The Truman Doctrine arose from a speech delivered by President Truman before a joint session of Congress on March 12, 1947.
Positive First. When installing a mower battery, always connect the positive cable first. The positive cable is red. It attaches to the battery terminal post marked with a plus sign, the letter P or the word POS. Attach the negative cable last. The negative cable is black.
Follow these tips to keep your batteryâand your handsâin tip-top shape. Author Copy Created with Sketch. Q: A friend of mine told me that I should always disconnect the positive terminal of the battery first to keep the electricity from spilling out of the battery. I can't see how this would matter. I just unhook whichever terminal is closest first. I've never noticed any spilled electricity, and I think he's just pulling my leg. A: Let me relate something that happened to a friend of mine, a dentist by trade who likes to work on his sports car occasionally.