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Old 06-08-2013, 10:12 PM
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BigRobK BigRobK is offline
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Installing autometer fuel gauge

Hello all, what is the ohms specs for my 68 f100 with stock tank sending unit. Auto meter was 3 to choose from,
1: 0 ohms empty 90 ohms full
2: 72empty 10 full
3: 240 empty 30 full
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Old 06-08-2013, 11:29 PM
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Stock sender? Please read Fuel Tank Sending Unit Tech - FORDification.com

... got to the bottom of the page because there appears to be issues between OEM and aftermarket senders.
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Old 06-09-2013, 08:59 AM
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If you have a stock sending unit, 70-10 is the one you want. I just installed one in my truck last week. It's working at this time but not very accurate. There seems to be a lot of movement on the needle. I did not connect the voltage regulator initially but I think I will go back and try it to see if makes any difference. The stock gauge was working ok so I think the sending unit is ok. I would be curious if you see the same behavior after installing yours.
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Old 06-09-2013, 09:03 AM
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Originally Posted by LittleG View Post
If you have a stock sending unit, 70-10 is the one you want. I just installed one in my truck last week. It's working at this time but not very accurate. There seems to be a lot of movement on the needle. I did not connect the voltage regulator initially but I think I will go back and try it to see if makes any difference. The stock gauge was working ok so I think the sending unit is ok. I would be curious if you see the same behavior after installing yours.
Read the article I posted and ya might understand why it isn't accurate.
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Old 06-10-2013, 10:08 PM
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Stock sender? Please read Fuel Tank Sending Unit Tech - FORDification.com

... got to the bottom of the page because there appears to be issues between OEM and aftermarket senders.
Thank you great article! I'm ordering the 240 Ohm Empty / 33 Ohm full gauge and sending unit.
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Old 06-10-2013, 11:26 PM
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You're welcome. Glad to help.
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Old 06-10-2013, 11:26 PM
 
 
 
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