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Donald
Donald, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1800
Experience:  I have 25+ years of experience repairing 2 & 4 cycle engines
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Mtd riding mower model 13an772g029 won't start blows fuse

Customer Question

Mtd riding mower model 13an772g029 won't start blows fuse when key is turned. Not sure if wires are on the solenoid correctly tried every combination still blows fuse. Where shold ground wire from battery go?
Submitted: 1 month ago.
Category: Small Engine
Expert:  Donald replied 1 month ago.

Hello. Thank you for choosing Just Answer. My name is***** will be happy to assist you.

Expert:  Donald replied 1 month ago.

What is your reason for originally moving the wires on your solenoid?

Customer: replied 1 month ago.
Someone changed solenoid. I was asked to look at it afterwards
Customer: replied 1 month ago.
They had ground wire going to solenoid not to chassy
Expert:  Donald replied 1 month ago.

Is your ground wire on one of your solenoid posts, along with one of your large red cables?

Customer: replied 1 month ago.
No I moved it to chassy to ground it
Expert:  Donald replied 1 month ago.

Ok ...

Expert:  Donald replied 1 month ago.

Does your fuse blow when your key is in on position, or when your switch is in start position?

Customer: replied 1 month ago.
The start position
Expert:  Donald replied 1 month ago.

There is a small orange wire attached to your solenoid. Remove this wire, then check again to see if your fuse blows, in start position.

Customer: replied 1 month ago.
it still blows it
Expert:  Donald replied 1 month ago.

This indicates that your orange wire has a direct short in it, or your ignition switch is bad.

Customer: replied 1 month ago.
The wire has a white stripe. Can the ignition switch be tested?
Customer: replied 1 month ago.
Could bad ground cause it blow?
Expert:  Donald replied 1 month ago.

i would rather believe that it is a short or bad switch.

Expert:  Donald replied 1 month ago.

You can use a continuity tester to test your ignition switch.

Customer: replied 1 month ago.
Have continuity through terminals s & b in start position, L & b in run position and m & g in off position
Expert:  Donald replied 1 month ago.

In start position, check for continuity between B & G.

Customer: replied 1 month ago.
No continuity between B&G
Expert:  Donald replied 1 month ago.

I believe your ignition switch is ok.

Expert:  Donald replied 1 month ago.

On your solenoid, you should have two large red cables, and a small red wire with fuse, and an orange wire.

Expert:  Donald replied 1 month ago.

Am I correct?

Customer: replied 1 month ago.
2 large red, small red w/fuse, small orange and white and small green
Expert:  Donald replied 1 month ago.

Please take a look below. Click on link.

Expert:  Donald replied 1 month ago.

I would for you to try something.

Customer: replied 1 month ago.
but solenoid has no markings. That's why I tried moving wires around
Expert:  Donald replied 1 month ago.

It does not matter which side you put your large red cable on, as long as you put your small red wire on the same post, with the large red cable that goes to your battery.

Customer: replied 1 month ago.
What can I try
Expert:  Donald replied 1 month ago.

Try this ...

Customer: replied 1 month ago.
It is on same side
Expert:  Donald replied 1 month ago.

Fully release your brake / clutch pedal and engage your blades, then turn your key to start position, to see if your fuse still blows.

Customer: replied 1 month ago.
fuse still blows
Expert:  Donald replied 1 month ago.

Thank you for checking. Are you familiar with using small jumper wires?

Customer: replied 1 month ago.
Expert:  Donald replied 1 month ago.

I would like to confirm something. In ON position, your fuse does not blow? Is this correct?

Customer: replied 1 month ago.
Correct
Expert:  Donald replied 1 month ago.

Remove the wiring connector from your ignition switch. Put a jumper wire in your connector, to jump your (S) Orange Wire, and your (B) Red Wire. Let's see if your fuse blows.

Customer: replied 1 month ago.
S is double red and b is yellow on this harness
Expert:  Donald replied 1 month ago.

Is this your original ignition switch?

Expert:  Donald replied 1 month ago.

I believe you have the wrong ignition switch.

Customer: replied 1 month ago.
Should I still jump s and b?
Expert:  Donald replied 1 month ago.

Jump red and orange wires.

Customer: replied 1 month ago.
Does not blow fuse
Expert:  Donald replied 1 month ago.

Yellow wire is a ground and should never attach to (B) terminal on your ignition switch. Orange wire should attach to S terminal.

Expert:  Donald replied 1 month ago.

Set your parking brake and disengage your blades, then jump your red and orange again. Let's see if your engine spins.

Customer: replied 1 month ago.
No it doesn't spin. I think this switch is original but I'll check into it. Thanks for your time I have to go to work now. Will play with this abother day
Expert:  Donald replied 1 month ago.

You are very welcome!

Expert:  Donald replied 1 month ago.

If you need additional assistance, I will be happy to continue working with you.