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

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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

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Answer 1

On each individual electric brake magnet the amperage draw would be 3.0 to 3.2 max amps at 12 to 13 volts on 7-inch brake magnets and 3.2 to 4.0 max amps at 12 to 13 volts on 10 and 12-inch brake magnets. The max amperage draw for the brake magnets…

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Answer 2

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more…

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Answer 3

Since your vehicle does not have a brake controller port, you will want to use a universal wiring pigtail. For example, if you have a Tekonsha brake controller, you could use a Plug-In Harness for Tekonsha and Draw-Tite Brake Controllers #20127. You…

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Answer 4

If your 2019 Chevy Express Van 3500 has the tow package there will be a round connector taped behind the rear bumper that a 7-way like the part #A10-7072VP could attach to. Otherwise you'd need to install a 4-way first like the part #118392.

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Answer 5

Because it is only for a 2022 Hyundai Palisade that has the factory tow package, you do not need to route any wires whatsoever to add the Curt 7-way that fits, which is the following part number: - Curt T-Connector Vehicle Wiring Harness for Factory…

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Answer 6

On the 2015 Jeep Wrangler Unlimited the brake switch wire should be a white wire with a brown stripe. Use a circuit tester such as #PTW2993 to test the wire to make sure it is the one that only has power when the brake pedal is pressed.

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Answer 7

Yes, they are. The Dexter Trailer Hub & Drum Assembly item #84546UC3-EZ and the TruRyde Electric Trailer Brake Kit item #TRU36FR are both compatible. The Hub comes individually you will need two per axle and the brakes come as a set so you will…

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Answer 8

If your 2005 Jeep Liberty has the factory tow package there will be a rectangular shaped connector under the rear bumper. I've attached a picture to show you what the connector looks like. If you find it you can install a 4-way and 7-way…

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Answer 9

I went to our warehouse and measured the Polar Polished Stainless Steel T-Strap Hinge #PLR3408-PS to get the dimensions you need. The two holes on the square/door jamb end of the hinge are 3/8-inch in diameter. Their center-to-center hole spacing is…

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Answer 10

From all of the information I can find on your Kelsey Hayes 3,500lb axle it should use the standard 3,500lb brakes with the standard 4 bolt mounting flange. I'd recommend confirming this before you order, but the TruRyde #TRU36FR should work…

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Answer 11

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 12

In your 2017 Jeep Cherokee Latitude, I unfortunately can't tell you which wire is the correct color for your brake controller, but I can tell you how to determine that. You will need to use a circuit tester like #PTW2993 and test each wire coming…

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What Amperage Circuit Breaker Should be Used for Brake Controller Install

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