Result: 30 amp plug

From the kit you will use the wire, 30 amp circuit breaker, and ring terminals. On the brake controller the white wire will ground to the negative battery terminal. | The dealer told me that my Sprint is not...

With your Ford Ranger being so new there isn't a confirmed fit adapter however I do recommend Tekonsha Prodigy P3 Trailer Brake Controller - 1 to 4 Axles - Proportional Item # 90195 Since a custom brake-control wiring adapter is not available for your vehicle, one of the following will be required: 20-Amp circuit breaker (9506P - sold separately) for 2- to 4-brake applications 30-Amp circuit breaker (38630 - sold separately) for 6- to 8-brake applications However the Universal Installation Kit for Trailer Brake Controller - 7-Way RV and 4-Way Flat - 10 Gauge Wires Item # ETBC7 will come with 3 Heavy-duty circuit breakers - (1) 20 amp, (1) 30 amp, and (1) 40 amp If you already have a 7-way installed in your truck you won't need the # ETBC7 and you can just get the circuit breaker that fits your brake application needs. |

The last wire on the brake controller is the black power wire which will be need to be connected to the positive terminal of the vehicles battery via a 20-amp (or 30-amp) inline circuit breaker. I am including a link to a FAQ page on brake controllers and a link to a FAQ page on brake controller installation from scratch if you do not have a 7-Way on your RV. |

On the wiring harness that comes with the brake controller, the white wire connects to the negative battery terminal, the blue wire connects to the blue wire from the ETBC7, the black wire connects to the positive battery terminal via a 20- or 30-amp circuit breaker (see brake controller instructions for which size to use), and the red wire connects to the brake switch above the brake pedal. |