Question about 1997 Volkswagen Jetta
As a very first thing, check your wiper motor fuse. If it's blown nothing will work.
For the relay, in most cases you'll be looking for a "sometimes they work, sometimes they don't work" type of pattern. Maybe weather will be part of the issue like high humidity causes them not to work or work very erratically. So try testing the wipers in all sorts of weather, not just when it's raining. If they give you trouble when it's humid, look at the relay casing, it may have a crack or a 'shorting' issue. Sometimes you can easily fix a relay yourself: http://forum.e46fanatics.com/showthread.php?t=819089
If the outer contact points look rusty, try sanding them down a bit.
And lastly, when they last worked or do work, do the wipers move across the windshield 'strongly' or weak-type of action that looks like they could quit in the middle of the cycle? If it moves 'strongly' start assuming it's the relay. If it's weak, signs are pointing more towards a tired/faulty motor or arm mechanism.
Hope that helps.
Posted on Mar 18, 2014
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Posted on Jan 02, 2017
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