Is a Circuit Breaker Required When Installing Trailer Breakaway Switch?

Question

Question:

Should we put a circuit breaker on the 12v hot wire between the trailer battery and the breakaway switch? If so, how many amp should it be? Thank you!

asked by: Steeve

1

Helpful Expert Reply:

When installing a breakaway system and the Replacement Tekonsha Trailer Breakaway Switch # 420000 you asked about, there is no need to add a circuit breaker or in-line fuse. I've attached a help article for the installation of a system as well as a video of an installation to assist.

expert reply by: Jason S

1

Answer 1

I spoke with my contact at Kodiak regarding the Replacement Mounting Bracket for Kodiak Disc Brake Caliper #KCMB138HRD referenced in your question. He stated that for Grade 5 bolts, you will want to torque to 85 ft lbs. For Grade 8 bolts you will…

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Answer 2

I spoke with a representative of Dexter who told me that the 4 mounting flange bolts on the Dexter Nev-R-Adjust Electric Trailer Brake Assembly #K23-478-00 (left hand) and #K23-479-00 (right hand) who was unable to confirm the specific torque specs…

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Answer 3

Yes. The way that a breakaway switch such as #HM20010 works is that the pin inside holds two pieces of metal apart. Once pulled out it allows the 2 pieces of metal to touch completing the circuit between the breakaway battery and the trailer brakes.…

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Answer 4

Sure can, as you will need the following mounting hardware for the 8,000 lb Dexter Electric Trailer Brake Kit #DX32QR: - Mounting Bolts and Hardware #BRKH122508 This hardware comes with the bolts and nuts to mount both brake assemblies.

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Answer 5

The Replacement Caliper-Mounting Bracket for Kodiak XL-Lube Disc Brakes, part #KCMB138HRD are a universal fit, and will work for either the left or the right hand assemblies. These are designed for 8,000 lb axles and 8 on 6-1/2 bolt pattern. These…

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Answer 6

Though it is not completely necessary to use something like Loctite's Threadlocker #LT37420, there wouldn't be any adverse affects either. Most U-Bolt kits do come with lock nuts making them more secure than standard nuts, but you can…

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Answer 7

The Dexter Electric Trailer Brake Kit #K23-532-533-00 is for 8,000 lb axles and has a 4-bolt pattern that is 3-7/16" across and 3-5/8" vertically. They would mount to a 4-bolt brake mounting flange such as Trailer Brake Mounting Flange…

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Answer 8

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 9

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 10

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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Answer 11

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 12

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Is a Circuit Breaker Required When Installing Trailer Breakaway Switch?

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