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Intermittent Stereo and 12V Outlets

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Old Sep 21st, 2019, 02:29   #1
S60Tom
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Default Intermittent Stereo and 12V Outlets

I am having a weird and intermittent fault with my HU-850 and 12 volt power outlets on my 2005 Volvo S60. There will be periods of around 6 weeks where there aren't any problems at all (apart from the fact that button illuminaton no longer works), followed by periods of around 8 weeks where the stereo unit is completely dead, the nav screen doesn't work and nor do the 12 volt outlets. There aren't any other electrical problems that I am aware of.

Could anyone potentially advise me if this is simply a matter of a dodgy fuse, loose connection or something potentially more serious?
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Old Sep 21st, 2019, 10:50   #2
SwissXC90
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Dodgy fuse, dodgy relay turning the power on, or a loose connection
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Old Sep 21st, 2019, 12:39   #3
XC70Bob
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looking at the diagrams I have there does not seem to be one common fuse that feeds everything.

12v socket rear
11E/1 > REM > F8

12v socket front
11E/4 > CEM > F11

audio
CEM > F28 > AUM
11C/10 > AUM
11E/1 > REM > F6
11C/11 > Amplifier

RTI
CEM > F28 > AUM
REM > F6 > RTI DVD
11C/12 > DPY > RTI DVD
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Old Sep 22nd, 2019, 03:21   #4
barrybritcher
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corroded CEM. there are some articles on google "remove volvo CEM"
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