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Gauge or warning lights stop working intermittently, alternator fails 900 1994

posted by  Amarin on  Tue Mar 26 13:57 CST 2019
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last visit: Thu Oct 23 22:42 CST 2014
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Hi Robsha,

If anyone has plugs that have been cut or wiring harness for instrument cluster let me know
--> Try finding it at a pick n pull yard. This a rare item as wiring only comes with the car. Else you could try to open/dismantle the 4-wire plug casing itself using jewellers screwdriver and tighten those electrical contacts directly. Another option is to slip something thin (eg. paper/thin cardboard) beneath that blue ribbon cable on the cluster to create tighter fit.

From Volvo wiring diagram, that 4-wire plug carries both power and ground for the instrument cluster and input from speed sensor at differential. Same power also used for alternator exciter light.

Amarin.






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New Gauge or warning lights stop working intermittently, alternator fails [900][1994]
posted by  robsha  on Wed Mar 20 16:10 CST 2019 >


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