![]() I'll reiterate I am no expert, but I wouldn't consider myself a "complete novice parts replacer" either. The "connectors" along the wire paths all look OK when I unplug them, with no corrosion. I haven't removed it yet, and hoping I don't need to. All of the copper windings are shiny, and look good. The stator is exposed, and even though I am doing this "on the fly", I see nothing wrong with it. How can you tell if the voltage regulator is bad? Does the mower have to be assembled and in running condition first? Mine has three terminals, and all 3 wires are purple, if that means anything. Does a solenoid have polarity? I was told they do not. I'm assuming THAT SMALL black is a ground, and not supposed to accompany the large red wire from the starter to the solenoid. I even scraped paint away from there before connecting that ground. A 14 gauge black wire w/ ring connector grounded to the frame, underneath one of the solenoid mounting screws. The other large red from the starter to the - battery terminal. 14 gauge) red w/ a ring connector, from one side of the solenoid to the battery + side. I have one large red plus a small (approx. I think a priority (for me, personally) is to be CERTAIN I have it wired correctly. I also (again) have taken the solenoid loose, but left the wires connected. I have not yet cut away the zip ties to inspect THAT PORTION of the wiring within their black plastic sheaths. This motor is a model SV725S, in case that matters. I have also carefully sanded the rust off both coils, plus a light sanding to the flywheel itself. I haven't taken the starter off, but have felt most of the wiring under and around it, and feel nothing out of the ordinary, i.e., melted or touching wires. ![]() I've broken this motor down to the point where I have the flywheel removed.no mice, LOL, nor any wire breaks that I can see. Any assistance would be very much appreciated. I am on a fixed income, and can't afford 50 or 60 bucks an hour for a mower mechanic. I do not know where these are located, nor how to tell if either needs replaced. I'm no expert, but have been told something along the lines of the voltage regulator and / or the alternator stator. All the trees are now blooming, and each day that passes, my lawn needs mowing more than the day before.Ĭan anyone give me any advice.perhaps a direction in which to proceed, to get my mower running again. I think that was necessary then, because the ignition switch had already gone bad. I had to do that the last couple of mowings last summer. I know that I can go across the 2 solenoid terminals with a screwdriver and start it up, or at least turn the motor over. I replaced the blown 20 amp fuse, tried to start it again. For the record, the blade engage, (I think it is also called the PTO, or safety switch), was pushed down, i.e., turned off. There is also a 7.5-amp there, which I believe is for the starter, ( not sure, though ). I am pretty sure (90%) that this fuse is for the ignition switch. As I turned the key to start it up, (no smoke this time) a 20-amp fuse underneath the seat blew. 14 gauge) black wire out of the harness, to ground.at least I assumed, and hoped, it was a ground wire. So, I had the large red starter wire to one solenoid terminal, the other from the battery to the other solenoid terminal, (here, I also have a small.perhaps 14 gauge red wire w/a connector, that comes out of the wiring harness, also connected on the battery side of the solenoid). I was told by a local mower mechanic that the 2 large red wires (from the starter and the battery) could be connected to either solenoid terminal.that either was OK. There are no headlights on the mower BTW. I bought and installed a new ignition switch (7-pole) and a new solenoid (2-pole w/ small yellow wire & spade clip in center) I double checked my black tape job.all OK. Right now, that's a little scary for me, but I will if necessary.VERY CAREFULLY, but I'll need to know where to begin, and a trace sequence to proceed. I have not attempted taking the entire wiring harness off as of yet. I carefully inspected them, and wrapped them with electrical tape where needed. But I had brought it out of it's winterization ( from my outbuilding ) this season, and have been through the following:Īs I am getting everything ready to go, ( BTW, the battery was kept indoors all winter ), I had one battery terminal connected, and as I TOUCHED THE OTHER wire to it's terminal, ( for only a second or 2.NO LONGER ), smoke "boiled" out from underneath where the solenoid mounts, and some insulation melted off of a couple wires. I bought it used, but it was in very good shape, and still is. This mower is about 7-8 years old ( est.).
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