1. Introduction
Thank you for purchasing the TrackerKing EC35 4G GPS Tracker. This manual provides detailed instructions on how to operate the device smoothly and correctly. Please read this manual carefully before using this product. Specifications and information are subject to change without prior notice. The manufacturer assumes no responsibility for any errors or omissions in this document.
The EC35 is a robust 4G GPS tracker designed for vehicles such as cars, SUVs, trucks, and buses. It features IP67/IP68 waterproofing, real-time tracking, remote engine cut-off, geo-fencing, and various alarm functions to enhance vehicle security and management.
2. Safety Information
- Ensure all wiring is correctly connected to avoid damage to the device or vehicle electrical system.
- Do not attempt to open or modify the device, as this will void the warranty and may cause malfunction.
- Keep the device away from extreme temperatures and corrosive substances.
- Only use the device within its specified voltage range (9V-80V).
3. Package Contents
Upon opening the package, please verify that all items are present and in good condition. If any items are missing or damaged, please contact your supplier.
Typically, the package includes:
- TrackerKing EC35 4G GPS Tracker
- Wiring Harness
- User Manual (this document)
4. Specifications
The following table details the technical specifications of the EC35 GPS Tracker:
| Feature | Specification |
|---|---|
| Dimensions | 75mm * 33mm * 16mm (L*W*H) |
| Weight | 50g |
| Network | 4G+2G network |
| Band | LTE-FDD B1/B2/B3/B4/B5/B7/B8/B28/B66, GSM 850/900/1800/1900MHz |
| GPS Accuracy | 5m |
| Work Voltage | 9V-80V |
| Battery Life | 10 To 19 Hours (internal battery) |
| Special Features | IP67/IP68 Waterproof, ACC Detection, Remote Cut Engine, Geo-fence, Over-speed Alarm, Vibration Alarm |
| Platform | www.trackerking.net |
| App | TrackerKing |
5. Setup & Installation
5.1 Quick Start Guide
- Open the device case and properly insert a GSM SIM card.
- Connect the external power supply.
- Ensure the small switch inside the SIM card hole is turned ON.
- Place the device outdoors. Within approximately 30 seconds, three indicator lights will remain lit, indicating the device is working normally.
5.2 SIM Card Installation
Before turning on the device power switch, insert a GSM SIM card into the device. Please ensure:
- The SIM card has GPRS function enabled.
- The SIM card has sufficient balance.
5.3 Wiring Requirements
Refer to the diagram below for correct wiring connections. Incorrect wiring can damage the device or vehicle.
Wiring Key:
- Red Wire (V+): Connect to the positive pole of the vehicle's power supply (9-80V).
- Black Wire (V-): Connect to the negative pole of the vehicle's power supply.
- Orange Wire (ACC): Connect to the vehicle's ACC (Accessory) line for ignition detection.
- Yellow Wire (OIL): Connect to the 12/24V relay for remote engine cut-off functionality.
- Green Wire (DIN2): Connect to the oil pump.
- White Wire (5V out): 5V output.
5.4 Device Placement
For optimal GPS signal reception, the device's front side must face the sky. Consider the following placement guidelines:
- Recommended Locations: Under the front windshield, under the rear windshield, or around the dashboard.
- Avoid Obstructions: If the vehicle's windscreen is glued with a metal thermal insulation layer or heating layer, it may reduce the GPS signal reception and lead to GPS work disorder. Choose a location with minimal metallic obstruction.
6. Operation
6.1 Device Light Description
The EC35 tracker uses indicator lights to communicate its status:
| Light Color | Represents |
|---|---|
| Yellow | GSM signal normal |
| Blue | GPS signal normal |
| Red | Power |
6.2 Real-time Tracking
The TrackerKing EC35 allows you to monitor your vehicle's location in real-time via a mobile application or web platform.
6.3 Engine Shut-off
For enhanced security, the device supports remote engine shut-off functionality. You can send commands through the mobile app or web platform to control the vehicle's engine.
6.4 Tracking Platform and Mobile App
Access detailed tracking information and control features through the official TrackerKing platform and mobile application.
