Thanks Mike,

Will this LED be on at all times indicating the position? It currently isn't working in any position, but I think the previous owner mangled the connector so I'll check that out.

Also, as a general rule does Diablo set the 87 tune as position 1?

I bought a chip for my ZX2 from a different ZX2 owner. It came with the 3 position switch, cable, and the LED.

What's the process for switching the program? The previous owner said it had a normal 87 tune and a premium tune. I've only read online that the chip is switchable between modes and the ...