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S80 '06-'16 / V70 & XC70 '07-'16 General Forum for the P3-platform S80 and 70-series models |
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Car draining battery overnightViews : 1570 Replies : 13Users Viewing This Thread : |
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Jan 14th, 2020, 08:13 | #1 |
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Car draining battery overnight
hi All, new Volvo s80 petrol owner...265k miles !!! so. when parked up the car draws nearly 2 amps with everything switched off. (meter in series with battery)So even the brand new battery doesn't really stand much chance overnight on a cold day. Any ideas on what can draw power when ignition is off ? I need to remove some fuses but thinking alarm ? lights? locks? stereo ? any thoughts gratefully accepted.
Last edited by Imaden123; Jan 14th, 2020 at 10:20. |
Jan 14th, 2020, 10:46 | #2 |
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1st Test
With the engine revving at around 2000rpm and everything electrical turned on, measure the both the AC and the DC volts ideally using the alternator B+ and alternator casing. Report back both the AC and DC Volts figures. 2nd Test 2 multimeters makes this much quicker. One meter remains in series with the battery, the other meter does the tests. Trick the car into going to sleep then voltage drop test every fuse. Almost all will be 0.000V and they can be ignored. The ones showing any reading at all are the active circuits and can then be individually pulled and replaced to view their effect on the parasitic drain. Don't randomly pull fuses in any quantity. There'll be maybe 3 or 4 max which actually need investigating. That said, try the alarm fuse and audio fuse as an educated guess.
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2002 S60 SE D5 Manual 209000 miles Last edited by cheshired5; Jan 14th, 2020 at 10:49. |
Mar 29th, 2020, 17:43 | #3 |
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Hi cheshired5
I believe you have videos on YouTube with help for Volvo faults? Can you provide a link please? Thanks and regards. |
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Mar 29th, 2020, 19:26 | #4 |
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si robb youtube. great videos all very useful to all volvo owners
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Mar 29th, 2020, 19:57 | #5 |
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Is Cheshired5 sirobb?
As you say..great vids. Very knowledgeable and useful too. |
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Mar 29th, 2020, 23:46 | #6 |
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He sure is. He has a fantastic YouTube channel with helpful videos for Volvo owners. Definitely check it out.
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2007 S80 2.4 D5 - 110,000 miles |
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Mar 30th, 2020, 08:51 | #7 |
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Morning Simon,did you ever get any feedback from the o.p/imaden123? bit naughty if you didn't.
Regards,Keith.
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855 tdi auto.Now gone to new home in Wales. Short Four. |
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Mar 30th, 2020, 13:28 | #9 | |
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Quote:
If people don't conclude threads, we all miss out.
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2002 S60 SE D5 Manual 209000 miles |
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Mar 30th, 2020, 13:48 | #10 | |
Me ? Surely Not!
Last Online: Apr 5th, 2024 16:23
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Location: 2007 Volvo XC90 D5 Geartronic. South of Hadrians Wall.
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Quote:
It's just common courtesy Simon to a least thank someone offering advice but all too often even that is in the too hard box for some.
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“Do the right thing. It will gratify some people and astonish the rest.” – Mark Twain 😊 2007 Volvo XC90 D5 SE Geartronic |
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