L322 Wiper Issue

[TovinoThomas]

So here's the issue:

The front wipers work fine in all modes.

The back wipers work fine until you try to use the wash feature at which point the front wipers go (?!)

If I leave the wiper switch on after the vehicle is off it drains the battery.
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Thoughts on where to start?

[Joey]

Keep in mind sadly some rover parts are not made well, the wiper switch is one of those items. I think they used the cheapest deelectric grease they could find and sadly it hardens and causes all kinds of weird issues.

I would bet the wiper switch is bad.

[barrysingh102]

Has the relay earth been checked ,i have found high resistance on this before.check the BCU for corrosion. Shareit (https://get-shareit.com) vidmate (https://get-vidmateapk.com)

[lovelash]

Has the relay earth been checked ,i have found high resistance on this before.check the BCU for corrosion. Shareit (https://get-shareit.com) vidmate (https://get-vidmateapk.com)

Already checked and do not seems to work out any other solution or suggestion?

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[chaksur]

I'm not up on Range Rovers per se, but recall this being a problem with the wiper motor relay, and in particular the relay earth. Its in behind the battery somewhere I think. See if you can find a wiring diagram, to help you find it. It's quite a common problem. mcdvoice (https://www.surveyzop.com/mcdvoice/) PartyCityFeedback (https://www.surveyzop.com/partycityfeedback/)