Description
PLEASE NOTE: This product is a replacement for HRN-CW03S3
Geotab 3 wire HRN-CW03K3 harness kit to connect Geotab GO tracking device to power, ground and ignition wiring*
- Includes the harness HRN-CW03S3 and a fuse kit
- Connects to any vehicle
Purpose:
- Used for installation in vehicles or assets where no engine diagnostics port is available.
- This adapter allows an alternative to connecting the GPS tracking hardware device to the engine diagnostics port
- Allows for a more covert installation. Once installed, the Geotab GO tracking device is not visible, out of sight and inaccessible to drivers and thieves.
Length: 36 inches (90 cm)
Max length of connected cables: 6.5 feet (2 meters)
*Professional installation required, please contact us if you require assistance in finding an installer.
Installation instructions here.
Frequently Asked Questions
What is the HRN-CW03K3?
The HRN-CW03K3 is a three-wire harness kit used to connect a compatible Geotab GO device to a vehicle or powered asset without using a diagnostic port or vehicle data bus.
When is the HRN-CW03K3 used?
The product is designed for vehicles and assets that do not have a compatible diagnostic port because of their age or design. Common applications include older vehicles, golf carts, generators, and other powered assets.
What comes with the HRN-CW03K3 kit?
The kit includes an HRN-CW03S3 three-wire harness and a fuse kit. The fuse kit helps simplify installation while supporting safe, fused power connections.
What do the three wires on the HRN-CW03K3 connect to?
The three wires connect to constant power, ground, and ignition. When properly connected to a GO7 or newer device, the ignition wire allows the device to detect whether the asset’s ignition is on or off.
Does the HRN-CW03K3 require professional installation?
Yes. Geotab requires the product to be installed by a Certified Geotab Installer or another qualified professional with the technical knowledge needed to complete a safe and secure installation.

