Voltage on MX5

Audio, Electronics and Lighting questions and answers

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RaYmO
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Voltage on MX5

Postby RaYmO » Mon Sep 10, 2007 6:19 pm

Hi Guys,

Sorry for Noob question, does the MX5 (NA) run on 12V setting?

My Q is related to sourcing the right gauges.

Cheers,

Ray
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AJ
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Postby AJ » Mon Sep 10, 2007 6:21 pm

yes.
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Benny
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Postby Benny » Tue Sep 11, 2007 4:58 pm

All modern cars run a 12V system with negative earth.
In the old days many cars ran only 6V and had poor starters and headlights because of it and there was a mixture of both positive and negative earths whihc drove radio makers and auto electricians crazy.

A few years ago, there was a push to move cars up to 42V to run all of the electronics and electrical acessories a lot better, and they were also trying to have the starter motor and alternator joined into one unit.
There are a number of advantages to running 42V systems as against a 12v system, but in the end, the car makers just wanted to remain with the status quo and stay with the 12v.
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