No Spark 40HP Yamaha Outboard

The engine ran great and then the radio dealer installed a stereo and had some wiring & switch isses. They did get most everything working and the boat ran after that. Then another shop installed some lights and then the boat didn't have any spark after we picked it up. I found they had a power wire on the front light going to ground and thats why one of the new lights didn't work. I fixed this issue and the light worked but still NO Spark to the plugs. I have checked fuses and they are ok. I was wondering if someone has a detailed wiring diagram of the ignition electrical system!! I'm sure one of the wires to the module, coil etc just don't have power now. I would really appricate any information someone may have. THANKS!!

[boats.net]

Disconnect the 10 pin main harness at engine and use a remote start cable to crank engine over and check for spark, if has spark then there is problem with wiring, main harness, stop switch or keyswitch in boat.