【1】Installation Precautions
【2】Common Problems and Solutions
Main control box lights not working
Auxiliary box lights not working
Door lights don't synchronously turn off when ACC is off
Solution: Use consistent power source for all four doors - either all constant 12V or all ACC 12V
Abnormal light color/brightness
Solution: Check wiring connections and replace light strip/head if necessary
Pairing interference when installing multiple vehicles in close proximity
【3】Main Control Wiring and Power Connection Guide

Central Control Protocol Wiring
【2P】 connector: 12V power supply
Black wire (GND): Connect to ground/chassis
Red wire (+12V): Connect to vehicle ACC
【3P】 connector: Light strip sourceConnect split power cable to driver's side (25cm) and passenger side (90cm) strips
【4P】 connector: Front footwell lights
Connect split power cable to driver and passenger footwell lights

Additional set of connectors:
【2P】 connector: 12V power supply
Black wire (GND): Connect to ground/chassis
Red wire (+12V): Connect to ACC or constant 12V
Note: Use consistent power source for all doors
【3P】 connector: Connect to door light strips (75cm)
【4】Light Strip Instructions

【5】Recommended Installation Positions (Varies by vehicle model - refer to actual vehicle. Following positions are for reference only)
Passenger seat position


Driver's seat (use 3M adhesive if no gaps available)

Footwell lights (secure with 3M adhesive or wire ties)

Door installation position
Note: Some older vehicles lack door power sources - separate wiring to alternative power source may be needed



Recommended power sources: Door: Door handle connector (verify 12V)

Central control: head unit ACC or fuse box (verify 12V)

Wrap all control boxes and wiring with felt tape for insulation and securing

【6】Head unit Control Instructions
Select "DUDUAUTO Ambient Light" in ambient light types and pair Bluetooth device to use. Note that scene linking requires original vehicle CANBUS support, otherwise some scenes will be unavailable

【7】Mobile Phone Control Instructions
Scan QR code to download the APP. Note: The ambient light system can only connect to one device at a time - when using mobile phone control, head unit control will be unavailable
