986 Forum - The Community for Porsche Boxster & Cayman Owners - View Single Post - Dead battery

Ian c · 08-25-2013, 05:00 PM

You need to get the battery charged and back on , then check voltage .
12vdc on the battery 13.8vdc running .
Then disconnect the earth and put your multimeter on miliamps and see what your drain is with everything turned off .

08-25-2013, 05:00 PM	#4
Ian c Registered User Join Date: Jun 2013 Location: Socal Posts: 560	You need to get the battery charged and back on , then check voltage . 12vdc on the battery 13.8vdc running . Then disconnect the earth and put your multimeter on miliamps and see what your drain is with everything turned off .