On the downside that is on the up to 90 minutes or 12v soc dropping to 12.1 volts delay off circuit..... So potential for more 12v battery deep sleeping....I would have loved it if there was a separate fuse. If there is something that's really that power intensive - you can use a fuse tap for the #3 or #5 as others have pointed out.
One of the main benefits from tapping the cigarette socket is the ease of use since there's both positive/negative leads AND it's fairly close to the screen cubby, dash, glove box, etc. It reduces the complexity to install "nice to haves" like USB chargers and switches.
Needs to be on off when truck off circuit.
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