This task covers:
Shop Equipment, Automotive Maintenance and
Power shut off, rear control panel and power
Shop Equipment: Electrical Equipment
ECV parking brake set.
ECV battery ground cable disconnected
(see TM 9-2320-387-24).
CBPS contains high electrical currents. To prevent electrical shock when working on
electrical system, ensure that power cable is disconnected from power panel and ECV
batteries are disconnected per TM 9-2320-387-24. Tag power panel and battery area with
sign that states that the power must remain OFF while work is being performed.
Remove jewelry and observe all safety rules for working around high voltage.
Remove/disassemble only to the extent necessary to remove or replace defective
assemblies/components. Use standard maintenance shop practices/procedures.
Lift passenger side storage box door assembly to gain access to relay box.
Disconnect connector 1A4W1P2 from electrical connector J1 (1) on relay box.
Remove ten screws (2), ten lockwashers (3) and ten flat washers (4) securing cover (5) to relay
box (6). Discard ten lockwashers (3).
Remove eight screws (7), eight lockwashers (8) and eight flat washers (9) securing relay box (6)
to LMS wall, inside of passenger side storage box. Discard eight lockwashers (8).
Tag wires and remove two nuts (10), two lockwashers (11) and two flat washers (12) securing
two terminal lugs (13) and wires to relay A17K1 (14).
Tag wires and remove two nuts (15), two lockwashers (16) and two flat washers (17) securing
four terminal lugs (18) and wires to relay A17K1 (14).
Remove two screws (19), two lockwashers (20), two flat washers (21) and two nuts (22) securing
relay (14) to relay box (6). Discard two lockwashers (20).