Rv Battery Isolator Problems

Th3w01f on 05 29 10 08 56am hello were new to owning an rv and i have a question about a problem we seem to be having.

Rv battery isolator problems.

Relay type isolators do fail and contacts do burn. Roadtrek changed from battery isolators to battery separators in the 2006 2007 2008 time period. The isolator maintainer is a keep it up model le 415. Battery isolators are used in large trucks rv s boats utility vehicles and other vehicles that require multiple batteries and backup sources of power.

Unlike an isolator a separator will draw some current while idle. The contacts were in poor shape. The intelligent design folks put the relay down below the starter battery so the battery has to be removed to service or check the relay. The rv had stolen power from the truck battery leaving us wandering around with a set of jumper cables looking for a hot jump p.

This article addresses isolators only if you find you have a problem with either your house or vehicle battery getting charged it is important to check your isolator or separator. On one of our earliest rv adventures we learned the hard way about the importance of a battery isolator system. The inverter is a trace rv 3012. Monacoach mega parts rv makes a dual battery isolator relay that replaces the current relay in your outside drivers compartment.

The solenoid is labeled as a kib lr 9806c bip 2304. With battery isolator switch closed and no power through the solenoids t he only 12 volt functions i have are power to the inverter and to the refrigerator. A battery isolator separates multiple batteries from one another to ensure that a vehicle has access to a backup power source. When it is operating properly it ensures that both vehicle batteries are charging when they should be and that the vehicle s main battery will have enough juice to start the car in the event that the accessory battery has been drained.

If your having problems with your aux battery switch not getting power check this out before going to a shop. A battery isolator is an important part of a multi battery electrical system. When your coach batteries are charged it send the charge to your engine batteries and charges them. My ford oem one lasted less than a year in spite of it being rated for 100 amps.

We received a question from an rv repair club member asking why their rv battery wasn t holding any juice after a full charging cycle. While the problem of an rv battery not charging typically stems back to one common issue there are a handful of other possibilities.