Selim Posted December 27, 2019 Share Posted December 27, 2019 Have problem with my Gas Tank Sender, keeps hesitating, moving irrationally . My car is Buick super 1949, converted to 12 v. i found 3 of them at Bobs but can’t tell which one should I buy ?! Help needed 1- https://bobsautomobilia.com/fuel-system/gas-tank-sender-1936-56-fs-368/ 2- https://bobsautomobilia.com/fuel-system/gas-tank-sender-1939-56-fs-395b/ 3- https://bobsautomobilia.com/fuel-system/1939-56-rubber-hose-connect-fuel-sender-.-fs-395/ Link to comment Share on other sites More sharing options...
Pete Phillips Posted December 28, 2019 Share Posted December 28, 2019 Depends on whether your fuel line that connects to the sending unit is still a steel line with fitting or whether it has been changed to a rubber hose. Link to comment Share on other sites More sharing options...
critterpainter Posted January 9, 2020 Share Posted January 9, 2020 If the conversion to 12 V was not done right, the gauge is fried. The gas gauge does not like 12V and on a Buick the + or Ign terminal on the fuel gauge is used as a junction block 1 Link to comment Share on other sites More sharing options...
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