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      06-04-2009, 06:06 PM   #13
allsystemsgo
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Drives: 2000 528i
Join Date: Jan 2009
Location: Westchester New York - Charlotte North Carolina

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haha yea completely embarrassed myself there, especially seeing as I'm an electrical engineering student. I am actually installing a volt gauge for inside the car but for now I just hooked it up to see if I could get it working. I'm not entirly sure if what I saw was good, it showed a steady increase to 14volts after cranking but seemed pretty jumpy, when I revved it up it jumped very fast but only inside a 1volt range and held steady on 14ish volts at 3k revs, but I didnt rev much higher the engine was cold. I will try and officially install the gauge inside my car this weekend so I can watch it as I drive to get an idea of whats going on. Is there any simpler way to tap into the voltage coming from the alternator then running a wire from the batt in my trunk to the gauge in my console, or the port on the motor (I know stupid question, sorry)?