Disco-Ron Posted February 21, 2014 Share Posted February 21, 2014 Does the oil pressure switch simply break the earth for the lamp on the dash?? the light on my recent purchase isn't even coming on, let alone going off...... Quote Link to comment Share on other sites More sharing options...
Ash.Witty Posted February 21, 2014 Share Posted February 21, 2014 Yes it breaks the earth when oil pressure is made and will turn the light off. Try the wire to a good known earth to make sure the light works and test the pressure switch to an earth with a multimeter to check for continuity. Quote Link to comment Share on other sites More sharing options...
Disco-Ron Posted February 21, 2014 Author Share Posted February 21, 2014 Cheers Quote Link to comment Share on other sites More sharing options...
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