Mag on Waukesha 130 engine

Have a IR KA-105 compressor with a Waukesha 130 engine in it. Has ran well previous years but no spark this year so brother took magneto off and cleaned it but now doesn't know which wires go where on it. Looking from end where wires go into it, which wire is for #1 cyl and so on? Thanks for any help on this.
 
What type of magneto is it? If unknown, you can go this route:

If it has a standard slot drive coupling, install the magneto to the engine with the cap off, then turn the engine over until #1 cylinder is at TDC on the compression stroke. Look at where the magneto rotor is pointing in relation to the contact terminals inside the cap that lead to the sparkplug wires. The closest one to the rotor (in the direction the rotor is turning) is the #1 terminal.
 

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