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Engine on or off when using accessory sockets or giving a jump start?

1376 Views 14 Replies 9 Participants Last post by  Mariano
Hello forum, one quick question. Should I keep the engine running or turn it off when I want you use the electricity accessory sockets? For example to use the air pump, which takes 30A.

Also when using my car to give someone else a jump start from my battery. Is it better to keep the engine running? or better turn it off?

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Are the 'power points' (formerly known as Lighter Sockets) fused for 30 amps? Somewhere ISTR they were fused for 10A.

I'd run the engine for the air pump.
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If by Compressor the OP means a 12V tire/air mattress inflator, I just looked up this one. It draws 10 Amps, and that would be fine to use on the cigarette lighter.

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