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Q&A for How to Install a Car Volt Amp Gauge
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QuestionIs there an easy way to install a volt amp gauge on my car?Frank Hernandez is an ASE Master Certified Technician based in La Palma, CA. With over 7 years of experience, Frank is certified in collision, maintenance and light, and undercar repair. He is currently an Automotive Technology Instructor teaching on-board diagnostics, maintenance & repair, and customer service. Frank has an Associate of Science degree in Automotive Engineering Technology from Cypress College.You can use a plug-in voltmeter that fits directly into your car's cigarette lighter or 12V accessory socket. This measures real-time readings of your car's voltages without the need for complicated wiring to be done. This is a great and easy option for quickly monitoring your car's battery’s health and alternator performance. Since it uses your car’s power directly, it’s quite accurate and reliable. Many models also offer extra features, such as USB charging ports for charging devices, making them more useful.
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QuestionCan I just use the two wires from my amp gauge to hook up to my new volt meter gauge?Community AnswerThe voltmeter will cause a slight draw on the battery so I would recommend using a wire that is hot with the key in the "on" position.
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QuestionWhere can I find the 12 volt ignition tie in point?Mike LenciCommunity AnswerMost cars and trucks have a 12 volt "ignition on" access terminal at the fuse box. Look for an unused male or female terminal and test it with a test light when the ignition is turned on.
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QuestionWhy do the wires spark when I hook them up?Community AnswerBecause you're putting the wrong wires on first or you didn't disconnect the battery.
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