Platform Software Mobile App User Guide—Chinese Version
Platform Software Mobile App User Guide—Chinese Version
Installation Guides
GPS Tracker Installation Guide
Step-by-step GPS tracker installation with wiring diagrams. Learn how to install a GPS tracker, vehicle GPS tracker wiring, hardwired GPS tracker installation, ACC wire and relay wiring.
GPS tracker wiring diagram
Standard hardwired GPS tracker wiring. Different models may use different wire definitions, so always check the specific model page before installation.
| Wire | Connect to |
|---|---|
| Red | Battery Positive (+) |
| Black | Ground (-) |
| Orange | ACC (Ignition) |
| Yellow | Relay / Immobilizer |
| Green | Digital Input 1 |
| Blue | Analog Input |
Tips
- Install an appropriate fuse on the positive power wire.
- The ACC wire lets the tracker detect ignition status and improves trip and parking reports.
- The immobilizer relay should be installed by a qualified technician when remote cut-off is supported.
- Keep GNSS and cellular antennas away from heavy metal shielding and unnecessary interference.
Installation steps
- 1
Prepare
Park safely, isolate the vehicle power as appropriate, and prepare the required wiring tools and fuse.
- 2
Power
Connect positive power through a fuse and connect ground to a clean chassis ground point.
- 3
ACC
Connect the ACC or ignition input so the tracker can determine engine on/off status.
- 4
Relay
If remote cut-off is supported, wire the relay according to the device diagram and local safety requirements.
- 5
Antenna
Install GNSS and cellular antennas where reception is strong and avoid metal shielding.
- 6
SIM & test
Insert a suitable data SIM, power on the device, and confirm data reaches the platform before final mounting.
Installation Tutorial Videos
Platform Software Mobile App User Guide—English Version
Platform Software Mobile App User Guide—English Version
Installation Method for Huwen FOFN Fuel Level Monitoring Bluetooth Sensor (English Version)
Installation Method for Huwen FOFN Fuel Level Monitoring Bluetooth Sensor (English Version)
Installation Method for Huwen FOFN Fuel Level Monitoring Bluetooth Sensor (Chinese Version)
Installation Method for Huwen FOFN Fuel Level Monitoring Bluetooth Sensor (Chinese Version)
Huwen FOFN Capacitive Fuel Level Monitoring Sensor Wiring and Installation Guide (Chinese Version)
Step-by-step installation tutorial with real-world photos: installing the capacitive fuel level sensor and GPS host
Huwen FOFN Capacitive Fuel Level Monitoring Sensor Installation Guide (English Version)
Step-by-step installation tutorial with real-life footage—how to install the capacitive fuel level sensor and GPS host. English voiceover.