Keep blowing fuses, help!!!

[509camper]

I have a 2012 Jayco Sport tent trailer. On my last trip we kept popping the 15 amp fuse at the top of the box that runs our two overhead lights and pump for water tank. Where do I start to resolve this issue? I am running the original battery and usually can get through a 5 day trip without it dieing, but on this last trip where we kept blowing fuses the battery didn't even last three days before it died. Thanks you guys!

[Mustang65]

Originally Posted by 509camper

I have a 2012 Jayco Sport tent trailer. On my last trip we kept popping the 15 amp fuse at the top of the box that runs our two overhead lights and pump for water tank. Where do I start to resolve this issue? ......

With the lights off, does the pump blow the fuse?
Don

[Jagiven]

You say overhead lights. Are you talking the hard wired in lights in the ceiling or the light plugs, where you can plug in tent end lights?

What are you doing when the fuse blow? Turn the pump on and it blows, or replace the fuse with everything off and it blows. Or flip a light switch and it blows.

Without knowing what you are doing when the fuse blows, it's harder to narrow down the location.

My guess, is look at the wires that send the power up to the ceiling. My guess you have a broken wire and it is grounding out on the frame. Anywhere where the wire flexes is a good potential location.

[509camper]

Yes, the hardwire lights in the roof. When the fuse goes, usually just the roof lights are on, I'm assuming the water pump goes because they are on the same fuse. Today I jacked it up, turned on both lights and fired up the water pump and turn on sink, fuse lasted about one minute beforeit blew. I'm gonna try it all on shore power tomorrow and see what happens. That's gonna be a pain in the ass chasing down that wire if the ground is the case. Thanks guys. I will try just the water pump alone tomorrow too to see if it works.

[Mustang65]

Without Shore-power, if you just leave your lights on without turning on the pump, does the fuse blow?

Without Shore-power, if you leave your pump on without turning on the lights, does the fuse blow?

Don

[Grumpy]

Might be a pinched wire leading to the roof.

[509camper]

Thank you all for your help, problem solved, faulty connector at the light in the ceiling was touching metal. No more blown fuses.

[mike837go]

Congrats on solving the problem!