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 Topic: Rear camera draining leisure battery help
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20/5/2024 at 4:55pm
Location: London
Outfit: Lunar Cosmos 524
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The question is, is it truly turned off (that may imply wiring issues elsewhere!), or merely in standby mode! Flattening of batteries implies a significant current draw.
You don't mention the camera make/model, so we can't begin to guess how installed!
BOTH the camera and the screen will draw current, the camera may well 'go to sleep' when not required, and the screen may well 'go dark' when no camera feed, but that doesn't mean they are actually fully off as in drawing no current! They will spring to life with whatever input stimulates them! Is it a permanent rear view camera, or a reversing camera triggered by selecting reverse gear?
Many devices these days don't have true mechanical supply isolating switches, they have 'soft' electronic switches, that really only make them 'sleep' albeit it with some power consumption, which should be insignificantly small, but can be surprisingly high.
Simple solution if you cant sort the power drain, is put a mechanical on/off switch in the supply, then you are certain it's off.
Other option, is seek a supply connection that is ignition controlled and disconnects when the ignition turned off, of course that needs the device connecting back to vehicle, not leisure battery! Not necessarily so easy to do these days with Canbus wiring, so some caution urged as the modern Canbus system can be upset by ad hoc connections and misbehave, or even be damaged!
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via mobile 20/5/2024 at 4:15pm
