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Old 08-30-2013, 12:27 PM   #1
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Default 12 volt negiative ground

I have converted my 53 merc engine to 12 volt positive ground. I have been told that Runtz gauge voltage regulators are designed for positive ground applications only. how do I reduce the voltage down to 6 volts on the gauges? I converted to 12 volts in order to use an alternator and Mallory mechanical distributor. does anyone see a problem or a solution? thanks steve
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Old 08-30-2013, 01:56 PM   #2
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Default Re: 12 volt negiative ground

Are you sure it's not 12 volt negative ground?
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Old 08-30-2013, 02:22 PM   #3
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Default Re: 12 volt negiative ground

Yeah I'm sure you mean 12v NEG ground, just put 12v gauge power wire on the Runtz voltage input side, it is marked in & out, you can test it for 6v coming out before hooking it to gauges. It takes (1) Runtz reducer for each gauge, seperate the gauges, they have to be fed separately.
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Old 08-30-2013, 04:47 PM   #4
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thanks a lot seems like everytime you change one thing you create two more problems
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