GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Cadillac
🢒
1999
🢒
Eldorado
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T80-E
🢒 Automatic Transmission Controls Schematics
Figure
1:
Cell 39: PCM Power and Grounds
Transmission Component Location
Electronic Component Description
Cell 39: ABS/TCC Switch and Transaxle Solenoids
OBD II Symbol Description Notice
Power Distribution Schematics
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics
Figure
2:
Cell 39: ABS/TCC Switch and Transaxle Solenoids
Transmission Component Location
Electronic Component Description
Cell 39: Transaxle Sensors and TR Switch
Cell 39: PCM Power and Grounds
OBD II Symbol Description Notice
Cell 10: LH Underhood Fuse Block IGN 1 Fuse
Cell 10: BATT 2 and BATT 3 Fuses and the Ignition Switch Outputs
Cell 10: RLY IGN 1 Fuse
Cell 10: ECS Fuse
Cruise Control Schematics
Handling ESD Sensitive Parts Notice
Powertrain Control Module Connector End Views
Figure
3:
Cell 39: Transaxle Sensors and TR Switch
Transmission Component Location
Electronic Component Description
Cell 39: Park/Neutral Position Switch and VSS
Cell 39: ABS/TCC Switch and Transaxle Solenoids
OBD II Symbol Description Notice
Handling ESD Sensitive Parts Notice
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Figure
4:
Cell 39: Park/Neutral Position Switch and VSS
Transmission Component Location
Electronic Component Description
Cell 39: Transaxle Sensors and TR Switch
OBD II Symbol Description Notice
Powertrain Control Module Connector End Views
Handling ESD Sensitive Parts Notice
Ground Distribution Schematics