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)

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Helpful Information

Circuit G7 is spliced and provides an input to the Body Control Module (BCM) for vehicle speed.

Circuit K7 splices to provide 8 volts to the crankshaft position sensor and the camshaft position sensor.

Circuit K4 splices to supply ground for the signals for the following:
- Intake air temperature sensor
- Engine coolant temperature sensor
- Manifold absolute pressure sensor
- Throttle position sensor
- A/C pressure switch
- Camshaft position sensor
- Crankshaft position sensor
- Heated oxygen sensors