TM 10-3930-659-20 6-60. ENGINE FRAME WIRING HARNESS MAINTENANCE (Con't). 7. Disconnect transmission clutch cutoff valve solenoid wiring harness connector (16) from transmission clutch 8. Disconnect four engine frame wiring harness connectors (18) from load center wiring harness connectors (17). 9. Disconnect engine frame wiring harness connector (19) from under cab wiring harness connector (20). 10. Remove engine frame wiring harness from forklift truck. TA707886 6-218