Disconnected battery but still power to cab

[Tiptop camper]

Hi all, wondering if anyone can help: I have removed the negative terminal from starter battery as I have done a few times before to preserve the battery while parked up. Normally The clock and all power is off to the cab. Strangely this time the clock still runs and the power seems to still be there, even though the cable to the negative terminal is disconnected and insulated! Any ideas why this could be?

 

[the1andonly]

Have had any rewiring done since last time eg b2b or alaRm fitted?
Disconnect the lesuire battery, does the clock stop?
Have you changed the clock, does it have its own bettery
Is it magic or ghosties (run out of semi sensible ideas)

 

[Richard n Ann]

There must be a leisure battery positive wired to something that is also wired to the engine battery in parallel.. I think Maybe.. Could be

 

[Ranger]

If you have solar or are on hookup and also have a battery master or other such device fitted which charges the cab battery if the leisure ones are full it will still give a feed to the cab bypassing the battery.

 

[TheBig1]

if not a feed from a solar panel it suggests your split charge relay is failed closed so allowing the leisure battery to back feed

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[Northernraider]

My money is on it having a solar connection

I can completely remove my starter battery and still have power to the clock , stereo and cigarette lighter etc ...