TM 10-3930-659-20 6-17. LOAD CENTER WIRING HARNESS MAINTENANCE (Con't). 13. Disconnect secondary steering relay connector (29) from secondary steering relay (28). 14. Disconnect     load     center     wiring     harness connector  (33)  from  air  compressor  wiring harness connec- tor (32). 15. Disconnect     load     center     wiring     harness connector   (30)   from   STE/ICE   load   center wiring harness connector (31). 16. Disconnect  two  load  center  wiring  harness con-   nectors   (34)   from   under   cab   wiring harness con- nectors (35). TA707764 6-77