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Posted by: vin man Feb 3 2017, 11:50 AM

Can someone tell me the ohm range for the original fuel sending unit in my 72 914? I'm ordering new, aftermarket gauges and want to use my original sender.

Thanks.

Posted by: 914Sixer Feb 3 2017, 01:29 PM

90 ohms

Posted by: vin man Feb 3 2017, 02:55 PM

Thanks for answering my question. That is a range.

I should have asked, "What is the ohm reading on Empty and the ohm reading on Full?"

The gauges are usually set up for a big to small reading or small to big reading. (empty to full)

Posted by: Dave_Darling Feb 3 2017, 04:50 PM

The 914 sender is backwards. It's 90 ohms empty, and something like 10 full.

--DD

Posted by: vin man Feb 3 2017, 05:18 PM

Thanks Dave. I ordered the wrong gauge. I ordered zero empty and 90 full. Will try and change it.

I ordered the Auto Meter 3314 https://www.summitracing.com/parts/atm-3314

The only thing close to what Dave is stating is the one that goes from 73 ohms empty to 10 ohms full. Is that the one I need? https://www.summitracing.com/parts/atm-3315

Posted by: turnaround89 Feb 3 2017, 05:46 PM

It's more expensive but you could buy the atm 3310.

http://www.egauges.com/E-F-Fuel-Level-2-1-16-p/atm-3310.htm

The gauge is programmable to any ohm range. I used one of these on my first car and now am using a speedhut adjustable fuel gauge. They are easy to program.

Posted by: vin man Feb 3 2017, 07:02 PM

That would have been a good option too. I called Summit and switched it to the 3315.

Thanks.