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Release clutch/ brake pedal

#1

navydad2022

navydad2022

I have this issue again with the mower trying to shut off while releasing clutch/ brake pedal,l have taken the kill wire off and it works perfect,but l plug it back it tries to shut off.l double checked all three safety switches but no luck .could it be a ground wire or maybe ignition switch? Snapper 281223BVE. Engine-21A907-0124-E1


#2

StarTech

StarTech

1697489972481.png


#3

navydad2022

navydad2022

StarTech said:
View attachment 67038
Click to expand...
Star Tech if the switches test good should l be looking for a break on the cables


#4

StarTech

StarTech

Take a closer look at the seat switch connector. The diagram indicates it has a built-in shorting strip. These can go bad or activate when the connector is loose or not plugged in resulting in the kill circuit being activated whenever the brake pedal is released.


#5

navydad2022

navydad2022

StarTech said:
Take a closer look at the seat switch connector. The diagram indicates it has a built-in shorting strip. These can go bad or activate when the connector is loose or not plugged in resulting in the kill circuit being activated whenever the brake pedal is released.
Click to expand...
Is there a way of testing it other than checking for continuity


#6

StarTech

StarTech

Continuity is how you check the connector. It is basically a hidden switch. There a place on the area that normally rests against the seat switch that you would depress to open the switch contacts. Much like depressing the plunger on the seat switch to check it is open when depressed.

Now your connector is probably gray(grey) but is the same as this one and the plunger I referred to is circled.
1697545429690.png


#7

navydad2022

navydad2022

I checked it and I didn't find any faults,l
removed and reinstalled switches and no luck,l know something is grounding out because l removed kill wire and it works great just no way of shutting mower


#8

StarTech

StarTech

Just be patient and trace things out. Yes electrical problems can be hard to find especially for the inexperienced DIYer. Sometimes you have break the circuit in sections. Say your disconnect the brake/clutch switch. Now is the coil still short ground? If not then you know the problem is before the switch. If still shorted then you know is after the switch. This you clear a section as the problem source. Then break the remaining problem area into smaller sections.


#9

navydad2022

navydad2022

Thank you, for your advice, learning as I go🙏👍


#10

B

bertsmobile1

FWIW
My phantom electrical problem kit is a bag of jumper wires with male terminals at each end
The proceedure , in your case is to use these to hot wire every switch starting with the key switch
Because you have an interlock module yours is a bit harder because you need 1 double lead so you can connect B to S and A to power the module
When the problem is found, the engine will spin so that makes it a bit easier .
If jumping all of the switches does not work then check the module is getting the power / ground that is should be according to the switches by back probing the module plug.
IF yes then the module is bad if no then there is a bad connection between a switch & the module
Mowers are cheap so the crimped on terminals have no support and are prone to fracture at the crimp
So if the mower works perfectly with the switches jumped hold the plugs and wiggle the wires to see if one is bad .
Naturally you will need to work through the wiring diagram to work out which should be open & which should be closed .
Takes a lot of time , removal of hair by clenched fists and making holes in brick walls with ones forehead but if you are methodical you should be able to get through it in a day .


#11

navydad2022

navydad2022

bertsmobile1 said:
FWIW
My phantom electrical problem kit is a bag of jumper wires with male terminals at each end
The proceedure , in your case is to use these to hot wire every switch starting with the key switch
Because you have an interlock module yours is a bit harder because you need 1 double lead so you can connect B to S and A to power the module
When the problem is found, the engine will spin so that makes it a bit easier .
If jumping all of the switches does not work then check the module is getting the power / ground that is should be according to the switches by back probing the module plug.
IF yes then the module is bad if no then there is a bad connection between a switch & the module
Mowers are cheap so the crimped on terminals have no support and are prone to fracture at the crimp
So if the mower works perfectly with the switches jumped hold the plugs and wiggle the wires to see if one is bad .
Naturally you will need to work through the wiring diagram to work out which should be open & which should be closed .
Takes a lot of time , removal of hair by clenched fists and making holes in brick walls with ones forehead but if you are methodical you should be able to get through it in a day .
Click to expand...
Thank you, fingers crossed 🤞


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