7 Pin Plug/Socket Tester

This 12V 7-Pin Trailer Wiring Tester provides a quick and straightforward way to check the electrical operation of compatible 7-pin towing sockets and trailer plugs. Simply connect the tester and operate the relevant vehicle function, such as the brakes or indicators, to check that the corresponding indicator illuminates. Ideal for workshops, trailer maintenance, vehicle servicing and pre-towing checks, it can help identify wiring or connection problems without immediately having to dismantle the trailer socket or plug.

Features & Benefits

• Tests 7-pin towing sockets and plugs - suitable for checking both sides of a compatible trailer electrical connection.
• 12V operation - designed for compatible 12V vehicle and trailer electrical systems.
• Visual indicators - provides a straightforward indication when testing individual lighting functions.
• Quick fault checking - useful for identifying potential problems with trailer wiring, plugs, sockets or lighting circuits.
• Simple operation - connect the tester and activate the function being checked, such as the brakes or indicators.
• Compact diagnostic tool - useful to keep in workshops, service vehicles or alongside trailer equipment.
• Applications - suitable for trailer servicing, towing checks, workshops, plant hire fleets and general vehicle maintenance.

DELIVERY OPTIONS (UK mainland only)

Next Day Delivery*
£11.95 or FREE for orders over £150
Orders placed before 4pm Monday to Friday will be delivered on the next business day.
Orders placed after 4pm on Friday will be delivered the following Tuesday.
*Next day delivery applies to stocked items only. Availability can be found on the product pages.

Premium Delivery*
£30.00 for delivery before 10:30am
£25.00 for delivery before 12:30pm
*Premium delivery applies to stocked items only. Availability can be found on the product pages.

For all other countries, please click here for full delivery information.

**Separate carriage charges apply to bulk products such as 205L barrels.