I have no idea about those other wires that are located near the oil filler pipe.

There are some wires going to what looks like to be the solenoid and the rest was just zipped tied.

There is a red wire with what looks like a fuse holder (no fuse), other wire that would connect with that one has either disappeared or been canabalised for something else.

There is another black or brown wire with a female bullet terminal covered with dust.

Cheers, Bondy