TM 10-3930-659-20 6-67. STE/ICE CHASSIS WIRING HARNESS MAINTENANCE (Con't). b. REMOVAL NOTE Remove clamps and tie-down straps as necessary. 1. Disconnect five blackout light switch connectors (1) from blackout light switch (2). 2. Disconnect  two  fuse  block  connectors  (4)  from STE/ICE chassis wiring harness connectors (3). 6-252