HOPKINS TOWING SOLUTIONS Tester: 4-Way, 1 1/4 in Overall Lg (MPN 48655)
SKU 3G-OTH-484602
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Frequently Asked Questions
What is the Hopkins Towing Solutions 48655 tester used for?
This 4-way tester from Hopkins Towing Solutions is used to quickly diagnose and verify the electrical function of a vehicle's trailer wiring harness. It helps fleet maintenance technicians confirm that turn signals, brake lights, and tail lights are working correctly before hooking up a trailer.
What are the specifications of the Hopkins 48655 tester?
The Hopkins Towing Solutions 48655 is a 4-way flat tester with an overall length of 1 1/4 inches. It is designed for fleet and vehicle maintenance applications to test trailer wiring connections. The manufacturer part number is 48655.
Where to buy the Hopkins 48655 tester worldwide?
3G Electric supplies the Hopkins Towing Solutions 48655 tester to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and a quote for your fleet maintenance needs.
How to use the Hopkins 4-way trailer tester?
To use the Hopkins 48655 tester, simply plug it into the vehicle's 4-way flat trailer connector. Then activate each lighting function (turn signals, brake, tail) from the vehicle cab. The tester's LEDs will illuminate to confirm proper circuit operation, helping you identify wiring faults quickly.
HOPKINS TOWING SOLUTIONS Products
3G Electric supplies HOPKINS TOWING SOLUTIONS fleet and vehicle maintenance. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.









