Relax, if it really was a bad thing I would've just deleted it.
But, this does belong in the MKII section, not MKIII; they're obviously wired differently, bypassed differently and they're in different locations (The MKIII's is above the steering column and a tny bit of rewire is needed).
I'm moving this to its own thread in the MKII section.
EDIT:
I looked up a wiring diagram. WOW, that really is a somewhat pointless system... Rip the box out or cut the wires and that's it... not even a starter cut-out...
Here's an online link for an '86.
http://www.cygnusx1.net/Supra/Librar...ection=BE&P=87