Polarity
Maybe they got around the polarity problem by insulating the radio and its power supplies from the carriers hull ?
Was there another 6V battery somewhere apart from the carriers own battery ? Maybe there was a split charging system and they switched the second battery into series with the carriers battery when the radio was required ?
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1940 cab 11 C8
1940 Morris-Commercial PU
1941 Morris-Commercial CS8
1940 Chev. 15cwt GS Van ( Aust.)
1942-45 Jeep salad
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