Trailer socket tester 7pin STU trl11
Trailer socket tester - designed for 7-pin sockets and connectors, vehicle voltage 12V, tests all lighting functions of the vehicle and trailer, fault indication by LEDs, also compatible with 13-pin sockets in 7-pin function using adapters (not included), tester powered by a 9V block battery (not included), checking both plugs and sockets
In stock 2 pcs
Expected shipping:
25.09.2026
Regular price
€12,15
Unit price
/
Unavailable
STUALARM | SKU:
07750238
Product description
This LED tester will test all vehicle and trailer lighting functions - sockets and plugs. An LED indicator will show any problematic connections.
It tests all 7-pole sockets and connectors and, using adapters (not included in the package), all 13-pole sockets and connectors in 7-pole function.
Technical parameters:
- intended for 7 pin sockets
- vehicle voltage 12 V
- powering the tester using a 9 V block battery (not included in the package)
It tests all 7-pole sockets and connectors and, using adapters (not included in the package), all 13-pole sockets and connectors in 7-pole function.
Technical parameters:
- intended for 7 pin sockets
- vehicle voltage 12 V
- powering the tester using a 9 V block battery (not included in the package)

