Electrics: 850: - Tailgate wiring

jdavis · Oct 27th, 2016, 11:18

Hi all,

I know this is a common problem on the 855/P1 V70.
Is it simply a case of removing the roof lining/plastics to access the area, remaking the wiring and refit? I've no rear wiper and the central locking doesn't always unlock the boot so there is obviously some problem there.
What gauge wiring do I need? Where is the best place to purchase this?
Thanks in advance

George Holmer · Oct 27th, 2016, 16:27

The best way to access the wiring is to remove the plastic trim on the D-pillar. To do that easily, you may need to remove other surrounding pieces too. The wires on the hinge are covered by a piece of plastic too. Once the D-pillar trim is removed, you'll see a connector which you can unplug and having removed the trim on the hinge, you can now extract the wiring through the hinge opening, if that makes sense and work more easily on the wires. You'll need to unwind all the tape etc. to expose the wires.

If any wires are snapped off, it is quite easy to fix in my experience. I thought it would be daunting but it did not take me more than 30 minutes all in to get my rear wiper working once I had concluded it had to be the tailgate wiring.

jdavis · Oct 27th, 2016, 17:37

Quote:

Originally Posted by George Holmer

The best way to access the wiring is to remove the plastic trim on the D-pillar. To do that easily, you may need to remove other surrounding pieces too. The wires on the hinge are covered by a piece of plastic too. Once the D-pillar trim is removed, you'll see a connector which you can unplug and having removed the trim on the hinge, you can now extract the wiring through the hinge opening, if that makes sense and work more easily on the wires. You'll need to unwind all the tape etc. to expose the wires.

If any wires are snapped off, it is quite easy to fix in my experience. I thought it would be daunting but it did not take me more than 30 minutes all in to get my rear wiper working once I had concluded it had to be the tailgate wiring.

Thank you for the advice, perfect that hoping to have a stab at it over the weekend

Oct 27th, 2016, 11:18	#1
jdavis Junior Member Last Online: May 26th, 2023 05:04 Join Date: Jan 2009 Location: Doncaster	Tailgate wiring Hi all, I know this is a common problem on the 855/P1 V70. Is it simply a case of removing the roof lining/plastics to access the area, remaking the wiring and refit? I've no rear wiper and the central locking doesn't always unlock the boot so there is obviously some problem there. What gauge wiring do I need? Where is the best place to purchase this? Thanks in advance

Oct 27th, 2016, 16:27	#2
George Holmer VOC Member Last Online: Sep 16th, 2023 12:51 Join Date: May 2011 Location: Leuven	The best way to access the wiring is to remove the plastic trim on the D-pillar. To do that easily, you may need to remove other surrounding pieces too. The wires on the hinge are covered by a piece of plastic too. Once the D-pillar trim is removed, you'll see a connector which you can unplug and having removed the trim on the hinge, you can now extract the wiring through the hinge opening, if that makes sense and work more easily on the wires. You'll need to unwind all the tape etc. to expose the wires. If any wires are snapped off, it is quite easy to fix in my experience. I thought it would be daunting but it did not take me more than 30 minutes all in to get my rear wiper working once I had concluded it had to be the tailgate wiring. __________________ Current: 2004 LHD Volvo V40 auto Many, many previous Volvos including a V40, a 262C, 945 LPT Polar (Belgian spec), V90, 2006 V70 petrol, 740 TDI, 940 TDI, 850 GLT, C70 2.0GT and V70 D5 auto.

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