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700/900 Series General Forum for the Volvo 740, 760, 780, 940, 960 & S/V90 cars |
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Fuel Gauge Fault - Fixed! Plus Ext. Temp/Time/Volts Display!Views : 2993 Replies : 35Users Viewing This Thread : |
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Jan 16th, 2021, 18:33 | #21 |
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I'll definitely try the latest advice here, next time I get a few hours!
I'll get my multimeter out👍 |
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Jan 16th, 2021, 19:13 | #22 |
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What does the speedo do/not do?
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Jan 16th, 2021, 19:22 | #23 | |
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The guage could be the cause, I see that now. But yes I'll get my multimeter out and check. I gather that if the Odometer doesn't work and the speedometer does work then it could be a gear in the odometer (I've read that elsewhere here) but if both don't work it could be something else? I've had a quick read on previous threads but I've had an hour and had to keep half a brain on the kids so I am a bit overloaded at the moment! But I'll carry on reading and checking things as and when I get chance. |
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Jan 16th, 2021, 19:26 | #24 |
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The speedo mostly does nothing, as in it sits at zero. Once or maybe twice for a short period I've seen it display the correct speed, I used a GPS speedo ap to verify what each 10mph interval is in each gear according to the tachometer so I always know how fast I'm going, roughly. And for this short moment the speedo was correct. But that was a while ago now and it's been not reading anything since, nor did it read anything when I picked it up. Last edited by Tim1980; Jan 16th, 2021 at 19:40. |
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Jan 16th, 2021, 21:38 | #25 | |
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Jan 17th, 2021, 08:08 | #26 |
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Jan 17th, 2021, 09:16 | #27 | |
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There may be a problem between the connector and the speedo but that will be either in the instrument or the screws that connect it to the PCB - you could try loosening then tightening the screws, that will often clean the connections and restore operation but i suspect the actual instruments rather than the power.
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Jan 17th, 2021, 12:56 | #28 | |
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Edit: I'll try that with the fuel guage too just in case! |
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Jan 17th, 2021, 14:02 | #29 |
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any idea what these bayonet plugs are for, the double one has a lead that I unplugged with a red wire but only fits on one of the two. The other is a complete mystery on the back of the speedo, and there is another double clip I have just removed on another of the speedo screws...? A better pic with things out back together Last edited by Tim1980; Jan 17th, 2021 at 14:22. |
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Jan 17th, 2021, 14:15 | #30 | |
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Thanks for that. |
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