TM 10-3930-669-20 7-51.  RELAY PANEL REPLACEMENT. This task covers: a.    Removal b. Installation INITIAL SETUP Tools and Special Tools Tool Kit, General Mechanic's: Automotive (Item 1, Appendix B) Tool Kit, Electrical (Item 2, Appendix B) Materials /Parts Tags, Identification (Item 21, Appendix C) Equipment Condition Engine OFF (TM 10-3930-669-10) Parking brake applied (TM 10-3930-669-10) Wheels chocked (TM 10-3930-669-10) Engine ventilation panel removed (Para 6-2) Batteries disconnected (Para 7-48) a. Removal WARNING Remove or disconnect batteries and turn master battery disconnect  switch  off  prior  to performing maintenance in immediate battery area or working   on   electrical   system. Such    disconnections    prevent electrical shock to personnel or equipment. (1) Remove  seven  relays  (1)  from  relay panel (2). NOTE Tag and mark all wires before removal. (2) Remove 28 wires (3) from relay panel (2). (3) Remove four screws (4), six wires (5), and    relay    panel    (2)    from    engine compartment (6). 7-120