Tapping into the fuse or isolating the circuits from ground would be the least intrusive and easily reversible ways to handle this. In order to isolate each with a single switch I believe you would need a relay for each circuit that get triggered via another relay that's triggered by your new blackout switch.
And maybe his purposes aren't nefarious, cops have this technology on their cruisers here in the states. Maybe he's some kick-ass plain clothes detective who has to do stake outs and doesn't want the lights drawing attention but needs to be able to hit the gas to bug out at a moment's notice.
And maybe his purposes aren't nefarious, cops have this technology on their cruisers here in the states. Maybe he's some kick-ass plain clothes detective who has to do stake outs and doesn't want the lights drawing attention but needs to be able to hit the gas to bug out at a moment's notice.
