Correct. Blue = A = Cyl 1
Red = B = Cyl 4
I have it hooked up at the DME
Channel B also has the negative spikes and there are NO misfires on that cylinder
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2000 Boxster Tiptronic
2003 Boxster
2003 996 C2 Cab
2002 996 (SOLD)
1986 944 (gone but missed)
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