12 V 7-Pin Trailer Plug & Relay Tester

Check common trailer-light circuits before towing or chasing faults through the loom.

Selected for Australian maintenance, installation and workshop use, this model balances practical capability with straightforward field operation.

Key features

• 7-pin plug and socket diagnostic format
• 12 V circuit checking for turn, stop, fog and running-light functions
• Compact tester for caravans, trailers, trucks and tow vehicles
• LED indication supports quick fault isolation
• Useful for pre-trip checks and workshop troubleshooting

Best for

Caravan & 12V Test Tools tasks in workshops, service vehicles, small businesses and hands-on home maintenance.

Important information

Confirm the connector pin standard used on the vehicle and trailer. This tool does not load-test electric brake circuits.

Delivery: Standard delivery within Australia is included in the advertised price.