[Diy_efi] GM LT4 knock module

[Rausch, Bernd]

I just got two LT4 knock modules (GM# 16214681). I want to use these on
my turbocharged engine with aftermarket ECU to log knock events.

Does anybody have a pinout for these modules? Or a schematic of the
LT1/LT4 ECU?

Best regards,
Bernd