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Central Locking 850

The first thing you'll need is the wiring diagram for your car,
http://www.volvowiringdiagrams.com/?dir=volvo/850%20Wiring%20Diagrams
This site doesn't have the 1993 but use the 1994 if you can't find the right one.
You might find the 1993 with a little searching.

Does the trunk lock and unlock with the key? Do the back doors work then?

(I'm using the 95 850 schematic)
The central lock relay is a likely candidate for failure.
It's located at the engine compartment main fuse block lower level and marked "205 206"

See the wiring diagram page 163 for the schematic
and page 164 for component locations, grounds etc.

Bill






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New Central Locking [850]
posted by  luthier  on Thu Jun 25 16:16 CST 2015 >


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