TRANSMISSION – Chevrolet Silverado 1500 2007 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

4.3L VIN X

4.3L VIN X, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007

List of elements for 4.3L VIN X, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007:

• (4.3l)
• (except 4.3l)
• 1-2 shift sol
• 2-3 shift sol
• 3-2 shift sol
• Acc wake up data
• Battery
• Brk sw sign
• Computer data lines system
• Exterior lights system
• G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
• G103 (on front of right cylinder head)
• G106 (location not available)
• Gnd
• Hi spd gmlan data (+)
• Hi spd gmlan data (-)
• Hot at all times
• Hot w/ run/crank relay energized
• Ign 1 volt
• Iss sign
• J106
• J230
• Left i/p junction block (lower left x1 side of dash)
• Low ref
• Misc ign fuse 44 10a
• P/n
• Park/neutral position (pnp) switch (on left rear side of transmission)
• Pc sol hi
• Pc sol low
• Pnk
• Replicated tos sig
• Stop lamp switch (top of brake pedal assembly)
• Stop/chmsl fuse 8 10a
• Tan
• Tcc pwm
• Tcc sol valve ctrl
• Tcm-batt fuse 14 10a
• Tfp sw a sig
• Tfp sw b sig
• Tfp sw c sig
• Tft sens sig
• Tr sw a sig
• Tr sw b sig
• Tr sw c sig
• Tr sw p sig
• Trans ig1 fuse 20 10a
• Transmission control module (tcm) (left front of engine comp, near fan shroud)
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (vss) (on transmission tailshaft)
• Vss hi sig
• Vss low
• W/ 4wd
• W/o 4wd

4.3L VIN X, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007

List of elements for 4.3L VIN X, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007:

• 1-2 shift solenoid valve
• 2-3 shift solenoid (2-3 ss) valve
• 3-2 shift solenoid (3-2 ss) valve
• 4.3l
• Automatic transmission (left front of eng compt, near fan shroud)
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission pressure manual valve position switch
• Automatic transmission shift lever
• Body control module (bcm) (lower left side of dash)
• Computer data lines system
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l
• G201 (upper left corner of dash)
• Hi spd gmlan +
• Hi spd gmlan -
• Ind haul
• Input speed sensor (iss)
• Instrument panel cluster
• J116
• J126
• J230
• Lo gm gmlan
• Logic
• Mil
• Mil ind ctrl
• Mil sig
• Nca
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Replicated tos sign
• Rev
• Tan
• Torque converter clutch (tcc) solenoid valve
• Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
• Tow haul switch
• Tow/
• Tow/haul sw sig

4.3L VIN X, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007

List of elements for 4.3L VIN X, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Auto
• Auto 4wd
• Aux hvac-ign fuse 50 10a
• Awd ind ctrl
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Brake control
• Computer data lines system
• Ctrl
• Dirtn sig
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107 (top left rear of eng)
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder directn sig
• Incrmt encoder impulse sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Lock sol ctrl
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Pulse sig
• Right i/p junction block (in right end of dash)
• Rotary position sens sig
• Rotational position sensor (on transfer case)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

4.3L VIN X, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007

List of elements for 4.3L VIN X, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007:

• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (diesel)
• (on lower left front of eng)
• (top left rear of eng)
• 4wd indicator lamp
• 4wd low sig
• Aux hvac-ign fuse 50 10a
• Axle sw sig
• Computer data lines system
• Engine control module (left front of engine compt, near fan shroud)
• Front axle actuator (on front axle assembly)
• Fuse block underhood (left side of eng compt)
• G102 g103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Hot in run or start
• Instrument panel cluster
• J105
• Logic
• Pnk
• Tan
• Trans ign 1 fuse 20 10a
• Transfer case shift control switch (on top left of transfer case)
• X2 n4 pnk
• X5 g4 pnk

4.3L VIN X, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007

List of elements for 4.3L VIN X, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• (top left rear of eng)
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Aux hvac-ign fuse 50 10a
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Computer data lines system
• Ctrl
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Right i/p junction block (in right end of dash)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

4.8L VIN C

4.8L VIN C, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007

List of elements for 4.8L VIN C, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007:

