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The Terminator
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Aeroforce voltage reading inaccurate
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<blockquote data-quote="Comp04svt" data-source="post: 15595921" data-attributes="member: 73358"><p>So I spent a good amount of time searching around. I found a few threads mentioning people with aeroforce gauges reading inaccurate voltage. The voltage seems to read .5 volts or so lower than measured at the battery. The few threads I found didn't really have much info, or resolutions.</p><p></p><p>While idling, I'm measuring 14.3-14.5 volts at the battery, and at the fuse block with a multi meter. My aeroforce reads 13.8-14.2 volts. Seems the gauge changes quite a bit, between 13.8-14.0 and the multi meter stays pretty steady at 14.5. I understand the aeroforce is reading whatever the ecm sees, so why would the ecm see .5 or volts less than what is at the battery/block/alternator? I cant imagine there would be that much of a voltage drop. At WOT the gauge drops down to around 13.5 volts up around 5500rpm, but I haven't checked to see if the voltage at the battery also drops some. but I assume some drop up near redline is normal.</p><p></p><p>Anyone out there dig into this before?</p></blockquote><p></p>
[QUOTE="Comp04svt, post: 15595921, member: 73358"] So I spent a good amount of time searching around. I found a few threads mentioning people with aeroforce gauges reading inaccurate voltage. The voltage seems to read .5 volts or so lower than measured at the battery. The few threads I found didn't really have much info, or resolutions. While idling, I'm measuring 14.3-14.5 volts at the battery, and at the fuse block with a multi meter. My aeroforce reads 13.8-14.2 volts. Seems the gauge changes quite a bit, between 13.8-14.0 and the multi meter stays pretty steady at 14.5. I understand the aeroforce is reading whatever the ecm sees, so why would the ecm see .5 or volts less than what is at the battery/block/alternator? I cant imagine there would be that much of a voltage drop. At WOT the gauge drops down to around 13.5 volts up around 5500rpm, but I haven't checked to see if the voltage at the battery also drops some. but I assume some drop up near redline is normal. Anyone out there dig into this before? [/QUOTE]
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Aeroforce voltage reading inaccurate
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