Where do I Disconnect the coach battery in a RV?

The RV uses an Intellitec battery disconnect system. Inside the door are two switches to disconnect the chassis and coach batteries (see photo below). Also below photos of the Intellic disconnect relays inside the power distribution box that’s in the engine compartment.

Why are my coach batteries not charging on shore power?

The coach batteries are not being charged when I’m connected to shore power. I’ve verified this by measuring the voltage at the battery terminals when on shore power. There is no change in voltage when I connect to shore power.

What is the voltage of a coach battery?

The cables labled S and I are from the rocker switches inside the RV that activate the disconnect relays. When activated, the relays connect coach and chassis power to the RV. The voltage in and out of each relay was 12.3V, the same with and without shore power.

Why does my camper battery disconnect not work?

This is because the module board has no 12-volt power. The lights won’t work, either, nor will the furnace or water heater, until you plug the shore line back in or you turn the disconnect back on. So what is a disconnect for? The disconnect should be turned off when you store your camper so your batteries discharge more slowly.

How does the battery disconnect switch work on a coach?

They are small loads but may in a weeks time completely discharge the battery. In our coach the battery disconnect switch activates a solenoid which switches the battery circuit on and off. You haven’t indicated the make, model and year of your coach so this may or may not apply to your situation.

What to do if your battery disconnect switch is bad?

Once you find the solenoid, check with a volt meter to find the 12 plus line. Then apply a jumper between that 12 volt line and the control terminal. If the solenoid operates then the switch is bad. If it doesn’t then the solenoid is bad. Just a way to isolate the problem.

Why is the battery cut off switch not working?

The switch does not need to be locked to keep the circuit active ! The lock is to prevent from inadvertently turning off the 12 volt system. 12 Volts should be present on 1 side of each relay, these are high current circuits with large fuses so do not short out these cables.

How do you turn off the battery in a Monaco?

In reality, many people simply bypass this solenoid by connecting the two 12V leads together with a bridge cable if necessary. Then the switch connection (a small wire) is capped off. This makes the switch inoperable but takes care of the solenoid. Monaco has another battery cut-off in the rear of the coach.