Replacing Ammeter with Voltmeter
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Posting Legend
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Replacing Ammeter with Voltmeter
Does anyone know of an application that has a voltmeter with the same form factor as the ammeter in our trucks? I would like to use a voltmeter rather than trying to use an ammeter on my reworked electrical system.
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Posting Legend
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Thanks, I found it:
https://www.ford-trucks.com/forums/s...er%252Bammeter
The meter out of a 70's 280Z fits, there may be others if I just look in enuf vehicles in the scrap yards.
Your memory is good, that post was 2 years old.
I was kind of hoping to find a unit out of a Ford HD truck that would work
https://www.ford-trucks.com/forums/s...er%252Bammeter
The meter out of a 70's 280Z fits, there may be others if I just look in enuf vehicles in the scrap yards.
Your memory is good, that post was 2 years old.
I was kind of hoping to find a unit out of a Ford HD truck that would work
Lead Driver
Joined: Nov 2000
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From: Albuquerque
What memory? 
Actually I would like to do this myself. I hate to modify the stock cluster but the ammeters never work well. I also have half the Auto Meter catalog hanging off the dash and steering column and would like to get rid of one or two of them.
Actually I would like to do this myself. I hate to modify the stock cluster but the ammeters never work well. I also have half the Auto Meter catalog hanging off the dash and steering column and would like to get rid of one or two of them.
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Posting Legend
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I have 4 clusters to play with so I can afford to mess one or two up getting it right.
The ammeter works OK in the stock configuration if you go thru and solder and clean all the connections. There is a very small current signal that makes it work and one bad connection will ruin the reading.
If you start adding circuits off the battery like a big amp or bright headlight relays etc the ammeter no longer measures all of the current flowing so it does not work right. I have always liked voltmeters better anyway.
The ammeter works OK in the stock configuration if you go thru and solder and clean all the connections. There is a very small current signal that makes it work and one bad connection will ruin the reading.
If you start adding circuits off the battery like a big amp or bright headlight relays etc the ammeter no longer measures all of the current flowing so it does not work right. I have always liked voltmeters better anyway.
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Posting Legend
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Any other combinations fit??? I would like to have options to search for when I go junkyarding.
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Elder User
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From: Southern NJ
I recall noticing them in some of the Heavy Trucks and school buses. One of my old boss' 74 (?) Ford Dump Truck had one. Can't recall what size it was exactly. That'd be the first place I'd look, anyway. Good luck, let us know where you track them down.
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Posting Legend
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Was that dump truck an individual gage or was it part of a cluster. The worst part of this is that the ammeter gage sits upside down. There are a number of gages available that sit right side up. My Ford Explorer has a voltmeter that sits upside down but it is a newer style gage without any scale 
To me a voltmeter must have a scale of some sort.
To me a voltmeter must have a scale of some sort.
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