REQUIRED) .............................................. 62
STEP 9 - ATTACH SAFETY CHAIN .................................................................................... 63