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850 / S70 & V70 '96-'99 / C70 '97-'05 General Forum for the 850 and P80-platform 70-series models |
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Powerstage Part NumbersViews : 1724 Replies : 19Users Viewing This Thread : |
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Dec 5th, 2021, 18:50 | #1 |
New Member
Last Online: Jan 18th, 2022 18:48
Join Date: Dec 2021
Location: LONDON
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Powerstage Part Numbers
Hello everyone,
1994 850 GLT 20v ECC I have been trying to source a powerstage for my car for over a year now but I simply cannot find one with my part number 9144355 W409 99A04461. I have tried a few places in London but i've had no luck. My question is I have seen some on a auction site and the power stages look identical but the electrical connections are opposite I assume for LHD vehicles. The part numbers are 9166694 & 9134932. Any chance these could be made to work on my car? or is it more complicated? It's chilly now and I cannot continue to ask my wife to bring a hot water bottle each time we use the car. Many thanks for any advice in advance Andre |
Dec 5th, 2021, 23:03 | #2 |
DPF free.FCUK Greta he he
Last Online: Mar 28th, 2024 13:38
Join Date: Jun 2012
Location: Bristol
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Powerstage? Never heard of one of them before.
However those part numbers bring up a blower resistor pack. You should be able to pick up either with little difficulty. Have you tried Volvo ? Give Frf motors in Swansea a call |
Dec 6th, 2021, 07:53 | #3 |
Classic P80 1999 BiFuel
Last Online: Mar 6th, 2024 00:34
Join Date: Aug 2012
Location: 48mph Middle Lane M4
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No idea what a Powerstage is either, Electricity doesn't worry about part numbers. I can tell you a resistor is a resistor. Provided you find one large enough to deal with the current, once you have its value it's possible to put anything in. - the Volvo item I've seen pix of has a heat-sink. ie it's a power resistor able to deal with large loads.
If you can't get one, you being in 'Laahndan', this plan involves going 'North of Watford'. Can you cope? If all else fails a drive out to Wyboston to see Barry in the stix will see what you're after, and all for a deep sea-diver. These days, out here, we manage electricity.
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Bifuel V70 Classic 1999 [The Old Grumpy in the Corner, "When I was a lad... blah, bl**dy blah."] Last edited by CNGBiFuel; Dec 6th, 2021 at 08:28. |
Dec 6th, 2021, 09:52 | #4 |
Grumpy Old Git
Last Online: Apr 19th, 2024 09:16
Join Date: Dec 2004
Location: South Yorkshire
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Hi Andre, welcome to the forum.
IIRC, the '93/'94 cars can be a bit awkward in that Volvo seemed to be trying different solutions before settling on a standard one - so many parts are unique to those years. It is further confounded by Volvo using different part numbers for the same part (!) As Rudi suggested, give FRF at Swansea a call - they are very helpful when you can get hold of them - but be prepared to be very patient as they are very very busy. I'd suggest that you have you reg number and VIN to hand, just in case they can't recall the VIN from your reg - the VIN may be needed for part number changeover points. NB I have heard of the resistor pack being referred to as a powerstage - its a US terminology not frequently used over here, hence it being lost in translation Good luck!
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S40 2.4i '07 Japanese import '96 850R - https://www.volvoforums.org.uk/showthread.php?t=312484 Ex Danish Embassy '96 940 GLE LPT - https://www.volvoforums.org.uk/showthread.php?t=326071 |
Dec 6th, 2021, 18:55 | #5 |
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Last Online: Jan 18th, 2022 18:48
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Location: LONDON
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Thank you ALL so much for replying.
I think this started with me checking the DTC codes when the blower packed up. It was throwing 419 so I checked my Haynes which indicated 'Faulty diagnostic signal from blower fan power stage' and iirc 418 is 'No control signal to blower fan power stage'. After some web searching I discovered it was the resistor pack which apparantly, I read somewhere, is a basic chopper circuit. I understand there is constant 12v on the thick blue wire and the power stage (resistor) varies the ground. Iirc a oscilloscope is needed to measure the digital signal from the head unit which is way out of my league. I have read many posts where the mosfet has been replaced successfully and some posts with equal failures. Since there is 12v permanently hot all the time (key out) I am scared to mess around replacing mosfets for fear of a fire. I called Doves (Volvo dealership, Croydon) and was told the part number is now discontinued and my best bet was to search a salvage yard. Most scrap dealers around my end have closed (price of land) and the few I went to have no 850's. I travel to Dunstable a few times a year. Is Frf in Swansea a main dealer? I am swaying towards buying a second hand unit on ebay and somehow making it fit.....thanks Rolling Thunder I was thinking the parts are similar with the only difference being lhd and rhd but happy to take a punt at £30. Sadly, I only ever focus on this problem when the cold days set in. Thanks again Andre |
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Dec 6th, 2021, 21:12 | #6 | |
Classic P80 1999 BiFuel
Last Online: Mar 6th, 2024 00:34
Join Date: Aug 2012
Location: 48mph Middle Lane M4
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Quote:
If you can score on eBay, that's nice. If you are going the breaker route, you won't find standard multi-marque breakers yards awash with them anymore... you're 5-10 years too late. To ensure being in a yard with 'exactly' what you require... Wyboston. 25 miles on from Dunstable. Featured on a few TV progs not long back, Barry is a Volvo institution. Some fools ring him to waste his time, asking if he's got blah... he's old skool. He'll be polite about it, but have a way of calling you a fool. As if.... you have to go and look.
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Bifuel V70 Classic 1999 [The Old Grumpy in the Corner, "When I was a lad... blah, bl**dy blah."] Last edited by CNGBiFuel; Dec 6th, 2021 at 21:23. |
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