- Web Platform: Visit www.trackerking.net for further details and login.
- Mobile App: Search for "Tracker King" in the Google Play Store or Apple App Store to download the official application.
6.5 SMS Command List
The EC35 tracker can be configured and controlled using various SMS commands. Below is a summary of common commands. For a complete list and detailed usage, please refer to the full user manual PDF.
| Number | Functional Item | SMS Command | Command Reply |
|---|---|---|---|
| 1 | Restore initial settings (except IP, port, APN) | FORMAT | FORMAT |
| 2 | APN query | APN# | Reply: APN:cmnet,, |
| 3 | APN set | APN,cmnet,aaa,bbb# | Reply: APN:cmnet,, (Example: APN,cmnet,internet,cmnet#) |
| 4 | Server parameter query | SERVER# | Reply: SERVER:0,103.44.239.119,8011,0 |
| 11 | Oil and electricity control | RELAY,1# (1 disconnect oil and electricity) | Reply: RELAY 1 OK |
| 30 | Turn on vibration alarm settings | SENALM,A,M# (A=ON, M=0~2) | SMS: SENALM,ON,2# |
| 45 | Turn on ACC ignition on alarm | ACCALM,A,M# (A=ON, M=0~3) | SMS: ACCALM,ON,3# |
For the complete list of SMS commands, please download the full user manual PDF: EC35 User Manual (PDF)
7. Maintenance
7.1 Waterproofing
The EC35 tracker boasts an IP67/IP68 waterproof rating, featuring a silicone seal at the wiring connection, a waterproof connector, and a waterproof mainboard. This triple waterproof design ensures durability against harsh weather conditions, including thunderstorms.
Watch the waterproof test video to see the EC35 in action:
7.2 General Care
- Regularly check all wiring connections to ensure they are secure.
- Clean the device exterior with a soft, dry cloth. Avoid using harsh chemicals.
- Ensure the SIM card slot cover is always securely closed to maintain waterproofing.
8. Troubleshooting
If you encounter issues with your TrackerKing EC35, consider the following common troubleshooting steps:
- No Power/Device Not Turning On: Check all power connections. Ensure the vehicle's battery is charged and providing power within the 9V-80V range. Verify the internal switch is ON.
- No GPS Signal: Ensure the device is placed with its front side facing the sky and has a clear view of the sky. Avoid installation under metallic obstructions (e.g., metal-tinted windshields). Allow up to 45 seconds for a cold start to acquire GPS signal.
- No GSM Signal: Check if the SIM card is correctly inserted and has GPRS function enabled and sufficient balance. Ensure you are in an area with 4G/2G network coverage.
- Inaccurate Tracking: This could be due to poor GPS signal. Relocate the device to a more open area.
- Alarms Not Functioning: Verify that the specific alarm settings (e.g., Geo-fence, Over-speed, Vibration, Low Battery, ACC ignition) are correctly configured via SMS commands or the tracking platform/app.
- Remote Engine Cut-off Not Working: Ensure the yellow wire is correctly connected to the 12/24V relay and the relay is functioning. Check the SMS command syntax or app command status.
If problems persist, please consult the full user manual PDF or contact customer support.
9. User Tips
- Optimal Placement: While the device is waterproof, placing it in a location that minimizes direct exposure to extreme elements (e.g., direct sun for prolonged periods, heavy vibrations) can extend its lifespan.
- SIM Card Management: Regularly check your SIM card's balance and data plan to ensure uninterrupted tracking service.
- Platform Features: Explore all features of the TrackerKing web platform and mobile app, such as historical route playback, geo-fence setup, and various alert configurations, to maximize the utility of your tracker.
10. Warranty & Support
The TrackerKing EC35 GPS Tracker comes with an 18-month warranty.
For any inquiries, technical assistance, or warranty claims, please contact your supplier or refer to the official TrackerKing support channels:
- Website: www.trackerking.net
- Customer Support: 24/7 customer support is available.
- User Manual (PDF): A comprehensive PDF version of this manual is available for download: EC35 User Manual (PDF)