What Amperage Circuit Breaker Should be Used for Brake Controller Install

Question

Question:

How do I determine what size in line circuit breaker I need for my brake control box? I have a 1999 GMC Savana and I am mainly pulling a 16ft Scamp trailer. Thanks!

asked by: Wes S

0

Expert Reply:

That will depend on the amount of brake axles your trailer has. . The 20 amp breaker like # 9506P is for 1 and 2 axle brakes, and the 30 amp like part # 38630 is for 3 and 4 axle brakes

expert reply by: Jameson C

0

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Answer 1

The install of the Curt hitch part #13266 on your 2016 Volvo V60 will reduce your ground clearance by about 3 inches. The install will be identical to what you mentioned seeing in the install video on a 2015 V60 as well. The hitch option we offer…

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Answer 2

You are referring to the 12 volt accessory circuit on the 7-way in the picture. This is the circuit in the 1:00 position of the 7-way as you are looking into the socket from the front. For the install of a brake controller this circuit is not…

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Answer 3

The reason you would not want to install a 30 amp fuse or circuit breaker in a 4 brake magnet application, when installing a Prodigy P2 brake controller, #90885, is that the extra amperage required to break the circuit could cause an issue with the…

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Answer 4

You'll need a 20 amp circuit breaker for the brake controller power and a 40 amp circuit breaker for the battery charge line circuit from the trailer connector for a total of two. We actually offer a kit with these circuit breakers as well as the…

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Answer 5

I definitely understand how safety chain capacities and determining exactly what chain rating you need for your trailer can be a bit confusing. To keep it as simple as possible, safety chain requirements state that the breaking strength of EACH…

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Answer 6

With the brake controller gain turned all the way up, you should be seeing closer to 12-volts at your trailer connector. You are losing voltage somewhere between the brake controller and the trailer connector. I am assuming that by electric brake…

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Answer 7

Hey Paul, thanks for reaching out! The only difference between the Blue Ox SwayPro Shank #BLU64ER and the Blue Ox TrackPro Shank #BLU74ER is their color. The SwayPro is designed with more of a grey finish while the TrackPro has more of a black…

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Answer 8

What you described is perfectly normal. When not connected to a trailer the Prodigy P2 part #90885 will show two dots like you described. After a period of inactivity the controller will go into sleep mode. It doesn't turn off with the vehicle…

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Answer 9

The 4T-LM67048 outer bearing is commonly referred to as a LM67048 and the 4T-25580 inner bearing is commonly referred to as a 25580. We have some hubs with both of these bearings, I recommend the Dexter Trailer Hub and Drum Assembly part #8-201-5UC3…

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Answer 10

I have good news for you - since you have a factory 7-way in your 2020 Chrysler Pacifica you have a very simple "installation" which will require nothing more than plugging a brake controller wiring adapter into the port under the dash of…

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Answer 11

This is a great question that there isn't exactly a great answer for. Hitch extenders not only put the weight further away from the hitch which would increase the leverage on the hitch, but they also add movement to the assembly which will…

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Answer 12

I have a solution for you- the Blue Ox Hitch Extender for Tow Bars #BX88264 which has a 1000-lb tongue weight / 10000-lb towing weight capacity and will also provide a 12" extension for your hitch. This is the only hitch extender we currently…

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What Amperage Circuit Breaker Should be Used for Brake Controller Install

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