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Fitting aftermarket HU with no ACC position on ignition switch
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<blockquote data-quote="HardofWhoring" data-source="post: 8856283" data-attributes="member: 674149"><p>So you have your main power wire which feed the current it needs. Your original HU would have had it, and you probably connected your new HU to it. </p><p></p><p>I'm certain you have an ACC position. Any circuit that is OFF when the car is off, OFF when the vehicle is cranking and ON when the car is running is an accessory circuit. Not sure on your vehicle, but some newer vehicles are activated when you get in the car, or the key remote is close. It acts as a switch/power button to turn on the load. Radios are always on ACC circuits, dash lights, your interior items that aren't critical, since you don't want to take away from your starter's ability to crank at full power. Your factory head unit WILL have one. I would just buy a test light to find it if you need to, but you should be able to find the schematics.</p></blockquote><p></p>
[QUOTE="HardofWhoring, post: 8856283, member: 674149"] So you have your main power wire which feed the current it needs. Your original HU would have had it, and you probably connected your new HU to it. I'm certain you have an ACC position. Any circuit that is OFF when the car is off, OFF when the vehicle is cranking and ON when the car is running is an accessory circuit. Not sure on your vehicle, but some newer vehicles are activated when you get in the car, or the key remote is close. It acts as a switch/power button to turn on the load. Radios are always on ACC circuits, dash lights, your interior items that aren't critical, since you don't want to take away from your starter's ability to crank at full power. Your factory head unit WILL have one. I would just buy a test light to find it if you need to, but you should be able to find the schematics. [/QUOTE]
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Car Audio Equipment
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Fitting aftermarket HU with no ACC position on ignition switch
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