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.
Connect a yellow, 14-gauge ground wire from the negative (-) terminal on the gauge to your boat's common ground or common grounding buss. Whether the connection to the fuel gauge is a clip connection or a screw connection, spray it with vinyl electrical insulator spray after making the connection.ifferent brands of gauges and different gauges from the same manufacturer have a variety of connection types. Some use a screw to make the connection to the terminal on the fuel gauge or a clip for the connection while others require you to solder the wires to the terminals.