Overview
This article provides step-by-step installation instructions for the GS-450 plug-and-play tracking device. Follow all steps in order to ensure a secure connection, successful activation, and accurate data reporting.
Who this guide is for:
Installers, mechanics, or administrators responsible for setting up GS-450 OBD-II devices in on-road trucks or support vehicles.
Required Tools and Hardware
Before beginning, verify that you have the following:
Zip ties
Electrical tape
Adjustable pliers or flathead screwdriver
GS-450 device
Y-harness (included with shipment)
Tip: Always ensure the vehicle is safely parked and powered off before starting installation.
Step-by-Step Installation
1 Preparation
Before beginning the installation:
Confirm all required tools and materials are present.
Ensure the vehicle is safely parked, powered off, and stable.
2 Locate the OBDII Port
Locate the vehicle’s OBDII diagnostic port.
This is typically found beneath the dashboard, near the steering column or driver’s footwell area.
3 Remove the OEM OBDII Port
The OEM port is usually clipped into a mounting bracket.
Use adjustable pliers or a flathead screwdriver to gently press down on the retaining clips.
Carefully remove the OEM port from its mount without damaging the connector or surrounding components.
4 Install the Y-Harness
Insert one side of the Y-harness into the original bracket location where the OEM port was mounted.
Connect the other side of the Y-harness to the OEM OBDII port that was just removed.
This setup allows diagnostic tools to still access the system when needed.
5 Connect the GS-450 Device
Plug the GS-450 device into the open connector on the Y-harness.
(Optional but recommended) Secure the connection with electrical tape to prevent it from loosening due to vibration.
6 Initialize the Device
Once connected, allow 5–10 minutes for the device to power up, check for software updates, and establish communication with the ECM.
During this time, indicator lights may flash as the device initializes.
7 Verify Operation
Start the truck and open the mobile app.
Use the Verify GPS Device feature to confirm the GS-450 is transmitting data correctly.
In the app, verify the reception of engine running packets (typically every minute).
Let the engine run for 10–15 minutes to ensure consistent communication and stable data reporting.
Turn off the engine and verify that an engine stopped packet is received.
(See the Verify GPS Device article for full step-by-step instructions.)
8 Mount the Device
Once verified, route the device and harness securely inside the dash area.
Mount the GS-450 as high as possible — preferably near the windshield — for strong GPS and cellular reception.
Use zip ties to fasten the device and secure excess harness away from sharp edges or moving parts.
9 Final Verification and Coupling
Start the vehicle again to perform a final operational check.
Confirm that the lights on the GS-450 indicate proper connectivity and that all data points (engine status, GPS, cellular) are reporting correctly.
Once connectivity is confirmed, open the mobile app and couple the device to the correct equipment:
From the home screen, tap Devices > Field Service Ticket.
Enter the required information, including:
Hour meter reading
Odometer reading (if applicable)
(See the Field Service Ticket article for detailed steps.)
Verify that the equipment information entered in the app matches your database record.
Once complete, the GS-450 is fully installed, verified, and ready for service.
FAQs Fin Can Answer
Q: What type of device is the GS-450?
→ The GS-450 is an OBD-II plug-and-play GPS tracker designed for light-duty trucks and on-road vehicles.
Q: How long does the GS-450 take to initialize?
→ About 5–10 minutes for power-up, ECM connection, and GPS signal acquisition.
Q: How do I verify the GS-450 is reporting correctly?
→ Use Verify GPS Device in the mobile app to confirm GPS lock and engine status.
Q: Where should the GS-450 be mounted?
→ Near the windshield or upper dash for the strongest GPS and cellular signals.
Q: How do I couple the GS-450 with equipment?
→ In the mobile app, go to Devices > Field Service Ticket and enter hour/odometer readings to complete the coupling process.
Q: Do I need to secure the GS-450 connection?
→ Yes — use electrical tape and zip ties to prevent vibration-related disconnection.
📞 Need Help?
Email: support@fleetwatcher.com