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Old 09-15-2010
DW SD DW SD is offline
Senior Member
Join Date: Jul 2010
Location: Encinitas
Posts: 1,627

I figured this out. None of the 14 gauge wires directly attach to the volt meter labeled "engine battery". In my bus, there is a large lug with 1 ga that terminates at the battery bank. I suspect this feeds portions of the "house" loads.

I believe the blue 14 ga wire feeds the engine hour meter. This was previously attached to one of the solenoids feeding the rediline. The red wire, which shares a harness with the blue is 12V+ when the ignition is switched on.

The 14 ga. green and yellow go to the house current shunt for the ammeter. In my case, this house ammeter is buried in the bedroom behind one of the cabinet doors on the back wall.

Doug W.
Encinitas CA
2004 M380

Last edited by DW SD; 09-15-2010 at 05:13 PM.
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