Thank you all for the quick and kind responses.
UPDATE: 1/11/22
The Gen start switch was incorrectly wired. It works with the following from TOP down: Brown, Black, Yellow. Generator starts and and stops as indicated on switch shown in ImaIchibod pic #2/3 above.
Battery connect switch is still an unknown. Both have thick yellow wires. One is 12v live with key off/on the other not. Placed 12v ON wire to ON position of battery connect switch.... Still no sound heard with switch activation, as seen on youtube vids. Possibly due to purple wire thingy.
YES, yellow wire chewed by mice, will seal and tape off.
Will have more time on Saturday to continue process.
Any more ideas or suggestion GREATLY APPRECIATED.
