If you've put constant power onto the rack, of course it won't turn off at any speed..
ok, ill be nice now.
Wire colours are black, and black/yellow stripe. 2 pin connector going into engine harness 2, and another 2 pin connector same wire colours going onto the solenoid connector.
these 2 wires, black is grouped in the main engine harness connected to body ground, black/yellow goes to the body harness connector and other side of that connetor to the hicas module.