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**chuckster57** · 08-16-2016, 08:36 PM

Welcome to the forum!

If the coach battery is bad, that may be your issue. Take it out and see if it will charge. If it does, then load test it. Obviously if it fails get it replaced.

Then plug the trailer in and measure the voltage at the battery terminals. If it isn't 13VDC or higher, your converter has either gone kaput, or the fuses on the backside of converter have blown.

We'll start with having you test the battery, then once a known good battery is installed, check for charging voltage at the battery. We have 3 weeks to fix this? Piece of cake!!

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08-16-2016, 08:36 PM	#2
chuckster57 Site Team Join Date: Jul 2014 Location: Modesto Posts: 20,357	Welcome to the forum! If the coach battery is bad, that may be your issue. Take it out and see if it will charge. If it does, then load test it. Obviously if it fails get it replaced. Then plug the trailer in and measure the voltage at the battery terminals. If it isn't 13VDC or higher, your converter has either gone kaput, or the fuses on the backside of converter have blown. We'll start with having you test the battery, then once a known good battery is installed, check for charging voltage at the battery. We have 3 weeks to fix this? Piece of cake!! Sent from my iPhone using Tapatalk __________________ 2012 Copper Canyon 273FWRET being towed by a 1994 Ford F350 CC,LB,Dually diesel. Airlift 5000 bags, Prodigy brake control, 5 gauges on the pillar.Used to tow a '97 Jayco 323RKS. Now an RVIA registered tech. Retired from Law enforcement in 2008 after 25+ yrs.