Table 3, Coding Table
Control unit listing
Part Number
Alpha Code
Wiring Harness Plug Coding
Wiring Harness Plug Colour
Vehicle
90 481 747
KG
IV
heather violet
Corsa-B
90 450 273
JP
III
blue/pink
Astra-F
90 462 072
JM
I
curry yellow
Vectra/Cavalier
90 462 305
JN
II
beige
Calibra
90 491 004
KJ
VI
light pink
Omega-B