D Group 37 Electrical Schematic Schematic Index AA Power supply, starting and charging system (1 of 2) Fig. 1: AA page 7 AB Power supply, starting and charging system (2 of 2) Fig. 2: AB page 8 AC Grounding Fig. 3: AC page 9 AD Starting and Charging Fig. 4: AD page 10 AE Engine Management System (EMS) Power Fig. 5: AE page 11 BA Vehicle ECU (1 of 2) Fig. 6: BA page 12 BB Vehicle ECU (2 of 2) Fig. 7: BB page 13 BC Instrument cluster, Connectors A and B Fig. 8: BC page 14 BD Instrument cluster, Connector C Fig. 9: BD page 15 BE Instrumentation, Qualcomm Fig. 10: BE page 16 BF Instrumentation, Volvo Link Fig. 11: BF page 17 BG Bodybuilder Options, VHD Fig. 12: BG page 18 BH Road Relay Fig. 13:
BH page 19 BI Bodybuilder Module Fig. 14: BI page 20 BJ Touch Lock Fig. 15: BJ page 21 BK Secondary Instrument Cluster Fig. 16: BK page 22 BL Instrumentation Mobile Max II Fig. 17: BL page 23 CA Ether Start/Engine Heater Fig. 18: CA page 24 CB Engine Interface, VED12/VED16 Fig. 19: CB page 25 CC Engine Control, ISX and ICON Fig. 20: CC page 26 CD Actively Pressurized Coolant System Fig. 21: CD page 27 CE Fuel filter heater Fig. 22: CE page 28 CF Engine brake switches Fig. 23: CF page 29 CH Inside/outside air cleaner, VHD Fig. 24: CH page 30 CI Engine Control, Cummins ISX without ICON Fig. 25: CI page 31 CO Engine Electronics, D12D Fig. 26: CO page 32 CU Volvo Temp A Start Fig. 27:
CU page 33 DB Transmission ECU, Autoshift II Fig. 28: DB page 34 DC Transmission ECU, Lightning Fig. 29: DC page 35 DD Transmission ECU, Meritor Fig. 30: DD page 36 DE Transmission ECU, Allison, VHD (1 of 2) Fig. 31: DE page 37 DF Transmission ECU, Allison, VHD (2 of 2) Fig. 32: DF page 38 DG Transmission ECU, Freedomline Fig. 33: DG page 39 DP PTO Fig. 34: DP page 40 EA ABS ECU Fig. 35: EA page 41 EB Suspension ECU 6x2 Fig. 36: EB page 42 4