Are trailer brake magnets interchangeable?
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Are trailer brake magnets interchangeable?
They are not made to be interchangeable between brake sizes or weight capacities. The wire color most likely has to do with the choice of the manufacturer. I have linked a video that details replacement and wiring of a trailer brake magnet that should be helpful.
Do trailer brake magnets have a polarity?
Expert Reply: Trailer electric brake magnets are non-polarized. When installing an electric brake assembly, like the Electric Trailer Brake Assembly, Left Hand # AKEBRK-35L, either wire can be used for the brake signal and the ground wire, it will not matter which wire is used for which.
How strong should a trailer brake magnet be?
An impaired brake magnet can lead to weak or surging brakes, or cause the brakes to pull to one side. It is important to inspect and test the magnets each time the brakes are worked on….Testing Trailer Brake Magnets.
| 7″ Brake Drum | Max Amps at 12-13 Volts |
|---|---|
| 6 Brakes | 19.0 – 20.6 |
| 10″ & 12″ Brake Drums | |
| 2 Brakes | 7.5 – 8.2 |
| 4 Brakes | 15.0 – 16.3 |
What does the magnet do on trailer brakes?
When electricity is on, it magnetizes the brake magnet. The magnet is attracted to the drum face. When it contacts this area, the friction causes it to rotate, which moves the actuating arm, and pushes the shoes out against the drum.
How do you test electric trailer brake magnets?
Testing Individual Brake Magnet for a Short Then, connect one of the brake magnet wires to the negative lead of a multimeter and the positive lead of the multimeter to the positive post of the battery. If any amperage is detected, the magnet is shorted and will need to be replaced.
Do trailer brake magnets have positive and negative?
Which Wire on Trailer Brake Magnet is the Positive and Ground Trailer brake magnets actually are not polarity sensitive. That means either wire lead can be the positive as long as the other wire is grounded.
Which wire is for trailer brakes?
5-Pin Flat Connector If a trailer has brakes, then it needs a connector with at least 5 pins. The 5th pin, a blue wire, gives power to operate (or disable) the trailer brakes. Traditional Trailer + with Brakes = Use a 5-Pin Connector.
Do trailer brake magnets get weak?
Not uncommon for electric brake magnets to short out and be weak. I have seen them where the magnet had worn against the drum enough for the magnet to short out to the drum.
How long do trailer brake magnets last?
Under normal driving conditions, some highway, some city, and, not much in the mountains, round magnets are good for about 18,000 to 20,000 miles. Oval magnets 20,000 to 25,000 miles.
How do I test the magnet on my trailer brakes?
Do electric trailer brake magnets get weak?
Not uncommon for electric brake magnets to short out and be weak.
How do you test electric brake magnets?
Which wire is positive on trailer brakes?
Helpful Expert Reply: Trailer brake magnets actually are not polarity sensitive. That means either wire lead can be the positive as long as the other wire is grounded.
What is the white wire on a trailer plug?
The White Wire is the “Ground” or “Negative” wire connecting to the vehicle battery “minus” side. The trailer wiring diagram shows this wire going to all the lights and brakes. Also, it must connect with things (if included) that use the Aux Power and Back-up lights too.
How do you test a brake magnet?
How long do electric trailer brake magnets last?
