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By MS GENERAL REPAIR
Part 1 of John Deere STX Lawn Tractor Repair Video Series.
The Engine won't crank.
I know my voltage regulator is bad on my Onan P220 and was wondering if anyone has an opinion on a replacement, OEM or aftermarket?
Also, I checked my stator leads for AC Voltage and got about 25 volts at 3600 rpm on each. Is this OK? I know it says in the 40’s.
I went out to use my 520H with blower this evening and it won't start. I used this machine a few days ago (for the first time this winter). The battery has been on a trickle charge so I don't think that's the problem. It's done this before where it won't start, won't start, and then starts. Usually that is in cold weather and after I've previously used it to blow snow. I don't have a heated garage so I think it might have some ice somewhere that was introduced as water the last time I blew snow.
Here's what it's currently doing. When I turn the Ignition to 'On' the red warning lights and the dashs light all come on. When I turn the key to start position I get a single 'Click' and nothing more. I tried jumping it from a hot battery just to rule out a bad battery. Same behavior. Following some of the other threads about 520s with trouble starting, I pulled the blue wire off the starter solenoid. If I run a jumper wire from the (+) side of the battery directly to the solenoid I get the same behavior (regardless of key being in on or off position)- small spark where my jumper wire is touching the battery terminal and a single click.
I'm unsure what this means about the solenoid and if that, in any way tests, the starter. Could it be that my starter is bad/frozen? I tried using a heat lamp to warm up that area, but in this weather (and my garage, which is really just a tarp shed) that just isn't going to work.
I've downloaded the demystification guide and started looking at it but I'm hoping someone might have some suggestions. Snow is falling and I'm not making much headway on this.
312-8 has no power leaving relay to solenoid,If I use the switched feed to the relay on the solenoid it starts but I have no safety devices.The low oil switch wires have been joined where they leave the multiplug as one of them broke right at the switch too close to solder.The clutch and pto switches are good.When I turn the key the relay makes a faint click,when I turn it with the clutch depressed the solenoid joins in with a half hearted click.Could the low oil level wires being joined be contributing to alow voltage at the solenoid signal wire?Anyone got any ideas?