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996 switched power in boot


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Gents

I've got a MJ2000 996 and intend to fit a Battery Brain device which automatically disconnects the battery when the voltage drops below a certain level.

The little box sits on the battery but also needs to be connected to switched power so it does not disconnect the battery whilst the car is running.

Does anybody know if there is a switched power cable that I can tap into somewhere in the boot (trunk), ideally near the battery?

I had look at the wiring diagram of the amplifier which lives up there, but it only seems to have permament power and and a control signal that tells it when the radio is turned on.

Many thanks

Uwe

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Not sure I like this idea; instead of automatically disconnecting the battery and losing everything from radio presets to the DME's learned information, why not just use a maintainer (or even a solar maintainer, that does not require line power)?

I don't know the current standards of your MOT, but over here if the battery is disconnected just before inspection, the car won't pass because the DME will report several key emissions parameters as "not ready" because the car has to go through multiple driving cycles before the DME will reset to "ready".

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Not sure I like this idea.

I don't like it either for all the reasons you just mentioned, but my garage has got no electricity and last time I've seen the sun was last autumn.

I like the heated washer jet idea, that should work. Many thanks.

Edited by umn
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