• (4.3l)
• (except 4.3l)
• 1-2 shift sol
• 2-3 shift sol
• 3-2 shift sol
• Acc wake up data
• Battery
• Brk sw sign
• Computer data lines system
• Exterior lights system
• G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
• G103 (on front of right cylinder head)
• G106 (location not available)
• Gnd
• Hi spd gmlan data (+)
• Hi spd gmlan data (-)
• Hot at all times
• Hot w/ run/crank relay energized
• Ign 1 volt
• Iss sign
• J106
• J230
• Left i/p junction block (lower left x1 side of dash)
• Low ref
• Misc ign fuse 44 10a
• P/n
• Park/neutral position (pnp) switch (on left rear side of transmission)
• Pc sol hi
• Pc sol low
• Pnk
• Replicated tos sig
• Stop lamp switch (top of brake pedal assembly)
• Stop/chmsl fuse 8 10a
• Tan
• Tcc pwm
• Tcc sol valve ctrl
• Tcm-batt fuse 14 10a
• Tfp sw a sig
• Tfp sw b sig
• Tfp sw c sig
• Tft sens sig
• Tr sw a sig
• Tr sw b sig
• Tr sw c sig
• Tr sw p sig
• Trans ig1 fuse 20 10a
• Transmission control module (tcm) (left front of engine comp, near fan shroud)
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (vss) (on transmission tailshaft)
• Vss hi sig
• Vss low
• W/ 4wd
• W/o 4wd

4.8L VIN C, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007

List of elements for 4.8L VIN C, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007:

• 1-2 shift solenoid valve
• 2-3 shift solenoid (2-3 ss) valve
• 3-2 shift solenoid (3-2 ss) valve
• 4.3l
• Automatic transmission (left front of eng compt, near fan shroud)
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission pressure manual valve position switch
• Automatic transmission shift lever
• Body control module (bcm) (lower left side of dash)
• Computer data lines system
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l
• G201 (upper left corner of dash)
• Hi spd gmlan +
• Hi spd gmlan -
• Ind haul
• Input speed sensor (iss)
• Instrument panel cluster
• J116
• J126
• J230
• Lo gm gmlan
• Logic
• Mil
• Mil ind ctrl
• Mil sig
• Nca
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Replicated tos sign
• Rev
• Tan
• Torque converter clutch (tcc) solenoid valve
• Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
• Tow haul switch
• Tow/
• Tow/haul sw sig

4.8L VIN C, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007

List of elements for 4.8L VIN C, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Auto
• Auto 4wd
• Aux hvac-ign fuse 50 10a
• Awd ind ctrl
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Brake control
• Computer data lines system
• Ctrl
• Dirtn sig
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107 (top left rear of eng)
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder directn sig
• Incrmt encoder impulse sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Lock sol ctrl
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Pulse sig
• Right i/p junction block (in right end of dash)
• Rotary position sens sig
• Rotational position sensor (on transfer case)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

4.8L VIN C, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007

List of elements for 4.8L VIN C, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007:

• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (diesel)
• (on lower left front of eng)
• (top left rear of eng)
• 4wd indicator lamp
• 4wd low sig
• Aux hvac-ign fuse 50 10a
• Axle sw sig
• Computer data lines system
• Engine control module (left front of engine compt, near fan shroud)
• Front axle actuator (on front axle assembly)
• Fuse block underhood (left side of eng compt)
• G102 g103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Hot in run or start
• Instrument panel cluster
• J105
• Logic
• Pnk
• Tan
• Trans ign 1 fuse 20 10a
• Transfer case shift control switch (on top left of transfer case)
• X2 n4 pnk
• X5 g4 pnk

4.8L VIN C, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007

List of elements for 4.8L VIN C, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• (top left rear of eng)
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Aux hvac-ign fuse 50 10a
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Computer data lines system
• Ctrl
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Right i/p junction block (in right end of dash)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

5.3L VIN 0

5.3L VIN 0, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN 0, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007:

• (4.3l)
• (except 4.3l)
• 1-2 shift sol
• 2-3 shift sol
• 3-2 shift sol
• Acc wake up data
• Battery
• Brk sw sign
• Computer data lines system
• Exterior lights system
• G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
• G103 (on front of right cylinder head)
• G106 (location not available)
• Gnd
• Hi spd gmlan data (+)
• Hi spd gmlan data (-)
• Hot at all times
• Hot w/ run/crank relay energized
• Ign 1 volt
• Iss sign
• J106
• J230
• Left i/p junction block (lower left x1 side of dash)
• Low ref
• Misc ign fuse 44 10a
• P/n
• Park/neutral position (pnp) switch (on left rear side of transmission)
• Pc sol hi
• Pc sol low
• Pnk
• Replicated tos sig
• Stop lamp switch (top of brake pedal assembly)
• Stop/chmsl fuse 8 10a
• Tan
• Tcc pwm
• Tcc sol valve ctrl
• Tcm-batt fuse 14 10a
• Tfp sw a sig
• Tfp sw b sig
• Tfp sw c sig
• Tft sens sig
• Tr sw a sig
• Tr sw b sig
• Tr sw c sig
• Tr sw p sig
• Trans ig1 fuse 20 10a
• Transmission control module (tcm) (left front of engine comp, near fan shroud)
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (vss) (on transmission tailshaft)
• Vss hi sig
• Vss low
• W/ 4wd
• W/o 4wd

