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Old 07-06-2015, 04:38 PM
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Installing a cb radio

Just installed my cobra 29 but I can't find a good place to connect the power cord to. It says that it needs 12 volts and for the negative to be grounded.

Anyone else done this before or have a good place to connect it to? Thanks.

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Old 07-06-2015, 05:53 PM   #2
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I ran my power straight off the battery I tapped into my cigarette lighter power but it didn't work very well

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Old 07-06-2015, 09:05 PM   #3
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Fuse tap might work well.
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Old 07-07-2015, 10:25 AM   #4
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I run my power from the cigarette lighter/power adapter plug. Works great. That way when I remove my CB (which is most of the time for daily driving), I just have to unplug it and go. This has worked great, but now I have my phone to charge too, so I might need to install another power plug.
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Old 07-07-2015, 11:30 AM   #5
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If you want it with switched power meaning ignition on ground near radio there is an area of dash frame usually has some spare holes. Hot wire all the way to fuse box and there is a single spade connector in mine that is hot on ignition on only lower left corner IIRC it actually said radio. If you want it hot always splice into the cigarette lighter.
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Old 07-07-2015, 12:54 PM   #6
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For best radio reception and transmission it should be run directly to the battery. The battery than acts like a filter and will eliminate a lot of spurious electronic "noise".

Also, put an inline fuse on both the positive + and the negative - connections close to the battery. The reason for both connections is that a short to ground can enter the negative side and damage the radio. Amateur radio operators do this because Ham equipment can be pretty expensive.

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