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4-Way Trailer Wiring Harness Recommendation for 2019 Buick Envision  

Question:

2019 Buick Envision wired to RV tow. All is working well. Added a rear Curt trailer hitch. Need rear 4-way trailer plug. Question is there an add-on to the Curt dinghy tow part 58968 that will work? What may I use?

1

Helpful Expert Reply:

To add trailer wiring to your 2019 Buick Envision you would need to install a universal style of trailer wiring like the Curt 4-way kit part # C59236 which installs by splicing into the taillight circuits of the vehicle. There isn't a way to use tow bar wiring in reverse like you asked about.

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Jameson C

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