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> VDO fuel gauge questions
roundtwo
post Mar 15 2023, 11:03 AM
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OK, so I’ve scoured previous post about this topic and I’m now at this point.
-cleaning up some previous owner work
- VDO fuel gauge part number V301030. Rated 0 to 90 ohms.
- New stock sending unit putting out 36 ohms now as gas tank about 1/2 full.
- all wires continuity tested and I’m sure i all hooked up correctly. Yes-grounds all
checked.
Problem- gauge reads full.
-assumption the pin configuration on the sending unit plug is correct- see pic

Fix?
- install VDO gauge v301020. Range 10-73 ohms
- Will this gauge work close enough with the stock sender?

Or…. Do I need to replace the stock sending unit to match the gauge ohm range exactly?

Thanks for the help

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roundtwo
post Mar 16 2023, 04:59 PM
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@mmascari

Thanks so much. My suspicion was of all the VDO fuel gauges, that might work as the ohms looked like a close match to the stock fuel sender. I talked to a tech at jbugs but he couldn't tell me if that gauge would work with the stock sender. He said he just wasn't all that knowledgeable about Porsche stuff. Fair enough.

Much appreciated!

Todd
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