2020 Defender

TRAILER ELECTRICAL CONNECTION

WARNING

Make sure the relevant safety warnings and cautions have been read and understood before towing a trailer. See TOWING SAFETY.

The information in the following table should be used to confirm if a trailer or lighting board is compatible with the vehicle. The vehicle is unable to detect a trailer or lighting board that does not meet the specifications given.

Function Minimum load Maximum load
Amps Watts Amps Watts
Brake lights. 0.1 1.2 10 120
Direction indicators. 0.05 0.6 5 60
All side marker lights combined. - - 10 120
Reverse lights. - - 5 60
Fog light. - - 5 60
All lights combined. - - 25 300
Permanent battery feed. - - 15 180
Ignition feed. - - 15 180
NOTES

Only use equipment that requires a 12-volt supply from the vehicle.

NOTES

Only attach appropriate electrical connectors, which are in good condition, to the trailer socket. Using inappropriate or sub-standard towing equipment may adversely affect the accuracy and performance of the vehicle’s towing features.

The trailer direction indicator lamp flashes alongside the relevant direction indicator lamp in the instrument panel when:

  • An electrical connection is present between the vehicle and the trailer.

  • The vehicle’s direction indicators are used.

If the trailer direction indicator lamp does not flash, check the trailer’s electrical connection. Take appropriate action to make sure the trailer’s direction indicators are functioning correctly.

Australia and New Zealand only:

An electric trailer brake module connector is located near the driver’s position. The information in the following table should be used to confirm if an electric trailer brake module is compatible with the vehicle. If in doubt, contact a retailer/authorised repairer.

Function Maximum load
Permanent battery feed. 30 A
Brake signal. 100 mA
Electric brake connection to tow bar electrical socket. 30 A