View Single Post
Old 12-01-2017, 04:23 PM   #71
jsmith948
Senior Member
 
Join Date: Jan 2012
Location: Central San Joaguin Valley, CA
Posts: 2,117
Think about how your electric brakes operate. When the magnets are energized, they attach themselves to the machined armature surface of the drum. As the wheel rotates, the actuator lever is pulled, expanding the brake shoes against the drum. If the magnets are energized with the trailer stationary, the magnets attach themselves to the drums, but there is no braking action.

Sent from my HTC6525LVW using Tapatalk
__________________

Jack & Marty
2018 Laredo 298 SRL
2011 F-250 SB Crew Cab 4x4 6.7L
jsmith948 is offline   Reply With Quote