PREVOST X3-45 COMMUTER User Manual

SECTION 06: ELECTRICAL
DOB 1300-1556 | X3-45 Commuter PA-1648 Maintenance Manual Section 06 revised release October 2021
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8.1 MAIN POWER COMPARTMENT (RJB)
The main power compartment (a.k.a. rear
junction box) and battery installation (Figure 14)
are accessible from the engine compartment
curb-side door.
The batteries are housed and secured on the
engine R.H side deck. The battery posts and
connections are protected by a watertight cover.
The cover is fitted with a built-in vent. The cover
can be unlocked and then removed with the use
of the same type of hardware that allows
opening and closing of the rear fender. Refer to
paragraph 9.5 Battery Removal and Installation
for the battery removal procedure.
FIGURE 14: ENGINE R.H. SIDE COMPARTMENT
The main power compartment panel provides
access to the following:
• Rear 12VD, 24VD junction blocks;
• Main circuit breakers;
• AE49, AE50, AE51, AE52 I/O-EB Multiplex
modules;
• Vehicle Electrical Center Rear (VECR);
• Master relay R1;
• 12V ignition relay R3;
• Starter relay;
• Relays and fuses;
• Battery equalizer;
• 12VD & 24 VD current sensors;
FIGURE 15: MAIN POWER COMPARTMENT
FIGURE 16: 12VD / 24VD CURRENT SENSORS IN MPC
FIGURE 17: MAIN CIRCUIT BREAKERS IN MPC

PREVOST X3-45 COMMUTER Specifications

General

Engine	Volvo D13
Transmission	Allison B500
Fuel Type	Diesel
Length	45 ft (13.7 m)
Width	102 in (2.6 m)
Horsepower	500 hp
GVWR	54, 000 lbs
Height	141 in