Anybody use one of the cheap fuel gauge converters?

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1MeanA

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I was wondering if anyone has successfully used one of these ( Fuel Gauge Converter Module Ohm Range Converter Sender Fix Ohm Mismatch to Fuel Level Gauge for Any Fuel Tank Interface)
My gauge is functional but way out of calibration even with the old stock sender. I was wanting to buy a MeterMatch converter but its $125 Cdn plus $48 shipping charges! I see Amazon and Ebay are full of them now at $40-$50.
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Amazon.com: MH Fuel Gauge Converter Module Ohm Range Converter Sender Fix Ohm Mismatch to Fuel Level Gauge for Any Fuel Tank Interface : Automotive
 
I used a couple of meter match clones from Ebay and they worked ok. Have Spectra sending units in the tanks and they read way off without them.

The one you show has a strange way of wiring it up, might want to stay away from that one.
 
I used a couple of meter match clones from Ebay and they worked ok. Have Spectra sending units in the tanks and they read way off without them.

The one you show has a strange way of wiring it up, might want to stay away from that one.
Whats strange? They all seem to be the same…input,output, power,ground. The reviews are decent.
 

I finished testing and plotting the gauge response and found it to be far from linear (although I only know the sender resistance end points from the test I did when I had it out last year). Those 1000 piece resistor kits and cheapo variable voltage DC power supplies come in handy. I cancelled the Amazon FM101 converter as its only 3 point and bit the bullet and ordered the 4 point MeterMatch unit through Summit as shipping was a bit cheaper than buying direct).
 
I got the MeterMatch module yesterday and did a bench calibration using my DC power supply and a bunch of resistors. I used a sending unit curve that I found here at FABO. Full and Empty readings were taken from my factory sending unit back when I had it out a year ago. Its now calibrated and ready to install. I can fine tune it once my cluster goes back in and spring arrives in 4 or 5 months. After watching the video and reading the instructions (most of it :)) it was pretty straightforward. I had one issue initially and called Tanks Inc. The old guy on the phone was able to help out although he didn't initially recall that using resistors was an option. I had missed grounding the resistor. I set full and empty and then did 1/4 and 1/2. So far I am happy with the MeterMatch and Summit! This unit, unlike the Amazon ones, has 4 set points and I believe is a better although more costly unit.
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