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Instrument Cluster Failure

Help, Advice and DIY Tutorials on Volvo's P80 platform cars -- Volvo's 1990s "bread and butter" cars -- powered by the ubiquitous and durable Volvo inline 5-cylinder engine.

1992 - 1997 850, including 850 R, 850 T-5R, 850 T-5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Richard_TD
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Year and Model: 855 2.5 20V 1996
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Re: Instrument Cluster Failure

Post by Richard_TD »

Lolvolol wrote: 27 Sep 2019, 18:49
Something else I just noticed is that my clock is staying on constantly now, and the clock is the only thing that works other than the boost gauge. It’s odd to me that the clock will appear, but the info screens will not.
The boost gauge is mechanical and I assume the clock would normally be showing without the ignition being on. All the other functions need the ignition to be on, which suggests to me that the ignition feed has failed for some reason. I would find out where that feed is meant to come in on the cluster and see if you're getting 12V there.
1996 855 GLT 2.5 20V

Lolvolol
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Post by Lolvolol »

Richard_TD wrote: 28 Sep 2019, 21:27
Lolvolol wrote: 27 Sep 2019, 18:49
Something else I just noticed is that my clock is staying on constantly now, and the clock is the only thing that works other than the boost gauge. It’s odd to me that the clock will appear, but the info screens will not.
The boost gauge is mechanical and I assume the clock would normally be showing without the ignition being on. All the other functions need the ignition to be on, which suggests to me that the ignition feed has failed for some reason. I would find out where that feed is meant to come in on the cluster and see if you're getting 12V there.
That is a good point actually, although all of the warning lights still come on when you turn the key.

Lolvolol
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Post by Lolvolol »

misha wrote: 28 Sep 2019, 17:35 Allready pointed you into a right direction...few posts earlier.
I did check out erie’s Ebay and found one on there going for around 100...but I haven’t seen any junkyards around here with any Volvo’s.

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Stu70
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Post by Stu70 »

[/quote]
The caramel color might be electrolytic capacitors that have leaked and failed. These capacitors look like little cylinders. Generally speaking (all applications) they often fail simply due to age.

Your problem may be due to something completely different.
I’m honestly not sure what this stuff is, but am I wrong in thinking that the best idea may be to just find another cluster? Lol
[/quote]

When re working a faulty electronic board from a out sourced manufacturer , I would resolder the components then ‘paint’ over a varnish lacquer ( or just a permanent marker pen in a pinch). I would say on assembly of the vehicle a fault was picked up and repaired in factory or an under warranty remanufactured cluster was installed after sale.
1998 S70 10v BiFuel - Sold
2006 Sonic V70R - “this is going to be expensive “

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Stu70
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Post by Stu70 »

Stu70 wrote: 30 Sep 2019, 01:57
The caramel color might be electrolytic capacitors that have leaked and failed. These capacitors look like little cylinders. Generally speaking (all applications) they often fail simply due to age.

Your problem may be due to something completely different.
I’m honestly not sure what this stuff is, but am I wrong in thinking that the best idea may be to just find another cluster? Lol
[/quote]

When re working a faulty electronic board from a out sourced manufacturer , I would resolder the components then ‘paint’ over a varnish lacquer ( or just a permanent marker pen in a pinch). I would say on assembly of your vehicle a fault was picked up and repaired in factory or an under warranty remanufactured cluster was installed after sale.
[/quote]
1998 S70 10v BiFuel - Sold
2006 Sonic V70R - “this is going to be expensive “

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greg850r
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Post by greg850r »

Lolvolol wrote: 28 Sep 2019, 23:25
misha wrote: 28 Sep 2019, 17:35 Allready pointed you into a right direction...few posts earlier.
I did check out erie’s Ebay and found one on there going for around 100...but I haven’t seen any junkyards around here with any Volvo’s.
Will one out of an 850 work?
05 Cross Country wagon
99 C70 Convertible
96 850R wagon
96 850T wagon
96 850 GLT 5spd N/A sedan -wrecked, ouch
97 850R 5spd sedan
66 GTO 421SD 4spd
67 GTO 455 T400
02 Powerstroke 4x4
85 Yota 4x4 (2)
24' 454 Challenger
07 Softail Custom
02 Sportster Custom -sold
Parts cars come and go

Lolvolol
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Post by Lolvolol »

I got off of work today and rushed home to install the new cluster I ordered. I put it in and put everything back together... and it works! So I’m pretty happy about all of that. Thanks for all of your input!

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misha
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Post by misha »

Told ya!
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
History of Volvos in the family:
'71 144 S
'73 144 De Luxe
'78 244 DL
'78 244 DL
'79 244 GLE
'85 340 GLS

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