TRANSMISSION – Chevrolet Uplander LS 2007 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

3.9L VIN 1

3.9L VIN 1, A/T Wiring Diagram (1 of 2) for Chevrolet Uplander LS 2007

List of elements for 3.9L VIN 1, A/T Wiring Diagram (1 of 2) for Chevrolet Uplander LS 2007:

• (at engine to transmission stud above g115) g113
• (in dash harness,
• 1-2 shift sol
• 12 v ref
• 15 cm from breakout for c203 toward right side of dash) s273
• 2-3 shift sol
• Acc
• Accessory volt
• At iss high sig
• At iss low sig
• Battery
• Body control module (bcm) (below left side of dash, left of steering column)
• Class 2 serial data
• Computer data lines system
• Crank volt
• Engine controls system
• Frt wsw fuse 24 15a
• Ground
• Hot at all times
• Ign 1 volt
• Ignition switch
• Instrument panel cluster
• Lock
• Logic
• Low ref
• Message center
• Pc sol high
• Pc sol low
• Pnk
• Prnd321
• Range sw sig a
• Range sw sig b
• Range sw sig c
• Range sw sig p
• Run
• S139 (in engine harness, 8 cm from breakout for c101, toward ebcm)
• S155 (in engine harness, 10 cm from breakout for ecm c1 connector, toward ecm)
• S279 (in steering column harness, 20 cm from c201)
• Serial data
• Sig
• Start
• Stop lamp sw
• Stop lmp volt
• Tan
• Tcc pwm sol
• Tcc release
• Tft sns sig
• Transmission control module (tcm) (behind coolant reservoir)
• Transmission fluid hot
• Underhood fuse block (in underhood compt, above right front wheel well)
• Vss high sig
• Vss low sig

3.9L VIN 1, A/T Wiring Diagram (2 of 2) for Chevrolet Uplander LS 2007

List of elements for 3.9L VIN 1, A/T Wiring Diagram (2 of 2) for Chevrolet Uplander LS 2007:

• (at engine to transmission stud above g115) g113
• (in engine harness, 10 cm from breakout for ecm c1 connector, toward ecm) s155
• (lower right rear of underhood compt, mounted to right side of transmission) vehicle speed sensor (vss) assembly
• 1-2 shift solenoid valve
• 2-3 shift solenoid valve
• Acce volt
• Automatic transmission
• Automatic transmission fluid temperature sensor
• Automatic transmission input shaft speed sensor
• Early production
• Engine control module (ecm) (in air cleaner assembly)
• Engine controls system
• G113 (at engine to transmission stud above g115)
• Hot at all times
• I/p fuse block (right c1 side of dash behind access panel)
• Ign main relay
• Internal mode switch switch (ims)
• Late production
• Park sig
• Pcm etc fuse 9 15a
• Pcm ign fuse 14 10a
• Pnk
• Pressure control solenoid valve
• Red
• S155 (in engine harness, 10 cm from breakout for ecm c1 connector, toward ecm)
• S159 (in engine harness 6.5 cm from breakout for tac module, toward c102)
• S171
• S175 (in engine harness, 10 cm from breakout for c102, toward tac module)
• Tan
• Torque converter clutch release switch
• Torque converter clutch solenoid valve
• Trans sols fuse 11 10a
• Underhood fuse block (in underhood compt, above right front wheel well)

3.9L VIN W

3.9L VIN W, A/T Wiring Diagram (1 of 2) for Chevrolet Uplander LS 2007

List of elements for 3.9L VIN W, A/T Wiring Diagram (1 of 2) for Chevrolet Uplander LS 2007:

• (at engine to transmission stud above g115) g113
• (in dash harness,
• 1-2 shift sol
• 12 v ref
• 15 cm from breakout for c203 toward right side of dash) s273
• 2-3 shift sol
• Acc
• Accessory volt
• At iss high sig
• At iss low sig
• Battery
• Body control module (bcm) (below left side of dash, left of steering column)
• Class 2 serial data
• Computer data lines system
• Crank volt
• Engine controls system
• Frt wsw fuse 24 15a
• Ground
• Hot at all times
• Ign 1 volt
• Ignition switch
• Instrument panel cluster
• Lock
• Logic
• Low ref
• Message center
• Pc sol high
• Pc sol low
• Pnk
• Prnd321
• Range sw sig a
• Range sw sig b
• Range sw sig c
• Range sw sig p
• Run
• S139 (in engine harness, 8 cm from breakout for c101, toward ebcm)
• S155 (in engine harness, 10 cm from breakout for ecm c1 connector, toward ecm)
• S279 (in steering column harness, 20 cm from c201)
• Serial data
• Sig
• Start
• Stop lamp sw
• Stop lmp volt
• Tan
• Tcc pwm sol
• Tcc release
• Tft sns sig
• Transmission control module (tcm) (behind coolant reservoir)
• Transmission fluid hot
• Underhood fuse block (in underhood compt, above right front wheel well)
• Vss high sig
• Vss low sig

3.9L VIN W, A/T Wiring Diagram (2 of 2) for Chevrolet Uplander LS 2007

List of elements for 3.9L VIN W, A/T Wiring Diagram (2 of 2) for Chevrolet Uplander LS 2007:

• (at engine to transmission stud above g115) g113
• (in engine harness, 10 cm from breakout for ecm c1 connector, toward ecm) s155
• (lower right rear of underhood compt, mounted to right side of transmission) vehicle speed sensor (vss) assembly
• 1-2 shift solenoid valve
• 2-3 shift solenoid valve
• Acce volt
• Automatic transmission
• Automatic transmission fluid temperature sensor
• Automatic transmission input shaft speed sensor
• Early production
• Engine control module (ecm) (in air cleaner assembly)
• Engine controls system
• G113 (at engine to transmission stud above g115)
• Hot at all times
• I/p fuse block (right c1 side of dash behind access panel)
• Ign main relay
• Internal mode switch switch (ims)
• Late production
• Park sig
• Pcm etc fuse 9 15a
• Pcm ign fuse 14 10a
• Pnk
• Pressure control solenoid valve
• Red
• S155 (in engine harness, 10 cm from breakout for ecm c1 connector, toward ecm)
• S159 (in engine harness 6.5 cm from breakout for tac module, toward c102)
• S171
• S175 (in engine harness, 10 cm from breakout for c102, toward tac module)
• Tan
• Torque converter clutch release switch
• Torque converter clutch solenoid valve
• Trans sols fuse 11 10a
• Underhood fuse block (in underhood compt, above right front wheel well)