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How to Protect Trailer Wiring on a 2011 Subaru Forester from Winter Weather  


I installed my unit and ran wiring through the grommet in the trunk. I now changed my mind and decided I want to replace the grommet with a new one and keep tje wiring inside as you suggest to avoid the connector and wiring from being dameged by road salt, etc., this winter. Do you know where I can get a new grommet? I asked the dealer but they did not seem to carry that low a level of parts. Thanks!


Expert Reply:

If the dealer does not have the exact part, you may be able to take the grommet with you to a hardware store where you may find something that will work in its place. I could not find an aftermarket grommet. It may be that the vehicle is still fairly new and that part is not yet available.

Another option is to provide some protection for the wiring. For the actual wires, you can use a wire loom, # 39035. I would would go ahead and wrap the wiring in electrical tape for added protection.

For the 4-Way at the end, if it did not come with a cover, you can add one like # 20112. Or you could mount a Connector Box, # RP74641, to protect the connector. I have included a link to a video review of this box for you. Putting some dielectric grease, # 11755, on the contacts of the 4-Way will also help to repel moisture and stop corrosion.

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