Seven-pin trailer connectors are used on recreational vehicles and trailers. Over time, these connectors can become corroded and cause wiring problems, or become physically damaged, requiring a replacement. Parts are available online and at most auto supply stores, making this a good choice for a do it yourself project.
- Skill level:
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Things you need
- Seven-pin trailer connector
Loosen the screws on all the terminals on the back of your new seven-pin trailer connector.
Remove one wire at a time from the old connector and transfer it to the new connector. Be sure to install it in the same position on the new seven-pin connector. Remove the wires from the connector by loosening the screw on each terminal.
Install the wires by referring to this chart to install a seven-pin connector on a new trailer. Be sure to tighten the clamping screws securely.
Use the proper colour code to aid in troubleshooting lighting problems in the future.
Coat all connection liberally with dielectric grease to prevent corrosion.
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