TM 10-3930-659-20 6-18. AIR COMPRESSOR WIRING HAR 5. Remove  two  screws  (17)  and  cover  (16)  from buss bar (13). 6. Remove screw (15) and air compressor terminal lead (14) from buss bar (13). 7. Remove  two  rubber  boots  (23),  screws  (18),  clips  (19),  and  air  compressor  relay  terminal  leads  (20)  from  air compressor relay (21). 8. Disconnect air compressor relay connector (22) from air compressor relay (21). 9. Remove air compressor wiring harness from forklift truck. TA707780 6-94