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The PTO switch is actually 4 months old. Is there a way to test the switch before I replace it? I'm thinking that I may have touched the two probes together and that may have blown my 20amp fuse. Just before the engine died I imagined I was looking at 13 volts on the circuit with the PTO...

Turf Tiger body Model: STT61V-26CH-EFI Serial #: K1900995 Kohler Engine. 26.5 EFI Model: ECH749 - 3043 Serial #: 4408804871 Build Date: 3/27/2014 N11238 I was mowing and the PTO disengaged and will not engage again. What I've done so far... Battery voltage standing 13.18v. Checked battery...

Turns out the problem is a failing fuel pump caused by deteriorating fuel lines (10 years old). Gas tank -> short fuel line -> fuel filter -> long fuel line -> fuel pump Seems like the fuel filter should be just in front of the the "expensive" fuel pump, but that was not how the engine was...

Would a sensor error keep the mower from starting? Should I replace the sensor?

Finally the mower will not start at all and I finally got a code, "0337". Does anyone know what that means?

An update on symptoms. It started to die after about 20 minutes of mowing, so I disengaged the mower deck and it was running OK. I increased the rpms and re-engaged the mower deck and it died immediately. I tried to start the mower a few times and it would not start. It did not even act like...

I checked for a code, but only got the 61 code. Should I be checking for the code immediately when the symptoms occur? I just checked it as it was starting to die and lose power while mowing. It still only gives the 61 code. Will a code tell me if there is a coil or fuel pump failure?

I have a Turf Tiger with a Kohler engine. After mowing for about 30 minutes it suddenly does not want to move forward without acting like it will die. You can get to go forward very slowly. It seems to be needing more gas. It does not miss or make unusual sounds. It just doesn't want to go...

Success! It is now running perfectly. However, the problem was the relay. Even though it was clicking when voltage was applied, there must have been a problem with the contacts. The contacts must have been causing enough resistance to reduce the voltage that would shut down the starting...

Very good link to the Scag website with the manuals and diagrams. Thanks for that. Scag's web page I have been thinking that the low voltage on the starter switch could be a sign of a failure of the switch. I will check the switch itself to make sure there is no resistance across the red to...

Relay - will click when voltage applied to the opposing terminals that have the green wires Bypassing the safety switches (seat, RH and LH lap bars, brake) - all were bypassed and the engine would not crank. I also checked each switch and they showed zero ohms when activated. I also checked...

12 volts applied to the small wire (light blue) on the solenoid will engage the starter. I feel that the relay has something to do with a grounding safety circuit(?). The small wire on the solenoid is light blue and the wires to this relay are red/yel, green/white, and green (2). I don't...

Below is the relay checked with an ohm meter set to 20 k ohms. Terminals 2 to 5 is O k ohms 1 to 4 is .08 k ohms

The starter switch is moving voltage to this "relay" (pictures below). Is there a way to test this relay or should I just replace it?

I finally have a had a chance to check for voltage on the small ignition wire going to the solenoid. I'm not getting any voltage when the key is turned to start. Since there is no voltage, do I need to check a relay that was mentioned as possibility in a previous post. I suppose I need to...

It looks like the bolts that hold the solenoid to the starter have a special "star" head. Is this what needs to be cleaned if the ground for the start is failing?

Does this mean that there is a relay in the starter circuit that may have failed? Would this be found in the control panel box that contains the PTO switch, the key switch, and the throttle?

I'm sorry. Here is the model and serial number. The motor is a Kohler with the solenoid on the starter. Turf Tiger body Model: STT61V-26CH-EFI Serial #: K1900995 Kohler Engine. 26.5 EFI Model: ECH749 - 3043 Serial #: 4408804871 Build Date: 3/27/2014 N11238

Good battery voltage Seat, left and right throttle, brake, and PTO/blade switches seem to check OK Short solenoid to starter and the starter will engage Cleaned battery terminals I have seen where there have been posts saying they were checking for voltage drop in the wiring. It seems I may...