a long one but hear me out:

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Still screwing with the fuel gauge on the 68. Have read many post and diagrams and still troubled. I have continuity from wire at sending unit to tan wire at dash plug, no prob. Have power to the pink power feed at the dash plug no prob. Have purchased new gauge ( 3rd one to try) and no reading or needle movement 1st question The new gauge has a white piece on back from the two terminals but nothing else. Should there be a "resister" or something else other than just the plastic piece? if yes should it not have come with anew gauge or is that a item itself? 2nd question looking at the the post on troubleshooting the fuel gauge it states that with the gauge removed to ground the caseing, ground the ground tab and add 12 volts to the hot side. it states the gauge should read empty and then removing the ground from the sender post it should jump to full. ALL 3 of the gauges I have when hooked up this way goes to approx 4 or 5 o'clock position and will not move back at all, they just stay there. What am I missing?? Bad gauges ,? When rempoving the sender wire nothing happens with the gauge at all so I not sure my gauge or sender is working. Both new but that does not always mean anything. I am perplexed. Am i testing the gauge correctly? I am following the famous trobleshooting guide but maybe misinturputing it. Help please This is getting old and i am sure some are tired oh hearing me moan about it SORRY. Thanks to those who read and respond. Gary