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2004 V70 Flood damage, runs but various electrical issues

Volvo S70 Made from 1998 to 2000, this sporty model replaced the 850 sedan and instantly became a hit.

2004 V70 Flood damage, runs but various electrical issues

Old 03-08-2019, 06:17 PM
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Join Date: Mar 2019
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Default 2004 V70 Flood damage, runs but various electrical issues

Was forced to drive my 2004 V70 through some standing water. Ended up with about 4" of water on the cabin floor. Was able to get it started and it seems to be running fine.
There are, however, several electrical issues. I've been dewatering as best I can, and some things are improving. Gas gauge not working, fuel door won't open, rear door locks
not working, check engine message is showing. Wondering if there is a particular place that I should concentrate on, or if there are several areas that could be causing problems.
Any help would be appreciated. Thank you.
Old 03-09-2019, 09:57 AM
Join Date: Mar 2012
Location: Ridgefield, CT
Posts: 4,775

There are various relay panels and CEMS (central electronic modules which have smaller relays) in the car. Search online for a wiring diagram then check the owners manual for the location of the secondary relay boxes to see which are in play for your problems. For the rear doors you may need to pop off the door cards to see if the water didn't drain and if there's residual moisture.
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