What Do Abbreviations EB and XL Mean on Trailer 7-Way

Published 07/19/2016

Question:

What does XL and EB stand for on a pin connector for a trailer? LT is left turn? RT is right turn? BU is back up? TM is Tail Marker tail lights? EB is ???? XL is ????

asked by: Gene

Expert Reply:

EB would stand for electric brake on a trailer connector. This is the circuit that carries voltage to the brake assemblies of the trailer. XL would be auxiliary and is typically a 12 volt power circuit used for lights or maintenance charge on a trailer battery.

expert reply by: Jameson C