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Ammeter Circuit

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Old Sep 4, 2007 | 09:31 PM
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Default Ammeter Circuit

Ever want to know how exactly the amp meter circuit works?
I worked on this for a while today. Its actually for a 69 so YMMV.
I distilled this down from a 3 page schematic I got from Roger. Then figured out how it works and made some notes

Hope it helps some
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Old Sep 4, 2007 | 09:54 PM
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Thanks. I need to fix this circuit in my 75. Keeps toastin' ammeters.
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Old Sep 4, 2007 | 10:18 PM
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Look at the connections at A and B. Thats about the only thing that will do that, a bad/intermittent connection at either point will shunt to much current into the meter
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Old Sep 4, 2007 | 10:29 PM
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Originally Posted by SIXFOOTER
Look at the connections at A and B. Thats about the only thing that will do that, a bad/intermittent connection at either point will shunt to much current into the meter
Look close at B...its the fusible link and on the 69 I'm working on its "stuffed" up under the wiper motor.The one I'm working on has the insulation on the link wore off and partially melted.Vettecrazy yours might be the same.
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Old Sep 5, 2007 | 08:50 PM
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Good point Roger, only take a pinhole in the insulation to short against the motor housing
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Old Sep 5, 2007 | 09:26 PM
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Thanks to both of you!!!!

My weekend project.
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