9 ELECTRICAL PARTS FOR AUTOMOBILES AND TRUCKS, NAMELY-VOLTAGE REGULATORS, SOLENOID SWITCHES, DIODE ASSEMBLIES, RELAYS FOR LIGHTS, HORNS, AND BATTERIES, NOISE SUPPRESSORS AND CONDENSERS, AXLE SWITCHES, TOGGLE SWITCHES, PUSH-PULL SWITCHES, HORN SWITCHES, LIGHT SWITCHES, DIMMER SWITCHES, PANEL SWITCHES, AMPERE METERS, OIL PRESSURE GAUGES FUEL GAUGES, TEMPERATURE GAUGES TACHOMTERS, VOLT METERS