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AB Tools Towbar Electrics 7 Way Bypass Relay - TR186

AB Tools Towbar Electrics 7 Way Bypass Relay - TR186

This latest smart relay is designed to work on all cars with a negative earth system. Easy to wire...

Best current price£25.95from B&Q

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B&Q - Towbar Electrics 7 Way Bypass Relay For Canbus Multiplex Wiring Smart

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B&QB&Q - Towbar Electrics 7 Way Bypass Relay For Canbus Multiplex Wiring Smart
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eBayTowbar Electrics 7 Way Bypass Relay for Canbus Multiplex Wiring Smart TR186
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OnBuy.comAb Tools Towbar Electrics 7 Way Bypass Relay For Canbus Multiplex Wiring Smart Tr186 5056133314625
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Product Information

Full details

This guide is for anyone installing the AB Tools Towbar Electrics 7 Way Bypass Relay (TR186) on their vehicle. This relay protects your car's electrical system while providing power to trailer lights, ensuring compatibility with modern vehicles. Note that proper wiring is crucial for safe and effective operation; always consult the included wiring guide or a professional if unsure.

All features

Model Part NumberTR186
BrandAB Tools

Extended Product Information

FAQs

Where can I find the wiring guide?

The wiring guide is included in the product description.

Do I need any special tools for installation?

You will need basic tools such as wire strippers, crimpers, and possibly a multimeter.

Can I install this myself?

Yes, if you have some experience with automotive wiring. If not, consider professional installation.

What if the trailer lights are still not working?

Double-check the wiring at both the relay and the trailer. Test the trailer lights with another vehicle to rule out a trailer issue.

Will this affect my car's warranty?

Installation of the relay should not void your warranty, provided it is installed correctly.

Is the audible buzzer necessary?

The buzzer provides an important safety feature by alerting you to any issues with your trailer lights.

What is the function of the bypass relay?

The bypass relay protects the vehicle's electrical system from faults in the trailer and provides a safe and reliable connection for the trailer lights.

Troubleshooting

Trailer lights not working.

Check all wiring connections at both the relay and the trailer. Verify that the relay has power from the vehicle battery. Ensure the vehicle's lights are functioning correctly.

Buzzer not sounding.

Check the buzzer connection to the relay. Verify that the trailer is correctly connected to the relay.

Vehicle's lights are malfunctioning after installation.

Carefully review all wiring connections to ensure they match the wiring guide. Check for any short circuits or loose connections. Disconnect the relay and test the vehicle's lights to see if the issue persists.

Pros and Cons

Pros

  • Protects the vehicle's electrical system from trailer faults.
  • Compatible with a wide range of vehicles, including modern models.
  • Minimizes the load on the vehicle's lighting system.
  • Provides an audible alert for trailer light operation.
  • Easy to wire, using existing vehicle light connections.

Cons

  • Requires some understanding of vehicle wiring for installation.
  • Installation may require access to the vehicle's rear light wiring.
  • Additional wiring may be needed to connect to the vehicle battery and trailer.
  • Incorrect wiring can lead to non-functioning lights or electrical issues.

Setup, Compatibility & Care

Setup:

  1. Locate Vehicle Lights: Identify the wires for left and right indicators, brake lights, side/tail lights, fog lights, and reverse lights on your vehicle.
  2. Connect Relay Wires: Connect the relay wires to the corresponding vehicle light wires according to the wiring guide below. (See product description for the wiring guide).
  3. Connect Trailer: Connect the trailer wires to the relay terminals.
  4. Connect Power: Ensure the relay is connected to the vehicle's battery for power.

Compatibility:

  • This relay is compatible with all cars with a negative earth system.
  • It is suitable for vehicles where sidelights, brake lights, or fog lights are powered from the same wire.

Care:

  • Regularly inspect the wiring connections for corrosion or damage.
  • Ensure all connections are secure to maintain proper functionality.
  • If you are not familiar with automotive wiring, consult a professional for installation and maintenance.

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