Although it does not matter which leads from your multimeter you use to test AC current, when testing DC, it is imperative that you use the positive (red) lead on the positive (+) side and the negative or ground lead (black) on the negative (-) or ground side of DC circuits.lthough it does not matter which leads from your multimeter you use to test AC current, when testing DC, it is imperative that you use the positive (red) lead on the positive (+) side and the negative or ground lead (black) on the negative (-) or ground side of DC circuits.
Always verify your Mercedes-Benz color code on your vehicle before ordering. Obsidian Black Metallic may go by several different names and the color sample shown above for 2015 Mercedes-Benz S-Class is approximate. Show all 17 colors for 2015 Mercedes-Benz S-Class.
Properties: Black Obsidian is a very powerful and creative stone, it grounds and centres spiritual energy in the physical plane. Obsidian connects the mind and emotions. Self-control is increased by the use of this stone.bsidian is a lightweight, shiny black gemstone created when a volcanic flow is cooled very quickly, into what Geologists call volcanic glass. Black Obsidian is sometimes referred to as Apache Tear Obsidian when in tear drop form. Obsidian, in general, is said to get its name from the Roman Obsius.