Starting and Charging Schematics (Except HP2)
For wiring diagrams, see SYSTEM WIRING DIAGRAMS .
Scheme 3
Scheme 4
Scheme 5
Scheme 6
Scheme 7
Scheme 8
Scheme 9
Scheme 10
| Callout | Component Name |
|---|---|
| 1 | Junction Block - Underhood |
| 2 | Battery - Left |
Scheme 11
| Callout | Component Name |
|---|---|
| 1 | Auxiliary Battery Relay w/TP2 |
| 2 | A/C Accumulator |
| 3 | A/C Low Pressure Switch |
| 4 | Inner Wheel Well |
| 5 | Coolant Level Switch Connector 6.6L and 8.1L |
| 6 | Mass Air Flow (MAF) Sensor |
| 7 | Air Cleaner Assembly |
| 8 | Engine Coolant Recovery Reservoir |
| 9 | Auxiliary Battery Relay Electrical Connector w/TP2 |
Scheme 12
| Callout | Component Name |
|---|---|
| 1 | Starter Solenoid |
| 2 | Starter |
Scheme 13
| Callout | Component Name |
|---|---|
| 1 | Fuel Injector 7 |
| 2 | Glow Plug 7 |
| 3 | Fuel Injector 5 |
| 4 | Glow Plug 5 |
| 5 | Fuel Injector 3 |
| 6 | Glow Plug 3 |
| 7 | Fuel Injector 1 |
| 8 | Glow Plug 1 |
| 9 | Camshaft Position (CMP) Sensor |
| 10 | Crankshaft Position (CKP) Sensor |
| 11 | Starter |
| 12 | Starter Solenoid |
Scheme 14
| Callout | Component Name |
|---|---|
| 1 | Air Cleaner Assembly |
| 2 | Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Assembly |
| 3 | Air Inlet Tube |
| 4 | Generator |
Scheme 15
| Callout | Component Name |
|---|---|
| 1 | Generator |
| 2 | Battery Cable Junction Block |
| 3 | Battery Cable Bracket |
Scheme 16
| Callout | Component Name |
|---|---|
| 1 | Generator - Primary |
| 2 | Engine - 6.6L |
| 3 | Generator - Auxiliary - K65 or 8X5 |
Scheme 17
| Callout | Component Name |
|---|---|
| 1 | Energy Storage Control Module (ESCM) |
| 2 | 400A Fuse Holder |
| 3 | Energy Storage Box (ESB) Cooling Fan |
| 4 | Battery Cut Off |
| 5 | Voltage Sensor - 1 |
| 6 | Temperature Sensor - Battery 1 |
| 7 | C340 |
| 8 | Battery 1 |
| 9 | Voltage Sensor - 2 |
| 10 | Temperature Sensor - Battery 2 |
| 11 | Battery 2 |
| 12 | Current Sensor |
| 13 | Auxiliary Power Outlet |
| 14 | Voltage Sensor - 3 |
| 15 | Temperature Sensor - Battery 3 |
| 16 | Battery 3 |
| 17 | Voltage Sensor - 4 |
| 18 | Auxiliary Power Outlet Connector |
| 19 | C341 |
| 20 | Service Disconnect Switch |
| 21 | G311 |
| 22 | G310 |
Scheme 18
| Callout | Component Name |
|---|---|
| 1 | 3-Phase Cable |
| 2 | Power Steering Pump Harness |
| 3 | Auxiliary Battery Cable Jumpstart Lead |
| 4 | Dash Panel |
| 5 | Auxiliary Battery Cable Terminal to Fuse Block - Underhood |
| 6 | Battery Cable Terminal to Fuse Block - Underhood |
| 7 | Positive Battery Cable |
| 8 | Negative Battery Terminal |
| 9 | Power Steering Pump Connector C2 |
| 10 | G100 |
| 11 | G105 |
| 12 | Starter/Generator Rotor |
| 13 | Starter/Generator Stator |
| 14 | Battery Cable Harness |
| 15 | C121 |
| 16 | C122 |
| 17 | Starter/Generator Control Module |
Scheme 19
| Callout | Component Name |
|---|---|
| 1 | Hybrid Control Module (HCM) |
Engine Electrical Connector End Views
Auxiliary Battery Relay Terminal Identification (TP2) Connector Part Information 12052641 2-Way F Metri-Pack 150 Series (BLK) Pin Wire Color Circuit No. Function A BRN 241 Ignition 3 Voltage B BLK 550 Ground
Battery Cut Off Switch Terminal Identification (HP2) Connector Part Information 6189-1046 5-Way F TS Series, Sealed (BLK) Pin Wire Color Circuit No. Function 1 WHT 1-BCO Ground 2 WHT 2-BCO BCO Status 3 WHT 3-BCO BCO Control - A 4 WHT 4-BCO BCO Control - B 5 WHT 5-BCO Battery Positive Voltage
Clutch Start Switch Terminal Identification (M/T) Connector Part Information 12064860 6-Way F Metri-Pack 150 Series Sealed (BLK) Pin Wire Color Circuit No. Function A PPL 420 Cruise Control Release Signal B BRN/WHT 379 CPP Switch Signal C PNK 639 Ignition 1 Voltage D DK GRN 1433 Clutch Start Switch Signal E BRN 441 Ignition 3 Voltage F GRY 48 CPP Switch Signal
