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Automatically time the fuel line before starting the engine. We will teach you how to assemble an automatic electrical system using 2 common relays and 1 timer relay (Siemens D5639, or other equivalent). The gauge (thickness) of the wires used must be 2.5 millimeters (2.5 mm). This system times for 8 seconds, which is enough time to fill the carburetor bowl. With this system, repairs can be made to the vehicle without the pump being on all the time and without using any type of on/off switch. Electrical diagram: https://goo.gl/EcswJ3 SUBSCRIBE to receive notifications of our next videos: https://goo.gl/FkALvi Share this video: • Fuel Pump Timer... Access our other videos: https://goo.gl/vrRHgJ Don't forget to register your email on our website! ** Visit our website: http://oragiocursosautomotivos.com.br ** Forum: http://www.forum-oragiocursos.forumei... ** Facebook: / oragiocursos ** Orágio Vídeos App: https://goo.gl/xYhHCl ** Instagram: https://goo.gl/xjkRY0