Common Failures of BYD 1266918200 Door wiring harness for Atto3 PRO EV/Yuan PRO EV
- Wiring Breakage: In Atto3 PRO EV and Yuan PRO EV with OE number 1266918200, the door wiring harness often breaks due to frequent door opening and closing.
- Short - circuit Issues: Electrical short - circuits are common in the door wiring harness of these models. It can lead to malfunctions in door - related electrical components.
- Connection Loosening: The connections of the 1266918200 door wiring harness may loosen over time, causing intermittent electrical problems.
Maintenance Tips of BYD 1266918200 Door wiring harness for Atto3 PRO EV/Yuan PRO EV
- First, ensure the vehicle is powered off before starting to replace the BYD Atto3 PRO EV/Yuan PRO EV door wiring harness (OE# 1266918200). This prevents electrical shock and damage to the harness.
- Next, carefully remove the door panel. Use appropriate tools to avoid scratching the panel. The door wiring harness is usually located behind the panel.
- Then, identify the connectors of the old door wiring harness. Mark them clearly so that you can reconnect the new one correctly. BYD's OEM harnesses ensure a proper fit.
- After that, gently disconnect the old harness from the connectors. Check for any signs of damage or corrosion on the connectors.
- Finally, install the new door wiring harness (OE# 1266918200) in the reverse order of removal. Make sure all connections are secure and the harness is properly routed.
Electrical Shock Warning – The door wiring harness carries high - voltage electricity in EVs. Always follow safety procedures and wear insulated gloves during installation.