Pre-assembled wiring with 7-way RV trailer connections. The trailer end (shown at left) features a cable length of 8' comprised of 10 gauge black and white copper wire, 12 gauge blue and 14 gauge red, green, yellow, and brown. Part #55-8510 has a removable (replaceable) connector. Part #55-8587 has the connector permanently molded to the cable.
Wiring for the car end comes with 4' cable (part #55-8533) or 7' cable (part #55-8678). The connectors are permanently molded to the cable. Metal mounting bracket (part #55-8504) is not included and sold separately.
These connectors use the following color code and recommended wire size:
| White | Ground | 10 gauge |
| Blue | Trailer Brakes | 12 gauge |
| Green | Tail, Licence and Running Lights | 14 gauge |
| Black | Trailer Battery Charge | 10 gauge |
| Red | Stop and Left Turn Signal | 14 gauge |
| Brown | Stop and Right Turn Signal | 14 gauge |
| Yellow | Auxiliary, usually Back-up Lights | 14 gauge |
**Check all circuits before operating vehicle.
55-8533 Trailer Cable w/7-way sealed CAR end connector, 4' cord
55-8587 Trailer Cable w/7-way connector MOLDED, 8' cord
55-8678 Trailer Cable w/7-way CAR end molded, 7' cord