Parts Needed to Convert a 4-Way on a 2015 Toyota Highlander to a 7-Way  

Question:

Expert Reply:

It's not hard at all actually. All you would need is the adapter part # 37185. You would plug your 4-way into the 4-way of the adapter and then run the black wire from the adapter through a 40 amp circuit breaker like part # 9510 to the positive post of your battery with 10 gauge wire like part # 10-1-1 sold by the foot.

The purple wire will need to be run to the reverse light circuit of your vehicle and the white wire will need to be grounded.

expert reply by: Jameson C

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