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

Electrical Diagrams

Diagram 29-1:






Battery Junction Box
Central Junction Box
Fuse 8
Fuse 9
Fuse 20
Overdrive Cancel Switch
Powertrain Control Module
Powertrain Control Module Diode
Powertrain Control Module Power Relay
Transmission Control Switch/Indicator Lamp


Diagram 29-2:






Central Junction Box
Digital Transmission Range Sensor
Fuse 12
Fuse 34
Powertrain Control Module


Diagram 29-3:






4R70W Transmission
Electronic Pressure Control Solenoid
Powertrain Control Module
Shift Solenoid
Torque Converter Clutch Solenoid
Transmission Fluid Temperature Sensor


Diagram 29-4:






Instrument Cluster
Instrumentation Engine Coolant Temperature Sensor
Intake Air Temperature Sensor
Output Shaft Speed Sensor
Powertrain Control Module
Speed Control Servo
Throttle Position Sensor
Vehicle Speed Sensor