Current Sensor Terminal Identification (HP2) Connector Part Information 174966-2 4-Way F Multilock Series (BLK) Pin Wire Color Circuit No. Function 1 WHT 1-CS Current Sensor Signal - A 2 WHT 2-CS Current Sensor Signal - B 3 WHT 3-CS Compensating Coil Voltage 4 WHT 4-CS Low Reference
Energy Storage Box (ESB) Fan Terminal Identification (HP2) Connector Part Information 163120-0 4-Way F (BLK) Pin Wire Color Circuit No. Function 1 WHT 1-FAN Fan Speed Signal 2 WHT 2-FAN Low Reference 3 - - Not Used 4 WHT 4-FAN 5 Volt Reference
Energy Storage Control Module (ESCM) Terminal Identification - C1 (HP2) Connector Part Information 967224-C1 30-Way F (BLK) Pin Wire Color Circuit No. Function 1 WHT 1-NTC-1 Temperature Sensor Signal - 1 2 WHT 1-NTC-2 Temperature Sensor Signal - 2 3 - 7 - - Not Used 8 WHT 2-BCO BCO Control - A 9 WHT 4-BCO BCO Control - B 10 WHT 2-BCO BCO Status 11 WHT 1-BCO Ground 12 WHT 2-CS Current Sensor Signal - A 13 WHT 3-CS Compensating Coil Voltage 14 WHT 5-BCO Battery Positive Voltage 15 WHT 2-FAN Low Reference 16 - - Not Used 17 WHT 2-NTC-2 Low Reference 18 WHT 2-NTC-1 Low Reference 19 WHT 2-NTC-3 Low Reference 20 WHT 1-NTC-3 Temperature Sensor Signal - 3 21 WHT 1-R2 Voltage Sensor Signal - 2 22 - - Not Used 23 WHT 1-R1 Voltage Sensor Signal - 1 24 WHT 1-R4 Voltage Sensor Signal - 4 25 WHT 1-R3 Voltage Sensor Signal - 3 26 - - Not Used 27 WHT 1-CS Current Sensor Signal - A 28 WHT 4-CS Low Reference 29 WHT 4-FAN 5 Volt Reference 30 WHT 1-FAN Fan Speed Signal
Energy Storage Control Module (ESCM) Terminal Identification - C2 (HP2) Connector Part Information 967224-C2 48-Way F (BLK) Pin Wire Color Circuit No. Function 1 - 14 - - Not Used 15 WHT 1-CAR High Speed GMLAN Serial Data (+) 18 WHT 7-CAR Ignition 1 Voltage 19 - 23 - - Not Used 24 WHT GND-CAR Ground 25 - 38 - - Not Used 39 WHT 2-CAR High Speed GMLAN Serial Data (-) 40 - 41 - - Not Used 42 WHT 8-CAR Ignition 0 Voltage 43 - 47 - - Not Used 48 WHT 3-CAR Battery Positive Voltage
Energy Storage Control Module (ESCM) Terminal Identification - C3 (HP2) Connector Part Information 967224-C2 2-Way F (BLK) Pin Wire Color Circuit No. Function L - H - - Not Used
Generator Terminal Identification - Gas (W/SBA) Connector Part Information 12186568 4-Way F Metri-Pack 150 Series Sealed (BLK) Pin Wire Color Circuit No. Function A DK BLU 5668 Engine On Signal B BRN 25 Charge Indicator Control C GRY 23 Generator Field Duty Cycle Signal D - - Not Used
Generator Terminal Identification - Gas (W/O SBA) Connector Part Information 15355066 2-Way F Metri-Pack 150 Series Sealed (BGE) Pin Wire Color Circuit No. Function A - - Not Available B BRN 25 Charge Indicator Control C GRY 23 Generator Field Duty Cycle Signal D - - Not Available
Generator Terminal Identification - Left - Diesel Connector Part Information 15355066 2-Way F Metri-Pack 150 Series Sealed (BGE) Pin Wire Color Circuit No. Function A - - Not Available B BRN 25 Charge Indicator Control C GRY 23 Generator Field Duty Cycle Signal D - - Not Available
Generator Terminal Identification - Right - Diesel Connector Part Information 12186566 1-Way F Metri-Pack 150 Series Sealed (NAT) Pin Wire Color Circuit No. Function A - - Not Available B BRN 2524 Generator 2 Turn On Signal C-D - - Not Available
