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Compatibility of ECC units Topic is solved

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

1992 - 1997 850, 850 R, 850 T5-R, 850 T5, 850 GLT
1997 - 2000 S70, S70 AWD
1997 - 2000 V70, V70 AWD
1997 - 2000 V70-XC
1997 - 2004 C70

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Sveedy
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Compatibility of ECC units

Post by Sveedy » Sun May 03, 2020 2:24 pm

So does anyone know how compatible different ECC units are ? I believe in later years, not very, but not sure about earlier years. I might be in need of one, and I'm wondering how specific I have to be if I get one from a wrecking yard.
Sveedy is a '96, and I think there is a '95 in the yard.

Thanks all !
" There is enough in the world for everyones' needs, but not enough for everyones' greed. "
Gandhi

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Sveedy
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Re: Compatibility of ECC units  Topic is solved

Post by Sveedy » Sun May 03, 2020 5:29 pm

Damn I hate answering my own questions. :roll:
'93 - '97
" There is enough in the world for everyones' needs, but not enough for everyones' greed. "
Gandhi

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misha
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Re: Compatibility of ECC units

Post by misha » Mon May 04, 2020 2:58 am

RickHaleParker would have answer to your question.
Earlier versions from '93-'95 will not work properly in your '96(probably will not even work).
The best way is to find ecc unit with same numbers like yours(part number).
Same year and same part number.
'97 would probably work fine which would have the same part number.
So...i guess that you will need ecc from '96 or '97.
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Sveedy
'97 850 2.5 20v / fully equipped / Motronic 4.4 from the factory / upgraded with S,V,C,XC70 instrument cluster / polar white wagon
'91 Citroen XM 2.0 SI /fully equipped/mandarine red metallic
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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Sveedy
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Year and Model: 96 850 Turbo
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Re: Compatibility of ECC units

Post by Sveedy » Mon May 04, 2020 6:46 am

Well doesn't that just figure. I couldn't find an answer in repeated searches, so I just went to e-bay and saw them listed ' 93 - '97.
I am hoping I don't need one, but I have no power at the low pressure switch. Would you happen to know how I can bench test the AC relay ? Seems like the only other thing between the ecc and the switch. And yes - I did check the fuse this time :)
" There is enough in the world for everyones' needs, but not enough for everyones' greed. "
Gandhi

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