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Central locking question

Help, Advice, Owners' Discussion and DIY Tutorials on all Volvo's "mid era" rear wheel drive Volvos.

1975 - 1993 240
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Orchid70
Posts: 49
Joined: Tue Feb 03, 2015 10:50 am
Year and Model: V70 2000
Location: Sweden
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Central locking question

Post by Orchid70 »

Volvo 940 - 1996 year model, Sweden sold.
My rear passanger side central locking is not working. All other locks work.
But the motor for the cetral lock does work when I put electricity to it.
So the problem must be somewhere in the wiring.
Where?
Could somebody help me where to find where to measure the wiring out to the central lock motor itself?
I would like to know where the different connectors are hidden so I can measure resistance between them.
The wiring diagram I have in the Haynes bok does not help much.

I have changed the (heater) fan and had to desconnect the groundings under the ECU box in the footwell on the right side (pessinger side). Its not so that it could be a bad grounding...???
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93Regina
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Year and Model: 93:240/940
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Re: Central locking question

Post by 93Regina »

Orchid70 wrote: Fri Aug 04, 2017 12:52 pm Volvo 940 - 1996 year model, Sweden sold.
1994-940
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Orchid70
Posts: 49
Joined: Tue Feb 03, 2015 10:50 am
Year and Model: V70 2000
Location: Sweden
Has thanked: 3 times
Been thanked: 1 time

Re: Central locking question

Post by Orchid70 »

Thank you 93Regina!

I did find the problem - I found the C149 connector well hidden inside the pillar and groundwire had no connection.
Broken wire between body and door - inside the rubber protection.
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