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Do-It-Yourself (DIY) Question & Answer Forum
Connecting rear camera in car with a switch
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<blockquote data-quote="Geoff1946" data-source="post: 497375" data-attributes="member: 28452"><p>Had a further thought on this. Do you really want an unconditional OFF? i.e the centre switch position as described above.</p><p></p><p>I'm thinking partly about the need to run two wires from the back of the vehicle to the front. You could switch between ON and ON when reverse selected with one wire and a changeover relay at the back.</p><p></p><p>Use any normal switch to supply a wire to the back. Get a changeover relay and connect the switched wire to the coil and to the normally open contact. Connect the normally closed contact to the reverse light circuit and connect your camera to the relay common. The relay coil will also need an earth of course.</p><p></p><p>If you like the idea but can't follow my description let me know and I'll sketch it out.</p></blockquote><p></p>
[QUOTE="Geoff1946, post: 497375, member: 28452"] Had a further thought on this. Do you really want an unconditional OFF? i.e the centre switch position as described above. I'm thinking partly about the need to run two wires from the back of the vehicle to the front. You could switch between ON and ON when reverse selected with one wire and a changeover relay at the back. Use any normal switch to supply a wire to the back. Get a changeover relay and connect the switched wire to the coil and to the normally open contact. Connect the normally closed contact to the reverse light circuit and connect your camera to the relay common. The relay coil will also need an earth of course. If you like the idea but can't follow my description let me know and I'll sketch it out. [/QUOTE]
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Connecting rear camera in car with a switch
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