Can 12 Volt Wire Be Used to Test Trailer Brakes

Question

Question:

If purchasing electric brakes... Before installation on trailer, if you want to test brakes, will they activate if you apply a charged 12v jump battery to the brake wire leads? If not, how would you test prior to installation? Thank you!

asked by: Ed A

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Expert Reply:

Yes, if you were to put 12 volts on the brake output circuit you would hear them activate letting you know they are currently working. You should hear a click sound and then a hum as long as the power is on the circuit.

expert reply by: Jameson C

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Answer 1

Excessive rust would definitely weaken the pull of the magnet, so I would recommended replacing the magnets on your trailer if they are severely corroded. If you have power going into the magnet and it is not engaging at all, this again would be an…

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Answer 2

Thank you for the details on your testing of your new trailer brakes #AKEBRK-35. Your successful jump box test direct to the brake circuit on the trailer's 7-way plug tells us the trailer side of things is working (since the brakes will lock up…

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Answer 3

There are a number of reasons why the brakes on your trailer may not be working. Lets start with the easiest things to check. First, check the vehicle and trailer connectors for corrosion. This can cause a short inside the connector and the brake…

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Answer 4

Yes, you should be concerned about your trailer brakes being connected on just one side, but before you reach out to a dealership let's double check first. Electric brakes, like the Dexter Axle #23-180-181, use magnets so when the brakes are…

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Answer 5

No, it does not matter which wire you use for the ground and which is used for power when wiring electric brakes. Each can be used for either purpose.

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Answer 6

It sounds like the problem is on the trailer wiring. Make sure that the vehicle side and trailer side connectors are clean and free of corrosion inside and out. The main connector grounds should be attached to clean and corrosion free bare metal…

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Answer 7

First, we should make sure you have the correct wiring harness. You should be using #HM47795. This harness has the red pin for the stop light circuit unhooked from the plug. You will need to make sure it is placed in the correct spot (see…

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Answer 8

If your 2006 Chevrolet Silverado 1500 came with a factory 7-way trailer connector then you will not need to do any wiring to install the Pollak 7-Pole, RV-Style Trailer Connector Socket w/ Wiring Harness and Mounting Bracket part #PK11898. If this is…

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Answer 9

You can definitely ground your trailer brake assemblies to your trailer frame. This will be just as effective and also will be a much easier install.

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Answer 10

From what I was able to find there are several fuses associated with the tow package wiring on a 2006 Chevy Silverado. In the instrument panel on the side of the dash you should see RT TRLR ST/TRN for trailer right turn and brake signal and LT TRLR…

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Answer 11

The small amount of surface rust on your ball will not affect its future performance. If the ball had been exposed to the elements for many months or years and the corrosion was more severe, I would be reluctant to use it. Since the rust is minor,…

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Answer 12

I have a suspicion about what might be causing the problem you mention. Do your trucks have 6-way trailer connectors? Or, do the trucks have 7-way connectors, but you are using a 6-way to 7-way adapters because the trailers use 6-way connectors?…

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Can 12 Volt Wire Be Used to Test Trailer Brakes

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