We just purchased a Passport to use towing our 17' camper. Honda doesn't install the trailer brake wiring so we took it to our mechanic to install. He can't figure it out and there don't seem to be any instructions! Has anyone installed the extra wiring needed for a trailer brake?? Thanks for any help.
Installing trailer brake wiring
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Actually, Honda does include the trailer brake wiring but it's a little bit of a challenge to find it. The 4 pin connector is located under the left side of the dash above the OBD port. It's taped down so it may be hard to see it. It's described on page 443 of the owners manual. The Trailer Hitch Harness accessory kit includes the sub harness shown on page 444 that plugs into the connector and has pigtail wires on the other end which you can splice into the trailer brake controller of your choice.
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