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Reply to "New gas tank sending unit."

It depends on your gauges.  VDO's standard is 10-180 Ohms, while old VW standard is 73-10 Ohms.  Mixing the senders incorrectly will make it read backwards and also not give an accurate full or empty when bent 180 degrees.  There have also been some oddball (non-VDO) Brazil gauges as well as some oddball China gauges with "custom" Ohms ranges that really don't match either of these but can be controlled with the above by setting the stops at the appropriate spot.

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