Here is a typical schematic diagram of the 2008 Buick Allure Ignition System Parts and Components Assembly.
1. PCM
2. Camshaft sensor
3. Crankshaft sensor
4. Crankshaft sensor Shield
5. Knock sensor
6. Ignition module
7. Ignition module Bracket
8. Ignition coil
9. Ignition coil Seal
10. Plug wire set
11. Spark plug
