11-Foot Arctic Blue Cold-Weather 7-Way Trailer Cord w/ Junction Box – J-JB-11FT
Part Number: J-JB-11FT
This heavy-duty 11-foot Arctic Blue cold-weather rated 7-way trailer cord delivers reliable, flexible performance in harsh winter conditions. The molded RV-style plug, weather-sealed junction box, and premium heavy-gauge copper wiring make this harness ideal for utility trailers, cargo trailers, snowmobile trailers, equipment haulers, and any setup exposed to freezing temperatures.
Designed for longevity and fast installation, the junction box includes color-coded studs, rubber grommets, and dual mounting tabs. The Arctic-grade jacket stays flexible down to –40°C (–40°F), ensuring dependable operation throughout Midwest winters, long hauls, and commercial use.
Specifications
| Specification | Detail |
|---|---|
| Cord Length | 11 ft usable (12 ft overall before strip-back) |
| Wire Gauge | (2) 10 AWG – White (Ground), Black (12V Hot) (1) 12 AWG – Blue (Electric Brake) (4) 14 AWG – Red (Left Stop), Brown (Right Stop), Green (Tail/Marker), Yellow (Reverse) |
| Temperature Rating | –40°C to +105°C |
| Jacket Type | Arctic-grade thermoplastic elastomer |
| Plug Style | Molded 7-Way RV Blade (double-brass self-cleaning contacts) |
| Junction Box | Heavy-duty polymer; includes (4) open + (4) closed grommets |
| Mounting Hole Spacing | 7-3/8" center-to-center |
Key Features
- Cold-weather rated from –40°C to +105°C
- Molded 7-way plug with durable double-brass contacts
- Heavy-gauge copper wires for brakes, ground, and lighting circuits
- Color-coded junction box terminals for simple setup
- (4) Open + (4) Closed rubber grommets included
- Mounting screws included
- Ideal for winter climates, equipment trailers, and long-distance haulers
Product Media
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Wiring Code Reference
| Molded Connector Wire | Function | Usual Trailer Wire Color |
|---|---|---|
| White | Ground | White |
| Red | Left Turn & Brake | Yellow |
| Brown | Right Turn & Brake | Green |
| Green | Tail / Marker Lights | Brown |
| Blue | Electric Brake | Blue |
| Black | 12V Hot Lead | Black |
| Yellow | Auxiliary | — |
Always verify wiring with a circuit tester, as trailer manufacturers may use different color standards. Our full-service repair shop rewires trailers daily—contact us if you need assistance identifying your specific wire functions.