Quote:
Originally Posted by DweebsUnited
We have powered them all the same way, with the 12v-5v converter specified by FIRST, directly from the 5v port of the PDB, from a 30 amp port on the PDB, and from a 12v wall wart adapter. So far, none of these methods have given us any trouble. They have all worked consistently.
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There's the problem. You're supposed to connect the dc-dc converter to the dedicated 12 volt supply on the bottom of the power distribution board. You can't connect it to twelve volts from a wall wart supply or from any battery terminal on the power distribution board, regardless of the fuse. Powering it directly from the 5 volt supply is fine, but you'll just have the radio reset at a higher battery voltage then if you connect it with the 12 volt supply to dc-dc converter.