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**flybouy** · 07-25-2022, 11:03 AM

Your battery (s) are not powering your trailer. A 2009 trailer may not have a battery disconnect from the factory but a previous owner may have installed one. The first things I'd check is 1. The ground connection from the negative battery post to the frame. Typically they are affixed to the frame with a self tapping screw thru a ring terminal. That connection is prone to corrosion. If the wire inside the ring terminal is corroded replace the cable.

2. If the ground is OK then follow the positive battery until you find the auto resetting circuit breakers. They will look like a terminal block but they are circuit breakers. Do you have a meter or a 12vdc test light?

07-25-2022, 11:03 AM	#10
flybouy Site Team Join Date: Oct 2011 Location: Joppa, MD Posts: 11,763	Your battery (s) are not powering your trailer. A 2009 trailer may not have a battery disconnect from the factory but a previous owner may have installed one. The first things I'd check is 1. The ground connection from the negative battery post to the frame. Typically they are affixed to the frame with a self tapping screw thru a ring terminal. That connection is prone to corrosion. If the wire inside the ring terminal is corroded replace the cable. 2. If the ground is OK then follow the positive battery until you find the auto resetting circuit breakers. They will look like a terminal block but they are circuit breakers. Do you have a meter or a 12vdc test light? __________________ Marshall 2012 Laredo 303 TG 2010 F250 LT Super Cab, long bed, 4X4, 6.4 Turbo Diesel