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Donald
Donald, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1798
Experience:  I have 25+ years of experience repairing 2 & 4 cycle engines
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My troy bilt horse xp will not start with key. battery is

Customer Question

my troy bilt horse xp will not start with key. battery is good and I can jump the positive terminal on starter and motor will turn over will even start that way if I'm in the seat.......help
Submitted: 1 year ago.
Category: Small Engine
Expert:  Donald replied 1 year ago.

Hello. my name is***** will be happy to assist you. It is very likely that you have a blown fuse.

Expert:  Donald replied 1 year ago.

Your fuse is located under your battery.

Expert:  Donald replied 1 year ago.

You will need to remove your battery, and your battery tray, in order to gain easy access to your fuse.

Customer: replied 1 year ago.
the fuse is good. and mower will still not start
Expert:  Donald replied 1 year ago.

Thank you for this information. Are you saying that nothing happens when you turn your key to start your engine?

Customer: replied 1 year ago.
still nothing. I can jump positive and starter turns over I can even get it to start
Expert:  Donald replied 1 year ago.

Do you have a 12 volt test light, or a multimeter?

Customer: replied 1 year ago.
I can get one. what do I need to check?
Expert:  Donald replied 1 year ago.

We need to check to see if you are getting voltage to your ignition switch.

Customer: replied 1 year ago.
this all started when I took deck off to change deck belt
Expert:  Donald replied 1 year ago.

Check the connector on your brake safety switch. Let's make sure you are getting a good connection in this location. We can continue from here. Thanks!

Customer: replied 1 year ago.
the connections are good.......switch is depressed when brake is pressed. I checked the seat switch as well. good connection and engaging
Expert:  Donald replied 1 year ago.

Have you got a tester yet? We can do some troubleshooting.

Customer: replied 1 year ago.
I have a meter. I am getting power to the ignition switch
Customer: replied 1 year ago.
12 volts
Expert:  Donald replied 1 year ago.

Thank you for checking. Look for an orange wire in the wiring connector that attaches to your ignition switch. Your start circuit travels through your orange wire. Turn your ignition switch to start position, and check your orange wire to see if you get 12 volts. Check as close to your wiring connector as possible. You may have you pierce your orange wire, in order to test it.

Customer: replied 1 year ago.
11.85 volts once key is turned to start
Expert:  Donald replied 1 year ago.

Are you saying that your orange wire have 11.85 volts?

Customer: replied 1 year ago.
when I turn the key to try and start mower.....yes, but only then
Expert:  Donald replied 1 year ago.

Are you saying yes, to your orange wire?

Customer: replied 1 year ago.
when I put meter on orange wire......no volts. when I turn key to start position....the "orange" wire shows 11.85 volts.
Expert:  Donald replied 1 year ago.

Thanks for clarifying this. This tells me that your ignition switch is okay.

Expert:  Donald replied 1 year ago.

The start circuit in your orange wire, goes in and out of your Brake Safety Switch, then in and out of your PTO Safety Switch, then to your Solenoid.

Expert:  Donald replied 1 year ago.

Next, locate your brake safety switch. Check for voltage on your orange wires, at the wiring connector for your brake switch, when your ignition switch is in start position. Make sure your parking brake is on. You should have voltage on both sides of your connector.

Expert:  Donald replied 1 year ago.

You may need someone to assist you.