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temp and fuel gauge doesn't work |
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65wagon 
AMC Fan 
Joined: Apr/16/2012 Location: Ohio Status: Offline Points: 18 |
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 Topic: temp and fuel gauge doesn't workPosted: Apr/29/2012 at 7:16pm |
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Hi, I have a 65 american wagon. I replaced the fuel tank sending unit with a new one. Fuel gauge doesn't work or move. Temp gauge doesn't either. The instrument dash lites work. Turn signal and oil light works. Any help would be appreciated--thanks
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rockAMX
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Joined: Sep/16/2011 Location: Lethbridge AB Status: Offline Points: 985 |
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Posted: Apr/29/2012 at 9:08pm |
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Lots of info on this on the forum. The instrument voltage regulator (IVR) plugs into the back of the instrument cluster and provides a pulsed 5.1 volts to the fuel and temp gauges. If the IVR fails, the gauges will not work. You need to pull out the cluster and find the IVR unit (usually 3 prongs) located usually between the temp and fuel gauges. No real way to test it but easy to replace.
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DWR
1968 AMX  |
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bigbad69
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Joined: Jul/02/2007 Location: Ottawa, Ont. Status: Offline Points: 6669 |
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Posted: Apr/29/2012 at 10:09pm |
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Actually, on an American, the IVR is part of the fuel gauge. Have a look through the electrical section here. There are lots of threads on this subject and there should be plenty of tips and suggestions.
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69 Javelin SST BBO 390 T10
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SEdmonds
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Joined: Jun/21/2009 Location: Arizona Status: Offline Points: 8196 |
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Posted: Apr/30/2012 at 12:07am |
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Welcome to the forum. Great to see another wagon on board.
Lots of us have had trouble with these two gauges. I did a quick search (Gas gauge) and came up with this listing. When I first joined the forum, I found a lot of my answers byt doing searches....or, if not answers, then I could eliminate posibilities.
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raysinvegas
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Joined: Jul/01/2007 Location: Las Vegas NV Status: Offline Points: 2501 |
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Posted: Apr/30/2012 at 1:19am |
Incorrect. On the 64-65 Americans, and probably 66, the IVR is a seperate piece. It's the later models where it is part of the fuel gauge.
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Andy Ray
64 440H 64 440 Convertible 68 Javelin SST 343 69 Javelin SST 343 69 SC/Rambler 
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bigbad69
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Joined: Jul/02/2007 Location: Ottawa, Ont. Status: Offline Points: 6669 |
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Posted: Apr/30/2012 at 7:57am |
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69 Javelin SST BBO 390 T10
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bigbad69 wrote: