The power wire may be hot all the time or should at least be always hot with the key on. I've overhauled half a dozen wiper linkages for guys here in the club. You likely weren't too worried about it because you had your windshield wipers to allow you to see. See sources and related links below for more information. I forgot about that grease fitting thread. This was one of them, but the one I actually needed was not even listed.
I show the replacement of the parts and give a few tips. All of our Windshield Wiper Motors are guaranteed to fit if you use enter your Volkswagen Jetta into your Year Make Model selector. So don't go beating on it with a hammer to get the shafts out. AutoZone has the right products at the right prices, and you're always able to get trustworthy advice provided by a helpful staff during any in-store visit. Be very careful as regards the pressure you put on the windscreen because it will crack easily.
The small wire from the J519 controller is what commands the J400 wiper controller at the motor on and off digitally. Since there are over 22 different wiper arm attachments, do not buy wipers just by length only - be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. I just took the picture for reference. Be careful to choose your pinch points. When I brought it in to the yard, they immediately went out back and got me an exact replacement. Brown shows continuity with negative battery terminal. There is no relay specifically for the wipers.
Very little current is used to do this, so you have to be extremely careful because you can easily fry a digital controller. I have had a few instances where I was driving now on the highway or just on a side street and it was raining and all of a sudden my wipers would just stop!!! See sources and related links below for more information. The first step is to remove the wiper arms. Remove the 3 10mm bolts holding it in place: Once its loose, you can manipulate it to a better position to reach the plug for the wiper motor. Sometimes, the arm can be quite stuck. It is sprung and can go flying of you don't hang onto it: There should also be a washer under the C clip as well as a rubber O-ring. Like you, I got some respect for the power of the wiper motor.
Also the cruise is still out and the windows are doing the same again. Since the price of these has come down in the last few years, I would consider an all out replacement. No matter the situation, Advance Auto Parts has the Wiper Motor product you desperately need. If the chrome plating is flaking or the srface is not smooth, clean it up with some sandpaper. Replacement brand parts are the most affordable solution for all of your replacement needs! I'm not kidding from completely seized to moving freely in 5 minutes.
I have a lot of repect for the power of the motors that were turning some of these linkages, even if they were slow. I did a quick test with a multimeter. Both are easy to replace but you have to purchase the correct wiper blades. There is a text tutorial on fixing these issues here: Also i purchased my new windshield wiper linkage from here: Its an amazing cheap price, and i got it in just a few days, i recommend it. This was one of them, but the one I actually needed was not even listed.
Now you need to give the shaft a good dose of penetrating fluid. Once the arm is off, you need to remove the lower valance at the bottom of the windsheild. That way there would be a small reserve or chamber that would hold a small pocket of grease. Pry gently, starting from one end and working your way accross: You might want to put a rag or something behind the prybar to protect the windsheild. See sources and related links below for more information. However, those wipers only work if you have an operational Jetta wiper motor, so when that component wears down, it needs to be replaced.
Be sure to lookup exact wiper blade part numbers by vehicle make, model and year for the brand wiper you decide to purchase. Or you may just be struggling to keep it highway-approved. I almost got into a few accidents now, and I feel it is a huge safety hazard that I shouldn't be responsible for. Now, just tighten the tool until the arm pops off. I have had some linkages that were so siezed, I had to use a longer wrench for leverage to get them to move. Maybe someone can sugget a good product to use??? I brought it home, put it in and everything was fine.