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Need help PK1618 ignition switch wiring


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#1 BilyO OFFLINE  

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Posted April 20, 2021 - 07:23 PM

Hey newbie here

I picked up this PK a couple years ago, was a great price. Replaced a couple mower spindles and the clutch. Blew out the rear crank seal end of last grass season. So I yanked the engine to freshen it up.
The wiring was never rite had to stall it to shut down. Someone replaced the key switch and did some creative wiring.
I got a new switch part # 032028 it’s got 5 post but not at all like the one I ripped out. I didn’t take note of the order of the old wiring because it wasn’t rite.
They had wires running against the cylinder heads that were burnt, total mess.
But now I can’t figure it out, is the schematic in the manual looking at the back of the switch?
And could someone explain the letters on the back of the original style switch I bought?
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#2 Achto OFFLINE  

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Posted April 21, 2021 - 07:04 AM

:welcometogttalk:

 

Here is a list of the most common letters found on an Indak switch,

 

B - Battery "+"

G - Ground

S - Starter

L - Lights

R - Regulator

A - Accessory's ( lights, volt meter, etc )

I - Ignition ( Battery powered ignition models only) Has continuity to "B" when switch is in the on position.

M - Magneto ( Magneto ignition models only ) Has continuity to "G" when the switch is in the off position.

 

The "I" and "M" are the two most important terminals to pay attention to when buying an Indak switch. You need to have the right switch for the type of ignition that your engine has. 


Edited by Achto, April 21, 2021 - 07:05 AM.

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#3 BilyO OFFLINE  

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Posted April 21, 2021 - 07:59 AM

Thanks
The the switch I got matches the part # in my manual 032028 and is marked
S
I
A
R
B
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#4 Achto OFFLINE  

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Posted April 21, 2021 - 08:23 AM

Thanks
The the switch I got matches the part # in my manual 032028 and is marked
S
I
A
R
B

 

If this is the correct switch, you must have a battery ignition coil. I'm gonna guess a Kohler engine?

 

S - Small terminal on the starter relay

I - "+" terminal on the coil

A - 

R - Single out put wire from the voltage regulator.

B - Battery "+" 


Edited by Achto, April 21, 2021 - 08:27 AM.

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#5 MNGB ONLINE  

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Posted April 21, 2021 - 08:25 AM

Hi BillyO, welcome to the group, is your tractor an all metal one or does it have fiberglass hood and fenders? If the engine has battery ignition/point then the switch you have is right



#6 BilyO OFFLINE  

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Posted April 21, 2021 - 08:45 AM

The switch I removed is
M
S
L
G
G
B
The Kohler M18 manual shows a keyswitch with this plus an A next to the R
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#7 BilyO OFFLINE  

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Posted April 21, 2021 - 08:49 AM

so It’s a magneto and it had the proper switch it just wasn’t wired correctly

M?
S to relay terminal
L to lights
G?
B to battery + 30A fused

Edited by BilyO, April 21, 2021 - 09:30 AM.

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#8 BilyO OFFLINE  

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Posted April 21, 2021 - 09:41 AM

Hi BillyO, welcome to the group, is your tractor an all metal one or does it have fiberglass hood and fenders? If the engine has battery ignition/point then the switch you have is right


Thanks
Looks like it’s a. Magneto Kohler m18 so M goes
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#9 KennyP ONLINE  

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Posted April 21, 2021 - 09:43 AM

Straight from the Kohler M18 Service Manual:

Selection_023.jpg


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#10 Achto OFFLINE  

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Posted April 21, 2021 - 10:15 AM

so It’s a magneto and it had the proper switch it just wasn’t wired correctly

M?
S to relay terminal
L to lights
G?
B to battery + 30A fused

 

M - To the kill wire or terminal on the coil

G - To chassis or battery "-" 


Edited by Achto, April 21, 2021 - 10:17 AM.

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#11 BilyO OFFLINE  

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Posted April 21, 2021 - 11:19 AM

Straight from the Kohler M18 Service Manual:

attachicon.gifSelection_023.jpg


Thanks I do have this manual, do you know what key switch this is ?? I have a coil switch and a magneto switch and neither are like this
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#12 Achto OFFLINE  

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Posted April 21, 2021 - 11:37 AM

If the switch that you have is 3 positions Off, On, Start. Then just run your regulator wire to the "L" terminal. This terminal should have continuity to "B" when the switch is in the On position and will work with out issue. 


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#13 BilyO OFFLINE  

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Posted April 21, 2021 - 12:32 PM

Okay now it’s making sense
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#14 KennyP ONLINE  

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Posted April 21, 2021 - 04:08 PM

Thanks I do have this manual, do you know what key switch this is ?? I have a coil switch and a magneto switch and neither are like this

I was just showing what the engine needed for a switch. Not knowing you tractor #s makes it hard to 'fix' an issue. Many different 1618 PK's out there. And I don't know which had the M18 in them!


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#15 BilyO OFFLINE  

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Posted April 21, 2021 - 05:20 PM

Up and running thanks much!

Lost my amp meter but it shuts off with the key now

Picked up another good bit of information during all this. The Kohler M18 wasn’t built to idle as it’s valves are only lubed by oil mist
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