Inner components
1
Main battery positive and negative cables
2
Controller connector
3
Motor U/V/W phase wires
4
Hall sensor wiring
5
Charger connector
6
Low-voltage connectors
7
Fuse holder
8
DC-DC converter connector
9
CAN communication wiring
10
Sensor connectors
11
Ground / earth connection
12
Ring terminals
13
Waterproof connectors
14
Protective corrugated tubing
15
Heat-shrink sleeves
16
Cable clips and ties
Diagnostic tips
1
Check continuity and resistance of critical wiring.
2
Inspect connectors for loose pins, corrosion and burn marks.
3
Check CAN-H and CAN-L wiring for correct continuity and termination.
4
Keep high-current power cables separated from sensitive signal wiring where appropriate.
5
Protect harnesses from heat, vibration, sharp edges and water.
6
Use correct wire gauge for the current requirement.
7
Avoid unnecessary splices and poorly crimped terminals.
8
Follow the vehicle-specific wiring diagram and connector pinout.
