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V70 electrical issuesViews : 509 Replies : 11Users Viewing This Thread : |
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Apr 6th, 2021, 08:23 | #1 |
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V70 electrical issues
I've just got myself a P1 V70R it has a couple of electrical niggles, the drivers door doesn't unlock with the fob, you can see the button pop up, but I have to unlock it with the key to open the door, secondly, the rear wiper isnt working
The guy I bought it from said, it must've just happened but he would say that ! Everything else is good, drives great. |
Apr 6th, 2021, 08:37 | #2 |
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Hi forbsie
Sitting in the car (with the window open) if you lock and unlock using the lock button on the drivers door switch pack does that lock and unlock any differently from when you use the remote? If you remove the door card, you might find that the wires to the lock have been disconnected, presumably for a reason. Until you have sorted the locking problem, a safe option is to leave the door card removed, because it gets difficult to remove it if the door is stuck locked. Be careful when you remove the card because good ones are very hard to find. Does the rear wiper attempt to move at all? Rear wipers sometimes fail because the shaft goes through a black grommet in the glass, and corrosion on the shaft seizes it up. You have to remove the tailgate inner panel then you can see the wiper mechanism. Buy a new grommet from Volvo, take out the old unit, clean up the shaft and see if it works then. Measure voltage at the wiper when you try to operate to find out if there is a supply problem. Sometimes the wiper doesnt park correctly. Can be caused by burnout of components (resistor or capacitor on the wiper itself). Fairly easy to get a good used wiper. HTH Steve
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Apr 6th, 2021, 09:55 | #3 | |
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Quote:
When you say use the lock on the drivers door switchpack, what difference could there be ? using the fob, all lock pins pop up ! is the door card held in with screws or is it clips that you just pry out ? |
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Apr 6th, 2021, 10:53 | #4 |
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Rear wiper - There maybe a broken wire in the harness adjacent to the hinges. See RobertDIY on YouTube for panel removal Not too difficult if you follow the right method.
He also has how to's on door card removal. |
Apr 6th, 2021, 11:12 | #5 |
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https://www.pelicanparts.com/techart...eplacement.htm
https://www.pelicanparts.com/techart...eplacement.htm You may find these useful...
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Apr 6th, 2021, 11:21 | #6 |
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Also this...
https://www.pelicanparts.com/techart...eplacement.htm but I'd follow Dereks suggestion and check for broken wire at the tailgate hinge area, not an uncommom problem...try removing tailgate panel and checking for supply voltage at wiper motor
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Apr 6th, 2021, 13:43 | #7 | |
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Quote:
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Apr 6th, 2021, 14:06 | #8 |
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is there a fuse for the rear wiper ? I cant seem to find it in the main fuse box ?
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Apr 6th, 2021, 15:19 | #9 |
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Might be fuse 33, headlight levelling & rear wash wipe
Can't seem to find one for wipers in Haynes manual
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Apr 6th, 2021, 20:37 | #10 |
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Hi
If it turns out to be a seized wiper motor shaft, this how-to article shows a lot of useful info https://www.volvoforums.org.uk/showthread.php?t=46955 HTH Steve
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V70 2.5 Turbo AWD Man. 1999 Red V70 2.5 10V Auto 1998 Green C70 T 20V Auto Conv. 2001 Blue, C70 T5 Auto Conv. 2000 Blue V70 2.5 Turbo AWD Auto 1998 Green, V70 2.5 10V Auto BiFuel 1999 Red (scrapped) V70 20v Auto 1999 Green (scrapped) |
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