Howo Truck Diagram - CBCU


| B7 | Fuel sensor |
| X5 | 7-hole trailer socket |
| E26L | Left turn signal |
| E26R | Right turn signal |
| B1 | Oil pressure sensor |
| B6 | Water temperature sensor |
| S32 | Oil pressure alarm switch |
| S10 | Brake switch |
| B4 | Air pressure sensor 1 |
| B5 | Air pressure sensor 2 |
| S28 | Seat belt lock signal switch |
| S30 | Spring energy storage signal switch |
| S31 | Auxiliary gas signal switch |
| B9 | Vehicle speed sensor |
| MCS | Menu knob |