Hybrid Control Module (HCM) Terminal Identification (W/HP2) Connector Part Information 15430224 56-Way F Micro-Pack 64 Series Sealed (BLU) Pin Wire Color Circuit No. Function 1 ORN 1940 Battery Positive Voltage 2 PNK 1020 Ignition 0 Voltage 3 - 7 - - Not Used 8 PNK/BLK 109 Hood Ajar Switch Signal 9 PPL 5681 APO Switch Signal 10 - 11 - - Not Used 12 PNK 1939 Ignition 1 Voltage 13 - 27 - - Not Used 28 PPL/WHT 5687 Class 2 Serial Data 29 BLK/WHT 451 Ground 30 - 33 - - Not Used 34 ORN/BLK 1057 Low Reference 35 - 39 - - Not Used 40 TAN/WHT 2500 High Speed GMLAN Serial Data (+) 41 TAN 2501 High Speed GMLAN Serial Data (-) 42 - - Not Used 43 BLK/WHT 451 Ground 44 - - Not Used 45 YEL 5680 APO Switch Indicator Control 46 - 47 - - Not Used 48 PNK/WHT 5537 Transmission Pump Relay Control 49 PPL/WHT 5539 Power Maintain Relay Coil Control 50 - - Not Used 51 WHT 5542 Auxiliary Heater Pump Relay Control 52 BRN/WHT 5682 Low Reference 53 - - Not Used 54 TAN/WHT 2500 High Speed GMLAN Serial Data (+) 55 TAN 2501 High Speed GMLAN Serial Data (-) 56 - - Not Used
Starter/Generator Control Module SGCM Terminal Identification - C1 (HP2) Connector Part Information 15416791 2-Way F Series Sealed (BLK) Pin Wire Color Circuit No. Function A - - Not Used B - - Not Used
Starter/Generator Control Module SGCM Terminal Identification - C2 (HP2) Connector Part Information 15416792 2-Way F Series Sealed (BLK) Pin Wire Color Circuit No. Function A BLK 50 Ground B RED 102 Battery Positive Voltage
Starter/Generator Control Module SGCM Terminal Identification - C3 (HP2) Connector Part Information 15416789 2-Way F Series Sealed (BLK) Pin Wire Color Circuit No. Function A RED 5084 High Voltage Battery (+) B BLK 5691 High Voltage Battery (-)
Starter/Generator Control Module SGCM Terminal Identification - C4 (HP2) Connector Part Information 12129225 24-Way F Micro-Pack 100 Series Sealed (GRY) Pin Wire Color Circuit No. Function 1 TAN/WHT 2500 High Speed GMLAN Serial Data (+) 2 TAN/WHT 2500 High Speed GMLAN Serial Data (+) 3 - 6 - - Not Used 7 YEL/BLK 625 Starter Enable Relay Control 8 PNK 1020 Ignition 0 Voltage 9 LT BLU/BLK 647 Medium Resolution Engine Speed Signal 10 - 11 - - Not Used 12 WHT 2368 Cooling Fan Clutch Supply Voltage 13 TAN 2501 High Speed GMLAN Serial Data (-) 14 TAN 2501 High Speed GMLAN Serial Data (-) 15 - 20 - - Not Used 21 WHT 121 Engine Speed Signal 22 - 23 - - Not Used 24 PNK 2014 Coolant Pump Relay Control
Starter/Generator Control Module SGCM Terminal Identification - C5 (HP2) Connector Part Information 15416860 7-Way F GT 280/150 Series Sealed (BLK) Pin Wire Color Circuit No. Function A - - Not Used B WHT 5685 APO Neutral C ORN 5595 High Voltage Interlock Loop Signal - 2 D BLK 50 Ground E PPL 5087 High Voltage Interlock Loop Signal - 1 F DK GRN 5686 Ground G BLK 5683 APO Phase A
Temperature Sensor Terminal Identification - Battery 1 (HP2) Connector Part Information 1-968699-1 2-Way F (BLK) Pin Wire Color Circuit No. Function 1 WHT 1-NTC-1 Temperature Sensor Signal - 1 2 WHT 2-NTC-1 Low Reference
Temperature Sensor Terminal Identification - Battery 2 (HP2) Connector Part Information 1-968699-1 2-Way F (BLK) Pin Wire Color Circuit No. Function 1 WHT 1-NTC-2 Temperature Sensor Signal - 2 2 WHT 2-NTC-2 Low Reference
Temperature Sensor Terminal Identification - Battery 3 (HP2) Connector Part Information 1-968699-1 2-Way F (BLK) Pin Wire Color Circuit No. Function 1 WHT 1-NTC-3 Temperature Sensor Signal - 3 2 WHT 2-NTC-3 Low Reference
Voltage Sensor Terminal Identification - 1 (HP2) Connector Part Information 925324-2 1-Way F (WHT) Pin Wire Color Circuit No. Function A WHT 1-R1 Voltage Sensor Signal - 1
Voltage Sensor Terminal Identification - 2 (HP2) Connector Part Information 925324-2 1-Way F (WHT) Pin Wire Color Circuit No. Function A WHT 1-R2 Voltage Sensor Signal - 2
Voltage Sensor Terminal Identification - 3 (HP2) Connector Part Information 925324-2 1-Way F (WHT) Pin Wire Color Circuit No. Function A WHT 1-R3 Voltage Sensor Signal - 3
Voltage Sensor Terminal Identification - 4 (HP2) Connector Part Information 925324-2 1-Way F (WHT) Pin Wire Color Circuit No. Function A WHT 1-R4 Voltage Sensor Signal - 4