Need a 12 volt source that won't affect the BMS or any anything else.

[J persons]

Need a voltage source for a pair of under hood accessories, they will be controlled by a cockpit mounted switch.

 

[Joshw0000]

Have you considered the battery?

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[J persons]

Have you considered the battery?

Sent from my Pixel 7 Pro using Tapatalk

I would prefer to wire it from a fuse protected circuit.

 

[Joshw0000]

I would prefer to wire it from a fuse protected circuit.

This should do the trick.

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[Ta2dResqr]

If you want to keep it monitored by the BMS, you pass can pass the wire through the sensor on the battery cable. The other option is to use a fuse tap in the fuse box like Drive Bright does with their lights.

https://www.amazon.com/Nilight-NI-FH02-Circuit-Adapter-Warranty/dp/B0742BZXC2

 

[J persons]

Thanks! That was what I was looking for.