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Old 12-14-2012, 08:42 PM   #1
yellowGT
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how does the ammeter work?

I have been wondering why mine doesnt work here lately. I everything works as far as the gauges but thats because the cluster harness is plugged in right? Does the ammeter work different because i noticed it has tw0 prongs on the back of it. HELP me out.
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Old 12-14-2012, 09:12 PM   #2
Longhorn 70
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Re: how does the ammeter work?

As I recall there is a little dinky P.I.T.A. fuse in a small rubber connector behind the battery. I want to say it is in a brown wire.

It has been a while since I replaced it though.
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Old 12-14-2012, 09:26 PM   #3
VetteVet
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Re: how does the ammeter work?

Here's a few threads to read. They will answer your questions.

...........http://www.google.com/custom?domains...D%3A1%3B&hl=en
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Old 12-15-2012, 10:29 AM   #4
68gmsee
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Re: how does the ammeter work?

Ammeter works in series to voltage. That's why you have two wires -incoming 12vdc and outgoing 12vdc.

Mine would not work on my 68. First I made sure this ground clip was installed. I also replaced the engine to cab ground strap behind the drivers side head, installed a ground strap from engine to frame, cab to frame, bed to frame and one on radiator support. Basically you want to create a good ground back to negative battery. I got rid of a lot of all my gremlins, head lights work better and ammeter works great now.
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