1. Body wiring harness: Walking against the floor from the left side of the cab, connecting the fuel tank sensor and rear taillights.
2. Engine wiring harness: connect various sensors and actuators on the engine and surround the engine.
3. Instrument panel wiring harness: connect with the body or chassis wiring harness, and walk along the pipe beam to connect various electrical devices on the instrument panel such as instrument clusters, air conditioning switches, receivers, cigarette lighters, etc.
4. Door wiring harness: connect all electrical devices on the inner panel of the door, such as central locks, glass regulators, speakers, etc.
5. Front fence harness: come from the cab, connect the front peripheral electrical devices such as side turn signals and front combination lights, horns, electronic fans, etc. along the fenders and front bumper frame.
6. Automotive wiring harnesses are generally designed as H-type and E-type, and simpler ones are also designed as T-shaped.
