AE49, AE50, AE51, AE52 I/O-EB Multiplex
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modules;
Vehicle Electrical Center Rear (VECR);
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Master relay R1;
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12V ignition relay R3;
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Starter relay;
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Relays and fuses;
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Battery equalizer;
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12VD & 24 VD current sensors.
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FIGURE 10: MAIN POWER COMPARTMENT (TYPICAL)
Main power compartment (typical)
DOB 1300-1556
FIGURE 11: 12VD / 24VD CURRENT SENSORS IN MPC
(TYPICAL)
12vd / 24vd CURRENT SENSORS IN MPC
(typical)
FIGURE 12: MAIN CIRCUIT BREAKERS IN MPC
(TYPICAL)
MAIN CIRCUIT BREAKERS IN MPC (typical)
ENGINE RADIATOR DOOR
The engine radiator door gives access to the
radiator electrical fans and power distribution
box.
FIGURE 13: RADIATOR DOOR
PA-1639 Operator's Manual 2020 X3-45 Commuter
Coach Exterior 2-11