Can 20 Amp Circuit Breaker be Used with Tekonsha RF Brake Controller

Updated 07/16/2024 | Published 07/15/2024

Question:

Prodigy RF Brake Controller - On the Seven Way connector does the Electric Brake terminal need to be powered with a 20 amp circuit if I have the Battery Charge terminal powered on a 20 amp circuit...i.e. do both Electric Brake and Battery Charge terminals need to be powered on separate 20 amp circuits? Thanks for your help!

asked by: Fletcher

Expert Reply:

Hey Fletcher, a 20 amp breaker on the 12 volt circuit can work with the Tekonsha RF brake controller part # TK94FR unless your trailer has 3 brake axles as then you'd need to bump up to a 30 amp breaker for that circuit.

There wouldn't be a way to run a separate breaker for this brake controller and 12 volt accessory circuit since they use same circuit.

expert reply by: Jameson C

Fletcher

7/16/2024

Hello, Just to be clear there are seven terminal pins on the trailer wiring connector...not sure which one is the one you call the "accessory circuit" Pin 1 Common ground Pin 2 Electric brake Pin 3 Tail and license Pin 4 Battery charge Pin 5 Left Stop and turn Pin 6 Right stop and turn Pin 7 Center auxiliary which one of these should be powered for the Prodigy RF 902502? Thanks for clearing this up! Fletcher

Jameson C.

7/16/2024

@Fletcher Pin 4 battery charge from the list you gave would be what I am referring to. It's typically called 12 volt aux but since it is pretty commonly used to charge trailer batteries it can also be called battery charge.

Fletcher

7/16/2024

@JamesonC Thank you!