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Discussion Topic:
Grounding 12 volt Receiver in 6 Volt Ford
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TomO |
10-13-2009 @ 7:24 AM
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Senior
Posts: 7250
Joined: Oct 2009
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I use the PGPI-HC converter available from many vendors to power the CB radio in my car. One source has it for $59. http://www.cliffsclassicchevrolet.net/page16.htm The advantages of the converter are that you don't have to worry about keeping a 12 volt battery charged or worry about it shifting around and grounding out in an emergency maneuver. Your wiring is also simplified as the converter is small enough to mount anywhere. I have mine mounted in the transmission hump speaker for the CB.
Tom
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supereal |
10-12-2009 @ 3:22 PM
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Senior
Posts: 6819
Joined: Oct 2009
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There is nothing wrong with the way you are doing it, as long as you keep the battery in the trunk isolated from the car electrical system. This is to prevent a problem with the ground side of the antenna, if you are not using a built in antenna with the receiver. I use an "upconverter" in one of my cars which produces 12 volts from the 6 volt input for the radio. Because of the fact that the negative input side of the converter was also the chassis ground, in my positive ground car, I had to isolate the unit, but the output of the converter was not connected to its chassis, so I could choose how to connect it to the radio. Most car radios use the chassis as the ground, so care must be taken to be sure no polarity conflict is produced.
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36fordor |
10-12-2009 @ 12:16 PM
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Member
Posts: 78
Joined: Oct 2009
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I'm running a 12 volt FM receiver in my 36 6 volt positive ground Ford from a 12 volt battery in the trunk. I've grounded the receiver from the negative battery terminal in the trunk & power it from the battery's positive terminal. Is this an acceptable way to ground the 12 volt receiver or should I be doing something different? Thanks.
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