TM 10-3930-659-20 6-63. LOADER FRAME WIRING HARNESS MAINTENANCE (Con't). 9. Disconnect loader frame wiring harness connector (20) from under cab wiring harness connector (19). 10. Remove loader frame wiring harness from forklift truck. c. INSTALLATION NOTE Install clamps as necessary. 1. Position loader frame wiring harness on forklift truck. 2. Connect loader frame wiring harness connector (20) to under cab wiring harness connector (19). TA707899 6-234