Forum Discussion

deprived's avatar
deprived
Explorer
Apr 05, 2017

two-wire? three-wire LPG detector connector? what?

Our old LPG detector finally went insane recently (it was very, very old) . The house and coach batteries were fully charged, so I am certain that was not the issue. It was a ten-year old unit. A...
road-runner's avatar
road-runner
Explorer III
Apr 05, 2017
In my rig, the two power wires are so the detector is powered by the chassis battery when the ignition is on (driving), or the coach battery/shore power when the coach is powered (camping). You could accomplish the same thing with a diode from each power source connected to the detector's power wire. I'd expect that's what's inside the 3-wire detector.

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