TM 10-3930-659-20 6-12. ELECTRICAL LOAD CENTER REPLACEMENT (Con't). b. INSTALLATION 1. Install secondary steering controller (40) to load center plate (4) with four new lockwashers (44) and nuts (45). NOTE Install two clamps as necessary. 2. Install air compressor wiring harness ground wire (43) and load center plate (4) on cab with four washers (42) 3. Connect secondary steering controller connector (39) to load center wiring harness connector (38). 4. Install two grommets (34), four washers (33), two seals (32), and buss bar (29) with two screws (35) and nuts 5. Install eight load center wiring harness terminal leads (28) on buss bar (29) with four screws (36). 6. Install cover (27) on buss bar (29) with two screws (37) and nuts (30). TA707730 6-39