Starts but Dies?

T

TxMurd

Forum Newbie
I have a Gravely ZT42XL that starts, but dies when the brake is released or the PTO is engaged. The PTO does NOT engage, just spins until the wires are ripped out? This started when my better half ran over a sprinkler head and pulled the wires to the PTO out.
 
There are 2 issues at play here. One, the pto shouldn't be spinning and pulling on the wires. The anti-spin bracket is either missing or broken. And 2, the die after releasing the parking brake or engaging the pto points to a seat switch or associated wiring issue.
 
Thank you Bullet Bob!

The PTO spinning has been resolved.

I've tested the seat switch and jumpered it, it seems good, and it still dies when either the brake is released or the PTO pulled up?

I know it has to be in the safety circuit somewhere, but can't find out where. It acts like it doesn't see the seat switch, but can't figure out why?

I've replaced both relays, the PTO clutch, seat switch. I haven't replaced the hour meter, starter solenoid, key switch, parking brake switch, key switch, or the PTO switch yet?
 
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