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Donald
Donald, Small Engine Technician
Category: Small Engine
Satisfied Customers: 1892
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: 4 months ago.
Category: Small Engine
Expert:  Donald replied 4 months ago.

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

Expert:  Donald replied 4 months ago.

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

Customer: replied 4 months ago.
Someone changed solenoid. I was asked to look at it afterwards
Customer: replied 4 months ago.
They had ground wire going to solenoid not to chassy
Expert:  Donald replied 4 months ago.

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

Customer: replied 4 months ago.
No I moved it to chassy to ground it
Expert:  Donald replied 4 months ago.

Ok ...

Expert:  Donald replied 4 months ago.

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

Customer: replied 4 months ago.
The start position
Expert:  Donald replied 4 months 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 4 months ago.
it still blows it
Expert:  Donald replied 4 months ago.

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

Customer: replied 4 months ago.
The wire has a white stripe. Can the ignition switch be tested?
Customer: replied 4 months ago.
Could bad ground cause it blow?
Expert:  Donald replied 4 months ago.

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

Expert:  Donald replied 4 months ago.

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

Customer: replied 4 months ago.
Have continuity through terminals s & b in start position, L & b in run position and m & g in off position
Expert:  Donald replied 4 months ago.

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

Customer: replied 4 months ago.
No continuity between B&G
Expert:  Donald replied 4 months ago.

I believe your ignition switch is ok.

Expert:  Donald replied 4 months 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 4 months ago.

Am I correct?

Customer: replied 4 months ago.
2 large red, small red w/fuse, small orange and white and small green
Expert:  Donald replied 4 months ago.

Please take a look below. Click on link.

Expert:  Donald replied 4 months ago.

I would for you to try something.

Customer: replied 4 months ago.
but solenoid has no markings. That's why I tried moving wires around
Expert:  Donald replied 4 months 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 4 months ago.
What can I try
Expert:  Donald replied 4 months ago.

Try this ...

Customer: replied 4 months ago.
It is on same side
Expert:  Donald replied 4 months 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 4 months ago.
fuse still blows
Expert:  Donald replied 4 months ago.

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

Customer: replied 4 months ago.
Expert:  Donald replied 4 months ago.

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

Customer: replied 4 months ago.
Correct
Expert:  Donald replied 4 months 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 4 months ago.
S is double red and b is yellow on this harness
Expert:  Donald replied 4 months ago.

Is this your original ignition switch?

Expert:  Donald replied 4 months ago.

I believe you have the wrong ignition switch.

Customer: replied 4 months ago.
Should I still jump s and b?
Expert:  Donald replied 4 months ago.

Jump red and orange wires.

Customer: replied 4 months ago.
Does not blow fuse
Expert:  Donald replied 4 months 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 4 months 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 4 months 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 4 months ago.

You are very welcome!

Expert:  Donald replied 4 months ago.

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