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A broken wiper motor, a turn signal that's gone dark, or an ignition coil causing rough running – electrical faults on a 850 often settle in the same spots. Every 850 runs 12V negative ground with a transverse 5-cylinder engine, so troubleshooting starts from fuses, contacts and wiring rather than an old 6V architecture. Documented trouble spots include the ABS valve wiring, where certain chassis numbers are especially affected.
PV 544, PV 444, Duett, Amazon, 1800, 164
850, C70, S70, V70, XC70
940, S90, V90, 960, 850
1800, 164
850
Duett, PV 444, PV 544, Amazon, 1800, 164
240, 260, 760, 780, 740, 940, 960
240, 760, 740, 780, 940, V90, 960, S90, 850, S40, V40
164, 260, 240, 780, 760, 740, V90, 940, 960, S90, 850, S70, V70, XC70, C70, V40, S40
940, 850
850, V70, XC70, S70, C70
850
850
850
850, V70, XC70
240, 260, 740, 760, S90, 940, 960, V90, 850, C70, V70, XC70, S70
S90, V90, 960, 850
850, V70, XC70
260, 240, 780, 740, 760, 850
260, 240, 740, 760, S90, 960, 940, V90
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The subcategories split the electrical system by function so you can quickly find the right group:
