mazfg Posted January 13, 2012 Share Posted January 13, 2012 I was just reading this about re-calibrating moving coil fuel gauges, by loosening and moving the nuts on the back of the gauge. http://mgaguru.com/mgtech/electric/fg_10.htm The article refers to using 68 ohm resistors as the sender if 70 ohms when tank fuel. Obviosly this is for an MGA. Does anyone know what the max. resistance is for a Vitesse sender unit is (for a moving coil gauge). I can then follow the procedure to check my gauge is as it should be?Thanks Link to comment Share on other sites More sharing options...
mazfg Posted January 13, 2012 Author Share Posted January 13, 2012 Although according to this and the six hole senders for moving coil gauges...90ohms indicates full,.... Link to comment Share on other sites More sharing options...
Pete Lewis Posted January 13, 2012 Share Posted January 13, 2012 I have a smiths test box and it would seem to measure 76ohms for full at the sender but that doesnt help muchits unclear, the test box does both but to me bimetal and iron are totally different sender values . are your gauges adjustable , I thought ( vaguely) that that only applied to a much earlier design and Im not about to climb under the dash to focus on mine , sorry pete Link to comment Share on other sites More sharing options...
mazfg Posted January 13, 2012 Author Share Posted January 13, 2012 Mine are adjustable as per the link for the MGA. Haven't touche them yet...but at 68ohms it's under full, will try with 76ohms and see....thanks for the info :)I thought my temp gauge was bi-metal, as per another post, but this is also moving coil and has adjustments...but works in the opposite way to the fuel gauge (ie: no resistance= Hot) Link to comment Share on other sites More sharing options...
Pete Lewis Posted January 15, 2012 Share Posted January 15, 2012 good luck Link to comment Share on other sites More sharing options...
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