What Gauge Wiring is the TowSmart 4-Wire Y-Harness?
Updated 07/16/2026 | Published 07/14/2026
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Question:
What gauge is the wire?
asked by: Kevin
0
Expert Reply:
Good question Kevin, thanks for asking!
The TowSmart 4-Wire Y-Harness Connector # TS67RR uses 18-gauge bonded wire. This gauge is common for trailer lighting circuits and for powering your trailer's running lights, brake lights, and turn signals.
What type of trailer are you wiring?
expert reply by:
James D
0
Product Page this Question was Asked From
TowSmart 4-Wire Y-Harness Connector - Trailer End - 25'
- Trailer Wiring
- Trailer Connectors
- Trailer End Connector
- 4 Flat
- Plug and Lead
- TowSmart
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Kevin
7/16/2026
Boat trailer.