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Looks like my wiper motor isn't working on my 66' Toro. Seems that the wiring to it is good but it doesn't want to start up. I was thinking about taking it apart and seeing if I can repair but I can't really tell how to get it out. The connections to the wipers are under the cowl.
Anyone have any suggestions how to remove? Does the whole cowl have to come off? There is a grill panel that would also give me access but I can't see how to get that off either.
Before you take everything apart, get a schematic and make sure you have power (which is constant with the key on) and the grounds provided by the switch in the dash.
Before you take everything apart, get a schematic and make sure you have power (which is constant with the key on) and the grounds provided by the switch in the dash.
I do have 12v power at the center terminal.
I used the test procedure in the manual where you disconnect the car's wiring and jump power and grounds to the 3 terminals to force the wiper motor to run. It does not run. I gave it a tap with a rubber mallet as well while it was powered up, no response.
Yes, you have to remove the cover between the hood and windshield. I have a couple of those loose, if it would help I could take pictures showing where the fasteners are.
Yes, you have to remove the cover between the hood and windshield. I have a couple of those loose, if it would help I could take pictures showing where the fasteners are.
Is the wiper motor ground strap in place? The wiper grounds to the body, but since it is mounted in rubber bushings, there is a separate ground strap that runs around the outside of one of the bushings. Try running a temporary ground wire from the motor housing to a good body ground before buying any new parts.
My old school test light does light up brightly when I test from the wiper motor body to battery positive so I'm thinking my wiper to ground connection is good but I will give it a try.
My old school test light does light up brightly when I test from the wiper motor body to battery positive so I'm thinking my wiper to ground connection is good but I will give it a try.
If your paint is nice you'll need to be careful with this process. You need to remove the two wiper arms. Then there are 7 small screws, two horizontal and 5 attached vertically. I think these have a bolt style head that takes a 1/4" socket/wrench. Here's a series of pictures showing where they are.
Do yourself a favor and get yourself a wiper arm puller. So much easier than trying to pry off with a screwdriver or whatever. Any auto parts store or online should have one or the other of these. Might help to spray a little penetrating oil on the splines first.
There are two tricks to pulling the wiper arms, The first is to get this little spring clip disengaged. The second is to pull up on the side opposite the arm, as the spring pulling down on the arm causes the hub to **** on the splined shaft. The plier-style tool Glenn showed works pretty well to do both of these actions at once. On the other hand, I will admit that for stubborn wiper arms I've sometimes had to resort to a large screwdriver, a small block of wood, and a towel to protect the surface. If you do that, pry under the side opposite the arm, though occasionally you need to pry under the spring clip initially to get it popped up out of the groove in the shaft, then move to the other side.
June 9th, 2022, 12:55 PM
