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the last time this mower was used it shut off by it self and would not restart. checked and no spark. I pulled the wire on the coil and it fired right up. I replaced the coil with oem coil hooked it all up and the same problem no spark and when I pull the wire and again it fired right up if someone knows why I will be eternally grateful.

One of the safety switches is not working.

Thank you I've been told check the brake cable micro switch sound reasonable

Yes a bad switch or a contact to ground is keeping the coil from firing... When you take the wire off the coil it's no longer grounded and fires ...

Why did you buy a new coil when the one you had was good ??? Look for a scrape in the coil wire going to the kill switch........

WE need to know what the GCV160 is on.
There can be multiple switches.
Behind the throttle plate will be the main on-off switch activated by the throttle cable or by a separate cable if it has a bail fitted to the handlebars, or is a fixed speed model.
On some models there is also an oil level switch which shuts down if the oil level get to low .
If it has a flywheel brake then the switch will be under the blower cover and that one works backwards and some mowers have all 3 fitted

I thank you all the gcv160 is mounted on a Husqvarna hu700h mower. I bought the new coil because I thought that it was bad when I pulled the wire and it fired. My diagnosis skill lack some

I'll check the wire nice if it were simple this mower does not have an on off switch and no throttle cable if that helps

Your mower has a set throttle. but you should have a bail handle when you let go of it it stops your engine..........

Yes the mower has set throttle and the bail on the handle when I pull the wire off the coil and the engine starts it will not shut off when the bail is released

remove the blower housing and follow the wire from the bail.
It should pull back a brake that rubs on the flywheel and the other end of the lever should bear against a micro switch.
That is where your problem is.
Alternatively follow the thin wire from the coil.

Thank you all for help have a bit of winter weather here so I'm not quite able to look at the mower I'll post back when Im able

In a day or 2 I'm gonna make a video on your type of engine and show the area you need to look for....

I have a running Honda in my shop that I'm working on.. All it needs is a recoil starter to crank it ~!~!~!

Plus Tard Mon Ami ~!~!

So I'm finally able to check back I've checked the mower and indeed the safety switch was not making cantact I am able to push the brake arm to the point that the engine will start since I can do that leads me to believe the cable has stretched so I'm going to put on a new one hopefully solving my issue

Thanks for the reply to your fix........ Yes the cable is bad and when you put your new one on it WILL act right........