TM 10-3930-659-20 6-64. UPPER WORKLIGHT WIRING HARNESS MAINTENANCE (Con't). c. INSTALLATION 1. Position upper worklight wiring harness on forklift truck. 2. Connect upper worklight wiring harness connector (9) to lower worklight wiring harness (10). 3. Connect upper worklight wiring harness connector (7) to left rear worklight connector (8). TA707904 6-240