Common Failures of BYD 1377263600 High voltage distribution box for Qin PLUS DM-i/Song PLUS DM-i/KING DM-i/Chazor DM-i/Seal5 DM-i/Destroyer 05 DM-i/DENZA D9 DM-i/DENZA D9 PHEV/DENZA D9 Hybrid
- Overheating Issues: The high voltage distribution box (OE: 1377263600) in Qin PLUS DM-i and other models often overheats, causing power output instability.
- Internal Short - Circuit: In some cases, the high voltage distribution box of vehicles like Song PLUS DM - i experiences internal short - circuits, leading to sudden power outages.
- Connection Loosening: Many users of KING DM - i and similar models report that the connections in the high voltage distribution box (OE: 1377263600) may loosen over time.
Maintenance Tips of BYD 1377263600 High voltage distribution box for Qin PLUS DM-i/Song PLUS DM-i/KING DM-i/Chazor DM-i/Seal5 DM-i/Destroyer 05 DM-i/DENZA D9 DM-i/DENZA D9 PHEV/DENZA D9 Hybrid
- First, before installing the BYD high voltage distribution box (OE# 1377263600) on Qin PLUS DM - i, Song PLUS DM - i and other models, ensure the vehicle's power system is completely shut down to avoid electric shock hazards.
- Secondly, check the high voltage distribution box for any visible damages or defects. A damaged box may lead to malfunctions in the vehicle's electrical system.
- Next, use the correct installation tools. Specialized high - voltage tools are recommended to ensure proper installation and avoid short - circuits.
- Then, follow the manufacturer's wiring diagram precisely. Incorrect wiring can cause serious electrical problems in BYD DM - i models.
- Finally, after installation, conduct a comprehensive electrical system test to ensure the high voltage distribution box functions properly.
High Voltage Warning – The BYD high voltage distribution box (OE# 1377263600) carries high - voltage electricity. Only trained technicians should perform the installation and always wear appropriate personal protective equipment.