When to Use a 20 or 30 amp Circuit Breaker When Installing Brake Controller

Question

Question:

I have a 2009, Chevrolet Colorado, WT without factory trailer. I have a Dexter Predator DX2 Trailer Brake Controller, as well as the necessary ETBC7 kit. My problem/concern is that when I research which circuit breaker to use with this setup I come across both the 20 amp or the 30 amp – which is the correct one to use?

asked by: George

0

Expert Reply:

You'd want to use the 20 amp circuit breaker like # PK54220PL unless your trailer has more than two brake axles. If that's the case you'd want to use the 30 amp breaker # 38630.

expert reply by: Jameson C

0

Answer 1

For your 12V wiring to your 7-way, we have people running many different things off that 12V wire. 12 gauge or even better 10 gauge ensures that the power is transferred timely and accurately. We have a kit for brake controllers and 12V wiring for…

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Answer 2

On a 7-Way connector the suggested minimum wire gauge for the White (ground) wire, the Red or Black (power) wire, and the Blue (brake power) wire is 12 gauge. The minimum wire gauge for the remaining Green (right turn/brake) wire, the Yellow (left…

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Answer 3

I would be happy to help! The difference between the two RoadActive Suspension Leaf Spring Enhancement Kits for your 2021 Chevrolet Express Van 2500 is the #RAS2611-V is for cargo vans, and the #RAS2613-M is for passenger vans. Since your van is a…

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Answer 4

Yes, 14 gauge wire seems too small. I would go with 10 or 12 gauge. For 10 gauge you can use #10-1-1 and for 12 gauge use #12-1-1. These wires are sold in increments of 1 foot. So if you needed 20 feet of wire you would enter 20 in the quantity box.…

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Answer 5

The pilot diameter on a wheel, like the one with part #AM30620, is the diameter of the bigger hole that is directly in the middle of the wheel. The pilot hole diameter of the wheel for the part I just measured is 2.84". I have attached a picture…

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Answer 6

The Dexstar Dual Wheel part #AM20783 and the Lionshead Steel Dual Wheel part #LHHA420 are two very similar wheels with a few key differences. They are both 16" diameter x 6" wide wheels with a 8 on 6-1/2" lug pattern. However, the…

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Answer 7

The 7-Way blade style trailer connector is the most common 7-Way in use at this time. It would be beneficial to switch to this style. However, if you already have a 7-Way round connector you can just use an adapter to go to a 7-Way blade style when…

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Answer 8

The importance of matching a wheel's pilot hole diameter to the part of the hub that fits through it depends on the type of wheel. A hub-centric wheel uses the pilot hole to center the wheel on the hub and also to bear some of the total weight…

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Answer 9

The red wire from your Dexter DX2 brake controller #58-8 needs to be wired to the cold side of the stop light switch, which on your 2013 Chevy Silverado corresponds to a light blue wire with a white stripe. This wire should ONLY be hot when the brake…

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Answer 10

You should be able to use bracket #2178. I have included a picture showing the measurements for you. I was able to read the instructions for the controller from the Dexter site but I can send you a copy in a separate email.

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Answer 11

According to Dexter Axle, it's perfectly normal for the display to light up and display .0 when a trailer isn't connected. This will happen regardless of if the vehicle is running, as the controller has a constant 12V connection to the…

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Answer 12

The manual override lever does not move when you hit your brake pedal but the digital display will light up and give you a reading. The slide is only for the manual emergency braking or to apply additional braking pressure to your trailer as desired…

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When to Use a 20 or 30 amp Circuit Breaker When Installing Brake Controller

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