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B&Q£10.54Visit shop B&Q - Single 1 Way 12V Bypass Relay Module For Ignition Feed Trailer Lights Etc
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This guide is for anyone using the AB Tools TR446 relay module, a single 1-way bypass relay, for towing, leisure, and other applications. It provides a simple solution for powering trailer lights and other devices from existing circuits, with a key benefit of minimal load on the vehicle's electrical system. A slight caveat: proper wiring and understanding of electrical circuits are necessary for correct installation.
| Model Part Number | TR446 |
|---|---|
| Brand | AB Tools |
It is designed to power trailer lights or other devices from the existing circuits of a vehicle while minimizing the load on the vehicle's electrical system.
The relay operates on 12V systems.
The relay has a 10A current rating.
The grey wire should be connected to the positive wire of the daytime running lights.
The white wire is to be connected to the earth/ground.
Connect the blue wire to the positive battery terminal (via a suitable fuse).
The red wire provides a switched +12v output to your device.
Yes, a suitable fuse is needed.
Check the wiring connections and ensure the relay is receiving power from the battery. Verify that the fuse is not blown.
Inspect the wiring connections at the trailer or device and ensure the relay output is properly connected. Check for any short circuits.
Check the input signal wire (e.g., from daytime running lights) to make sure it's providing a signal. Test the relay's internal components for any malfunction.
