Murray 30" Rear Engine Mower - Switch Help (does not turn off)

[fixit_joe]

I took the engine cover off of the engine and i traced the terminal wire for the ignition coil is connected to the frame of the engine (see picture). This makes sense why the engine switch does not shut off the engine when in the off position. One more question, what type of wire can I use to re-route the terminal wire for the ignition coil - solid brass wire like shown in picture or can I use a braided electrical wire?

 

[SamB]

I took the engine cover off of the engine and i traced the terminal wire for the ignition coil is connected to the frame of the engine (see picture). This makes sense why the engine switch does not shut off the engine when in the off position. One more question, what type of wire can I use to re-route the terminal wire for the ignition coil - solid brass wire like shown in picture or can I use a braided electrical wire?

View attachment 59293

You should use stranded automotive wire,16 to 20 gauge. This kill switch wire doesn't carry much current. Solid copper wire has no use on anything that has any vibration to it. The shaking,even a little will fatigue the wire ,leading to breakage and circuit failure.

 

[fixit_joe]

You should use stranded automotive wire,16 to 20 gauge. This kill switch wire doesn't carry much current. Solid copper wire has no use on anything that has any vibration to it. The shaking,even a little will fatigue the wire ,leading to breakage and circuit failure.

Thank you for answering. I am set to finally get the switch to turn off the motor after having to flood the carburetor for over 7 years. Thanks to all!

 

[StarTech]

Note: Your choke engagement linkage is incorrectly installed.

 

[SamB]

Note: Your choke engagement linkage is incorrectly installed.

All my Briggs linkages look like this and there is no separate choke cable. When the throttle lever is moved to full wide open,the part of the linkage that is unseen in the posted pic,moves to push that loop of wire to the left (in the posted pic) to close the choke butterfly. Moving the throttle lever back just a bit opens the choke butterfly and the throttle butterfly is still fully open.

 

[StarTech]

All my Briggs linkages look like this and there is no separate choke cable. When the throttle lever is moved to full wide open,the part of the linkage that is unseen in the posted pic,moves to push that loop of wire to the left (in the posted pic) to close the choke butterfly. Moving the throttle lever back just a bit opens the choke butterfly and the throttle butterfly is still fully open.

Then they all are installed incorrectly as both sides of the double section goes through the slot, not just one side. This does two things. One is to stabilize the linkage, Two to make easy to remove the carburetor and the linkage as one unit. The way it is in the posted image puts stress on the plastic choke lever.

 

[SamB]

Then they all are installed incorrectly as both sides of the double section goes through the slot, not just one side. This does two things. One is to stabilize the linkage, Two to make easy to remove the carburetor and the linkage as one unit. The way it is in the posted image puts stress on the plastic choke lever.

Good catch,StarTech!
I need to re look at the OP's pic. My mistake. Of course both sides of the loop go through the slot. I was concentrating on the Ground wire not the choke linkage :-(ashamed)

 

[StarTech]

I need to re look at the OP's pic. My mistake. Of course both sides of the loop go through the slot. (ashamed)

Sam it easy to miss if you are not careful. I see it a lot in the shop here where another tech just slapped the carburetor on.