Amp gauge

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Snuffdipper
Posts: 48
Joined: Sun Sep 27, 2020 9:29 pm
Zip Code: 78621
Tractors Owned: 1979 Ih cub
Location: Elgin, TX

Amp gauge

Postby Snuffdipper » Wed Oct 14, 2020 5:12 pm

Are both sides of amp gauge suppose to be hot with test light? I had alternator rebuilt today and installed new amp gauge. Gauge has pos and neg side but tested them with my test light and both sides are hot. Thanks
“The worst was the best at the time”

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MiCarl
501 Club
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Zip Code: 48154
Tractors Owned: 1944 Farmall H
1948 Farmall Cub
1994 Speedex 1631
Circle of Safety: Y
Location: Livonia, MI

Re: Amp gauge

Postby MiCarl » Wed Oct 14, 2020 6:03 pm

Both sides will be hot. The (+) and (-) indicate which side of the instrument is toward the pos and neg battery poles.
1944 Farmall H
1948 Farmall Cub
1994 Speedex 1631

Snuffdipper
Posts: 48
Joined: Sun Sep 27, 2020 9:29 pm
Zip Code: 78621
Tractors Owned: 1979 Ih cub
Location: Elgin, TX

Re: Amp gauge

Postby Snuffdipper » Wed Oct 14, 2020 6:36 pm

Ok thanks
“The worst was the best at the time”

Snuffdipper
Posts: 48
Joined: Sun Sep 27, 2020 9:29 pm
Zip Code: 78621
Tractors Owned: 1979 Ih cub
Location: Elgin, TX

Re: Amp gauge

Postby Snuffdipper » Thu Oct 29, 2020 8:04 pm

Rebuilt alternator and installed new ammeter gauge. Started tractor today and gauge is on zero what could it be sucker won’t move over to charge at all. Wish I new how to wire this thing maybe someone have wires crossed on gauge not sure. Might call a mobile mechanic to come out and throw an eye on it. Frustrating spending money for nothing
“The worst was the best at the time”

Crimson Tim
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Tractors Owned: The crew:
"John", 1952 Cub
"Paul", 1951 Cub
"George", 1958 LoBoy Cub with Wagner 45 Loader
"Ringo", 1977 Cub

So far, Paul and Ringo have arrived. John and George were supposed to follow ages ago, but apparently have gone awol. Long story.
Circle of Safety: Y

Re: Amp gauge

Postby Crimson Tim » Thu Oct 29, 2020 8:36 pm

Do you have lights? If so, with the engine off and the lights on, will it show a draw?
If it is charging and running, but the battery is not discharged, there will be almost no current flowing.

Have you found the right wiring diagram for your tractor? They are available under Quicklinks above unless someone posts it for you first.

Eugene
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Re: Amp gauge

Postby Eugene » Thu Oct 29, 2020 8:41 pm

Which alternator do you have - installed, single wire or 3 wire? Answer is gonna make a big difference in how the alternator is wired.
I have an excuse. CRS.

Snuffdipper
Posts: 48
Joined: Sun Sep 27, 2020 9:29 pm
Zip Code: 78621
Tractors Owned: 1979 Ih cub
Location: Elgin, TX

Re: Amp gauge

Postby Snuffdipper » Thu Oct 29, 2020 9:10 pm

It’s 3 wire alternator. Haven’t installed the lights yet took them off to paint them. I’ll get that done next few days and try it see what happens
“The worst was the best at the time”

indy61
10+ Years
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Circle of Safety: Y

Re: Amp gauge

Postby indy61 » Fri Oct 30, 2020 4:18 pm

I agree with Crimson Tim. If the battery is fully charged and no draw than the gauge will have very little or no movement.


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