Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Kn - Ou




Component Connector End Views

Knock Sensor (KS) 1 (LC8, LMF, LU3, L20, or L96)





Knock Sensor (KS) 2 (LC8, LMF, LU3, L20, or L96)





License Lamp (Passenger or Cargo)





Manifold Absolute Pressure (MAP) Sensor (LC8, LMF, LU3, L20, or L96)





Manifold Absolute Pressure (MAP) Sensor (LGH)





Marker Lamp - Left Front





Marker Lamp - Right Front





Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (LC8, LMF, LU3, L20, or L96)





Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (LGH)





Mode Actuator - Auxiliary (C69)





Nitrogen Oxides Sensor 1 (LGH)





Nitrogen Oxides Sensor 2 (LGH)





OnStar Button Assembly (UE1)





Outside Rearview Mirror - Driver (DE5 or DE7)





Outside Rearview Mirror - Passenger (DE5 or DE7)





Outside Rearview Mirror Switch (DE5 or DE7)