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Old 01-26-2010, 10:31 AM
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1949 chevy pickup dash gauge setup

I have a 1949 chevy pickup. I've switched over to a 12 volt system with an alternator. It appears that we're going to have problems getting the amp gauge to work with a sixty amp alternator. Does anyone have any suggestions about how to get the stock gauge to work? Thanks

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Old 01-26-2010, 02:41 PM
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change it over to a volt gauge. for an amp gauge to work, the main feed to your fuse panel must go thru your instument cluster. oem fazed amp gauges out in the 60s. my 58 had an amp gauge, i tore it apart and used the guts from a 2 inch volt gauge to make mine work. a little creativity and some jbweld does wonders...

safety aside: amps are amps, your 6 volt amp gauge will work on 12 volts. your stock gauge is pegged at 30 amps, if your loading over that, change to a volt gauge.
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Old 01-30-2010, 08:16 AM
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It is possible to get an amp gauge to work without running all the power up to the dash, but you would have to have a gauge that is designed to use a shunt to measure amperage. However, my GMC truck has this setup, and once they age a little and wiring resistance changes, they never seem to read right. Switching to a voltmeter is the simplest and most reliable method.

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