Quote:
Originally Posted by Ronnieroadster
Well the way I see and how this works if the 6 volt changing system is not working to that voltage output then the reading on the SW gauge will go lower since it will read down to 10 volts. Thus showing whats going on with the charging system voltage rather simple to understand the reading on the SW voltage gauge.
How you determine a crayon and excitement can be related to the post is amusing for sure. Heck its possible not using the original amp gauge for a charge reading may also add economy to the equation.
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DC-DC converters work in the way that a wide span of input voltage...lets say 6-15 gives you the same stabilized 12v output so as soon as you turn on the ignition the gauge will show 12v volt charging or not.
For the meter to show anything else then the set 12v...input has to go below the units minimum operating voltage and then output will be 0.
The car will probably stop running from low battery voltage before the regulator drop out voltage is reached and gauge wiill show a difference.