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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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850R - PNP/Inhibitor SwitchViews : 476 Replies : 4Users Viewing This Thread : |
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Oct 15th, 2023, 22:22 | #1 |
Senior Member
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850R - PNP/Inhibitor Switch
Hi - Can anyone please advise/help me with a question regarding my 855R? I've noticed my reverse lights are inoperative and I'm wondering if this could be because of a faulty PNP Switch? I've checked the bulbs and all are fine; the car also drives well with no gear change/selection issues. Can a faulty Inhibitor Switch only effect the reverse lights, or would it also impact other things?
Thanks |
Oct 18th, 2023, 22:31 | #2 |
Trader Volvo in my veins
Last Online: Yesterday 23:23
Join Date: Dec 2004
Location: Anglesey
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It is controlled by the PNP switch and a common issue https://www.volvoforums.org.uk/showthread.php?t=35868
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Oct 19th, 2023, 08:52 | #3 |
Senior Member
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Thanks for your reply.
I understand the pnp switch is quite a common issue, but I was hoping to find out whether a faulty switch might only effect the reverse lights, or would it also impact other things? The vehicle drives fine and changes up/down the auto box without issue Cheers |
Oct 19th, 2023, 19:52 | #4 |
Trader Volvo in my veins
Last Online: Yesterday 23:23
Join Date: Dec 2004
Location: Anglesey
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That thread discusses that the reverse light switch is the common problem without anything else being wrong and that part is repairable if you want to try that rather than replacing
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Oct 19th, 2023, 20:34 | #5 |
Senior Member
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Ah, understood - Thanks.
I've tried opening the link within the thread but as the other poster mentions it appears to be old/broken, Given the problems that seem to crop up when trying to repace the contacts it, looks like it might be better to buy a new pnp switch all together: do you happen to know if the aftermarket ones fit properly and are reliable as I believe the OEM units are NLA. Cheers |
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