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**dmjlambert** · 08-02-2021, 08:07 PM

Black wire goes in the spot marked COM, red wire in spot marked 10A, switch goes in 10A position, probe end of black wire on negative battery post, probe end of red wire on negative battery terminal which has been disconnected from the battery. Then let's see what you got.

08-02-2021, 08:07 PM	#5
dmjlambert Senior Member Join Date: Apr 2016 Location: Cypress, TX Posts: 3,584	Re: Battery drain issue/ .010 reading on volt meter Black wire goes in the spot marked COM, red wire in spot marked 10A, switch goes in 10A position, probe end of black wire on negative battery post, probe end of red wire on negative battery terminal which has been disconnected from the battery. Then let's see what you got.