Coolant Heater (K08)
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
| Callout | Component Name |
|---|---|
| 1740 | Battery Positive Voltage |
| 1740_RD/WH | 1740 RD/WH |
| CAV_A | A |
| CAV_B4 | B4 |
| CONN_X2 | X2 |
| 5986 | Serial Data Communication Enable |
| 5986_WH/D-BU | 5986 WH/D-BU |
| CAV_J | J |
| 150 | Ground |
| 150_BK | 150 BK |
| CAV_H | H |
| 7077 | Fuel Operated Heater Dosing Pump Control |
| CAV_F | F |
| 7077_D-BU/L-GN | 7077 D-BU/L-GN |
| 2501 | High Speed GMLAN Serial Data (-) 1 |
| 2501_WH | 2501 WH |
| CAV_B | B |
| 2500 | High Speed GMLAN Serial Data (+) 1 |
| 2500_BU | 2500 BU |
| CAV_C | C |
| 2501_WH | 2501 WH |
| CAV_D | D |
| 2500_BU | 2500 BU |
| CAV_E | E |
| CAV_A | A |
| 150_BK | 150 BK |
| CAV_B | B |
| G400 | G400 |
| F35UA | F35UA 15A |
| X50A | X50A Fuse Block - Underhood |
| Data_Communication_Wiring Schematics_REF | Data Communication Wiring Schematics |
| B134B | B134B Coolant Heater Combustion Sensor (K08) |
| B135 | B135 Coolant Heater Temperature Sensor (K08) |
| B134C | B134C Coolant Heater Overheat Sensor (K08) |
| B134A | B134A Coolant Heater Air Temperature Sensor (K08) |
| E20 | E20 Coolant Heater Glow Plug (K08) |
| M11 | M11 Coolant Heater Blower Motor (K08) |
| E19 | E19 Coolant Heater (K08) |
| G7 | G7 Coolant Heater Fuel Pump (K08) |
| Data_Communication_Wiring Schematics_REF | Data Communication Wiring Schematics |
| K10 | K10 Coolant Heater Control Module (K08) |