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After i mow for a short period of time my 25amp PTO fuse blows. i replace the key switch and TDC module. Dont see any bad wiring. Any suggestions would be approciated.
 

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Its possible your coil is starting to go. When they do they start to draw more amps. You can test it with a multi-meter by doing a OHMs reading on it. The closer it is to continuity or less than 1 the closer it is to failing. Unfortunately I don't what the spec should be. From my experience based on an AC clutch maybe 7-15 ohms?

Actually here is a pretty good walk thru. They state 3-5ohms is acceptable for an AC clutch, I'd say our PTO clutch is probably more heavy duty so would vary.

https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=2&ved=0ahUKEwjU9p7b6IjUAhWD2YMKHfnBD8wQFggqMAE&url=https://uacparts.com/Downloads/ClutchCoilTesting.pdf&usg=AFQjCNEAjWXyjlgV6px0326Whzr9xS-Grw&sig2=WNKdGPqQHGiuCJC4GYKGvg&cad=rja

Clicking the link should download a file, don't panic. :bigthumb:
 
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