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37 Plymouth
  • cd mulford
    Posts: 2Hitchhiker
    I've installed 6 volt sealed beam headlights and want to put in a headlight relay. 37' Plymouths have a positive ground system - do I need a relay specifically for positive ground?



    cd mulford
  • Steve E.
    Posts: 520Platinum Member
    As long as it's not a solid state unit, they'll work on either polarity.
  • cd mulford
    Posts: 2Hitchhiker
    Steve - Thanks, I've ordered a solid state relay.



    cd mulford