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Ford 6640 Dash display problems
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<blockquote data-quote="JW IN VA" data-source="post: 1639730" data-attributes="member: 21289"><p>My '94 6640 Sl has developed two problems in the gauge cluster this week.</p><p>First,the fuel gauge stopped registering.I checked the wires since I had blown out the radiator area but they were hooked solidly.</p><p> Wasn't terribly concerned,for now,since I could watch the hours and guesstimate when it was time to fill up.That was until today when I noticed the hour meter had stopped counting at 6189.8.</p><p> I've had the hour meter stop before when a voltage drop occurred because of a faulty battery temperature sensor which was replaced with an upgraded fix last year.At that time,neither the PTO switch nor the tach would work,either.</p><p> I have both the PTO and tach needle working right now.</p><p></p><p>Any suggestions about what to test or check would be appreciated since I'd rather not buy a new outfit if I don't need one.</p><p></p><p>My display is all analogue.Just conventional fuel and temp gauges plus a row of warning lights.</p></blockquote><p></p>
[QUOTE="JW IN VA, post: 1639730, member: 21289"] My '94 6640 Sl has developed two problems in the gauge cluster this week. First,the fuel gauge stopped registering.I checked the wires since I had blown out the radiator area but they were hooked solidly. Wasn't terribly concerned,for now,since I could watch the hours and guesstimate when it was time to fill up.That was until today when I noticed the hour meter had stopped counting at 6189.8. I've had the hour meter stop before when a voltage drop occurred because of a faulty battery temperature sensor which was replaced with an upgraded fix last year.At that time,neither the PTO switch nor the tach would work,either. I have both the PTO and tach needle working right now. Any suggestions about what to test or check would be appreciated since I'd rather not buy a new outfit if I don't need one. My display is all analogue.Just conventional fuel and temp gauges plus a row of warning lights. [/QUOTE]
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Ford 6640 Dash display problems
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