GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Chevrolet
🢒
2007
🢒
Optra
🢒 Ignition System
Ignition System
Ignition System
Master Electrical Component List
CKP, CMP, Knock
TP, ECT, IAT, MAP, Oxygen Sensors (O2S)
Underhood Fuse Block - Battery Feeds - 1of 2
Power, Ground, I/P Illumination, Door Open Indicators