Electric Brakes - INOP

   / Electric Brakes - INOP #1  

Beltzington

Platinum Member
Joined
Oct 4, 2008
Messages
954
Location
Appling, Georgia
Tractor
JD 3720
While rewiring my trailer I applied 12VDC to test each brake, this one did nothing. How do they work and where can I get parts? TIA
 
   / Electric Brakes - INOP #2  
How do they work and where can I get parts? TIA
#1 is your electric magnet that when activated gets attracted to the inside surface of your 'moving' drum. This pulls the magnet to the right or left, can't tell in this pic.

#2 is the arm that the magnet is attached to and gets push to the right/left by the magnet.

#3 is a 'cam' that rotates from the arm movement and spreads the top portion of the brake shoes apart.

Chances are your magnet can be replace by itself.
 
Last edited:
   / Electric Brakes - INOP #4  
For some types of axles you can get bolt on replacement brake units. These are almost as inexpensive as doing the replacement piecemeal.:D

Try Goggling Dexter axles and check out some sites.:D

I have purchased the Dexter brake replacement components at an RV dealer.:D
 
   / Electric Brakes - INOP
  • Thread Starter
#5  
Wow! - Great Video.
After this explanation I'm going to clean all the rust from my brakes components and see if it works. If not I will replace the magnet. Thanks very much for the quick replies.
 
   / Electric Brakes - INOP #7  
And by the looks of your shoes, going with a complete assembly vs just a new mag as the others have stated would be my path also.

I've used Etrailer many times before with 100% satisfaction.
 
   / Electric Brakes - INOP #8  
Me being the electronic geek that I am wouldn't use those Scotch locks as shown in the video. I have had too many of them corrode over the years and not make good connections. I soldered my wires together to the brake wires. Just my two cents worth of wisdom.
 

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