PREVOST X3-45 Multiplex User Manual

Section 06: ELECTRICAL
PA1562
10
Rear Electrical Compartment
Multiplex Modules
A49 I/O-A A52 I/O-B
A50 I/O-B A53 I/O-B
A51 I/O-B A54 I/O-B
Spare I/O-B
Relays
R1 Master relay R15 Aisle & Emerg. Lts
R2 ZF Trans. R17 12V Rr wake-up
R3 12V IGN & A/C R20 Water Pump Relay
R5 Preheat / Charger R26 Water Pre-heater
Realy
R6 Direct lights R21 Emergency cut-out
R8 Service brakes R30 Luggage Door Lock
R10 Condenser Fan Sp. 2 R31 Luggage Door Lock
R11 ZF Trans. Ign. R32 Luggage Door
Unlock
R12 Evaporator Fan R33 Luggage Door
Unlock
R13 Indirect lights Rxx Spare
R14 Reading lights
Fuses
F50 Engine Pre-heating F69 Overhead storage
compartment lighting
RH & LH
F51 Engine Pre-heating F70 Customer (24VI)
F52 ZF Trans. F71 Spare fuse
F53 Power Mux A54 F72 Power Mux A50
F54 Customer (24VD) F73 Spare fuse
F55 Aisle & emergency
lights
F74 ECM engine IGN
F56 Indirect lights F75 ECU trans IGN
F57 Indirect lights F76 Customer (12VI)
F58 Direct lights F77 ECU transmission
wake-up
F59 Direct lights F78 MCM engine wake-
up
F60 Reading Lamp RH F79 MCM engine wake-
up
F61 Reading Lamp LH F80 Power Mux A51
F62 Lavatory night light F81 Alternators excitation
resistor
F63 Engine Pre-heater F85 ZF Trans.
F64 Spare F86 Spare fuse
F65 Power Mux Module
RJB
F87 Spare fuse
F66 Radiator Fan Clutch F88 Spare fuse
F67 Power Mux A54 F89 Spare fuse
F68 Power Mux A54
Resistors
RES13 Excit. res. ALT-1 RES16 Rear marker lights
RES14 Excit. res. ALT-2 RES17 Rear marker lights
Diodes
D6 Master relay D29 Unloader RH
D9 Water Pre-Heater D31 Main A/C Clutch
D10 Water Pre-Heater D33 Toilet flush pump
D11 Pass. Liq. Valve D36 Fan Clutch 2
D15 Wake-up mode D37 Fan Clutch 1
D17 Luggage 4-Cmpt D49 Parcel Rack
D19 Luggage 2-Cmpt D67 Rear Lights
D20 Luggage 1-Cmpt D68 Rear Lights
D23 Condenser fans D69 Rear Lights
D24 Condenser fans D70 Rear Lights
D28 Unloader LH DXX Not used
FIGURE 5: REAR ELECTRICAL COMPARTMENT 06634
2.3 FRONT ELECTRICAL AND SERVICE
COMPARTMENT
The front electrical and service compartment is
located on L.H. side of vehicle, under the
driver's window. It contains the following
components (Fig. 6):
• Front terminal block;
• CECM;
• Vehicle Electrical Center Front (VECF) and
Multiplex Modules;
• Relays and fuses;
• ABS Electronic Control Unit (ECU);
• Common Powertrain Controller (CPC);
• VECU with Volvo D13 engine;

PREVOST X3-45 Multiplex Specifications

General

Length	45 ft
Width	102 in
Engine	Volvo D13
Horsepower	500 hp
GVWR	54, 000 lbs
Height	146 in
Sleeping Capacity	Varies based on floor plan
Water Capacity	Varies based on floor plan