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140/164 Series General Forum for the Volvo 140 and 164 cars |
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Voltage StabiliserViews : 920 Replies : 4Users Viewing This Thread : |
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Jan 26th, 2019, 23:09 | #1 |
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Voltage Stabiliser
My temperature and fuel gauges do not work at all and I see in the wiring diagrams a voltage stabiliser.
Is anyone able to explain exactly what it is please? I wonder if I’m able to get an alternative. Is it 5V or something?
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2006 XC70 D5 Manual 1968 Amazon Estate, B18A + Overdrive 2019 V60 D3 Momentum Pro Manual 1970 Amazon 2-Door 1970 142DL |
Jan 27th, 2019, 20:41 | #2 |
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They are usually 10v out for varying voltages in. Gives the instruments stable voltages and so give a correct measurement. For the 142 it's probably a small rectangular relay type of can and is normally fitted close to the instruments. Check your fuses. Amazons sometimes lose their small gauges if one of the fuses is bad or making bad contact.
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Jan 29th, 2019, 13:17 | #3 |
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Thank you Derek.
My plan is to get in behind with my voltmeter to check there's good feed to the little can. A bit of research suggests while 240's are 10v, the old 140's are 5.1V and as such, the can can be replaced or repaired using a 5v voltage stabilizer. To check the gauges, I wonder if I can use my Tomtom plug which is 5V?!
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2006 XC70 D5 Manual 1968 Amazon Estate, B18A + Overdrive 2019 V60 D3 Momentum Pro Manual 1970 Amazon 2-Door 1970 142DL Last edited by swedishandgerman; Jan 29th, 2019 at 13:34. |
Jan 31st, 2019, 22:26 | #4 | |
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Quote:
Basically, this stabilizer provides an AVERAGE of 5.1 volts, not a constant 5.1 volts. I suspect the reason a modern 5.1 volt stabilizer doesn't work is because the gauges need 12 volts to show anything, even though this voltage would quickly burn them out if provided constantly. You may need to buy am instrument cluster with a known good stabilizer that you could scavenge in order to get a replacement. |
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Jan 31st, 2019, 22:49 | #5 |
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Yes, it is 5.1v which surprised me. Attached a page from the electrics Green Book. Stabilser is shown in pic at left top, the rectangular can with the wires going to it.
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