Coil plug for supplying electricity to ignition coils. O Injector plug for operating gasoline injectors. O MAF sensor plug: to measure the amount of air at the intake. O Temperature and oil sensor plug to measure engine temperature and oil pressure. Exhaust gas sensor plug (Oxygen) to regulate gasoline consumption. Throttle plug (throttle body) for electronic accelerator. Fan plug to operate cooling fans. Alternator and starter plug to charge the battery and start the engine. Clutch and compressor plug to operate the car's air conditioning. O Bulb and light plugs for headlights and fog lights We have coil plugs - injectors - sensors - fans - alternator - lights, for all American cars Ford, GMC, Chevrolet, Dodge). ( Phone number appears when clicking the contact button )