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electrical problems, passenger seat, 12v outlet, radio

Help, Advice, Owners' Discussion and DIY Tutorials on Volvo's stylish, distinctive "P2" platform cars.

2001 - 2007 V70
2004 - 2007 V70 R
2001 - 2007 XC-70
2001 - 2009 S60
2003 - 2007 S60 R

BryonTheCanadian
Posts: 22
Joined: Wed Jan 09, 2019 1:47 pm
Year and Model: 2006 XC70
Location: ON
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BryonTheCanadian

Re: electrical problems, passenger seat, 12v outlet, radio

Post by BryonTheCanadian » Sun Jan 20, 2019 12:58 pm

Thanks again... Yea i have to get mine fixed as well im counting on the repair fixes a bunch of things like the back up sensors.... The only confusing part is my radio does have power but zero lights... Kinda wonder if its linked to the Amp in some way under the pass seat which also has no function.... I also wonder why one couldn't splice in power from another source to light it up.

Sean87wk
Posts: 1
Joined: Sat Jan 19, 2019 2:53 pm
Year and Model: 2004 XC90
Location: OR
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United States of America
Sean87wk

Re: electrical problems, passenger seat, 12v outlet, radio

Post by Sean87wk » Sun Mar 17, 2019 10:34 pm

I recently started experiencing this problem as well in my 2004 XC90. Today I verified that there was no power coming to fuses 10,11 in the passenger fuse box. I traced the larger gauge purple wire coming out of the back of fuse 11 to relay CMA2 in the passenger compartment under the dash. I replaced it with a good relay and voila! the passenger power seat and 12V sockets worked! I was totally prepared to remove the CEM and send it out to be repaired so I'm glad I tried this first.

EngineeringBloke
Posts: 231
Joined: Sat Sep 08, 2012 7:31 pm
Year and Model: 2006 2.5T S60
Location: Boston
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United States of America
EngineeringBloke

Re: electrical problems, passenger seat, 12v outlet, radio

Post by EngineeringBloke » Mon Mar 18, 2019 3:47 pm

Good job, Sean.

So CMA2 is on the CEM but is removable? I was under the impression that later CEMs had relays soldered in place.

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