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Tutorial: 1999 Power Seat in a 1998 V70 Base with no driver wiring

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

yanga001
Posts: 42
Joined: Sun Mar 24, 2019 3:25 pm
Year and Model: 1998 v70 N/A
Location: Ontario
Has thanked: 12 times
Been thanked: 5 times
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yanga001

Tutorial: 1999 Power Seat in a 1998 V70 Base with no driver wiring

Post by yanga001 » Sun May 31, 2020 10:09 pm

Hi Everyone,

This has probably already been done but there were a few tips and tricks i wanted to put out in case anyone needed any help. I will go over the driver seat as the passenger seat is pretty much the same process.

This tutorial was done with a NA base 1998 V70 with no original wiring for the driver side power seats. The wiring was already in place for seat warmers and the passenger side had wiring for power seats.

Foreword: This tutorial will leave you without SIPS airbags. Now that may be a big deal for some, however i had no personal reservations about it given a previous crash i was in (insert the sips in action thread). I put most of the text in the photos due to laziness.

Link to the SIPS post: topic92753
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For the above, note the order of the washers and also take care not to loose any of the parts. To install on the 1999 seat you simply need to follow the below steps and then take the entire arm and put it on the new seat. I forgot to take photos of that part.
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For the above i put the power seat in through the rear door. Another thing to note is that the non powered seat rails can slide independently. Make sure they are both at the same position when installing or you will find that one side might line up with the holes while the other does not.
20200531_160421.jpg
Fuse 40 = passenger power seat
Fuse 39 = driver power seat.


Note I just routed the wire under the passenger seat and to the driver seat. You can put it under the floor, however i just put it as close to the centre console as possible. I zip tied the excess wire to the moving part of the power seat.

Conclusions: If you do not have the driver side wiring then do not sweat it, get the connector and tap into the passenger side wiring. Alternatively you could try the accessory connector, and wire power directly from there.

I disconnected the battery before doing all this and had no issues.

Good luck
These users thanked the author yanga001 for the post:
manovlov
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