New Battery ( 24C form Costco) in a 2017 T@b S Max but the Battery will not power the trailer

alliedbrea · July 2020

My old Centennial battery had dies, so I purchase a new one form Costco but it won't power the trailer. If I plug the Trailer into an outlet the power is working. I'm not sure if I need to replace any fuses. Please help

Denny16 · July 2020

Has the new battery been charged? What trailer do you have?

Cheers

pthomas745 · July 2020

This is Fuses for Newbies. Check that fuse next to the battery, the very first one in this file:

https://tab-rv.vanillacommunity.com/discussion/3512/fuses-for-newbies/p1

While you are there looking at the fuse, look for the Battery Disconnect Switch. It looks like this. This switch must look like this ( "On") to bring battery power to the trailer.

Image: https://us.v-cdn.net/5021717/uploads/editor/av/y469y6kxh0lh.jpg

to

Welcome to the Forums!

alliedbrea · July 2020

Yes I did switch it on but still not powering. Thank you for the informations I will check the fuse in the Battery. Greatly appreciate all the help.

alliedbrea · July 2020

Yes the nwe battery is fully charge, I brought the old battery to Costco and they gave me the Costco brand and told me it’s the same kind with the centenial one just different brand

Michigan_Mike · July 2020

So did the new replacement battery solve your problem?

pthomas745 · July 2020

If you had your battery out and then back in.....send us a picture (if you can) of how the wiring of the battery looks now. The Tab gets a bit confusing......

ScottG · July 2020

In addition to the fuse at the battery itself, there are two fuses in the converter that also need to be intact for the battery to provide power to the trailer. One is labelled "battery charger" and the other "reverse polarity protection" (or something similar). On mine they are the bottom two fuses in the converter's 12V fuse panel.

alliedbrea · August 2020

Thank you

alliedbrea · August 2020

@pthomas745... Thank you for info regarding the fuses. It was the fuse for the battery wires that was burnt. I just replaced the 30 amp fuse and now its working. You save me $$$ for not getting it service. 🤗🤗🤗

pthomas745 · August 2020

Good! Thank all the brilliant people here who worked out "Fuses For Newbies" for everyone!

New Battery ( 24C form Costco) in a 2017 T@b S Max but the Battery will not power the trailer

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