testing used equipment help...

[mrteacha 10+ year member]

i am going to check out a few used ceiling mount screens/flipdowns. How can i test them to make sure they have power going to them? Can i Use the power directly off a car battery and run 12v constatnt to the + and the ground to the -?

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[Mike465 10+ year member]

Yes,, you can do that, I would use an inline fue when you do it.