LifePO4 Battery Isolation

[Caymanedge]

Those wires route power to the Coach and Chassis remote switches in the RV. When flipped they trigger the disconnect switches and let power flow through.
I double checked all connections from original layout.

[757driver]

Originally Posted by Caymanedge

Those wires route power to the Coach and Chassis remote switches in the RV. When flipped they trigger the disconnect switches and let power flow through.
I double checked all connections from original layout.

So are you saying that if the ignition wire is connected that you cannot use the chassis battery disconnect? A strange one indeed. If the ignition switch is not on there should be no power at the ignition wire.

[Caymanedge]

Yes.

If the Ignition wire is connected to the Li-BIM the Chassis remote Disconnect Sw will not function and the Chassis has no power.
When I disconnect the Ignition lead from the Li-BIM the Chassis remote Disconnect Sw functions as designed.

[HarryStone]

The BIM should have nothing to do with the chassis disconnect at all. It's intended purpose is to connect the chassis and coach battery together for charging. I hate to say it, but could you have connected something that you shouldn't have?

[757driver]

With the ignition OFF do you show 12v on the ignition lead prior to connecting to the BIM?

[wilmic]

Originally Posted by Caymanedge

Yes.

If the Ignition wire is connected to the Li-BIM the Chassis remote Disconnect Sw will not function and the Chassis has no power.
When I disconnect the Ignition lead from the Li-BIM the Chassis remote Disconnect Sw functions as designed.

I’m getting ready to do the same Li-BIM swap and just curious what was causing your issues and how you resolved the problem. I’d like to be prepared for possible problems. Thanks.