5.3L VIN 0, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN 0, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007:

• 1-2 shift solenoid valve
• 2-3 shift solenoid (2-3 ss) valve
• 3-2 shift solenoid (3-2 ss) valve
• 4.3l
• Automatic transmission (left front of eng compt, near fan shroud)
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission pressure manual valve position switch
• Automatic transmission shift lever
• Body control module (bcm) (lower left side of dash)
• Computer data lines system
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l
• G201 (upper left corner of dash)
• Hi spd gmlan +
• Hi spd gmlan -
• Ind haul
• Input speed sensor (iss)
• Instrument panel cluster
• J116
• J126
• J230
• Lo gm gmlan
• Logic
• Mil
• Mil ind ctrl
• Mil sig
• Nca
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Replicated tos sign
• Rev
• Tan
• Torque converter clutch (tcc) solenoid valve
• Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
• Tow haul switch
• Tow/
• Tow/haul sw sig

5.3L VIN 0, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN 0, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Auto
• Auto 4wd
• Aux hvac-ign fuse 50 10a
• Awd ind ctrl
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Brake control
• Computer data lines system
• Ctrl
• Dirtn sig
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107 (top left rear of eng)
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder directn sig
• Incrmt encoder impulse sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Lock sol ctrl
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Pulse sig
• Right i/p junction block (in right end of dash)
• Rotary position sens sig
• Rotational position sensor (on transfer case)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

5.3L VIN 0, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN 0, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007:

• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (diesel)
• (on lower left front of eng)
• (top left rear of eng)
• 4wd indicator lamp
• 4wd low sig
• Aux hvac-ign fuse 50 10a
• Axle sw sig
• Computer data lines system
• Engine control module (left front of engine compt, near fan shroud)
• Front axle actuator (on front axle assembly)
• Fuse block underhood (left side of eng compt)
• G102 g103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Hot in run or start
• Instrument panel cluster
• J105
• Logic
• Pnk
• Tan
• Trans ign 1 fuse 20 10a
• Transfer case shift control switch (on top left of transfer case)
• X2 n4 pnk
• X5 g4 pnk

5.3L VIN 0, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN 0, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• (top left rear of eng)
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Aux hvac-ign fuse 50 10a
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Computer data lines system
• Ctrl
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Right i/p junction block (in right end of dash)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

5.3L VIN 3

5.3L VIN 3, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN 3, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007:

• (4.3l)
• (except 4.3l)
• 1-2 shift sol
• 2-3 shift sol
• 3-2 shift sol
• Acc wake up data
• Battery
• Brk sw sign
• Computer data lines system
• Exterior lights system
• G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
• G103 (on front of right cylinder head)
• G106 (location not available)
• Gnd
• Hi spd gmlan data (+)
• Hi spd gmlan data (-)
• Hot at all times
• Hot w/ run/crank relay energized
• Ign 1 volt
• Iss sign
• J106
• J230
• Left i/p junction block (lower left x1 side of dash)
• Low ref
• Misc ign fuse 44 10a
• P/n
• Park/neutral position (pnp) switch (on left rear side of transmission)
• Pc sol hi
• Pc sol low
• Pnk
• Replicated tos sig
• Stop lamp switch (top of brake pedal assembly)
• Stop/chmsl fuse 8 10a
• Tan
• Tcc pwm
• Tcc sol valve ctrl
• Tcm-batt fuse 14 10a
• Tfp sw a sig
• Tfp sw b sig
• Tfp sw c sig
• Tft sens sig
• Tr sw a sig
• Tr sw b sig
• Tr sw c sig
• Tr sw p sig
• Trans ig1 fuse 20 10a
• Transmission control module (tcm) (left front of engine comp, near fan shroud)
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (vss) (on transmission tailshaft)
• Vss hi sig
• Vss low
• W/ 4wd
• W/o 4wd

5.3L VIN 3, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN 3, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007:

• 1-2 shift solenoid valve
• 2-3 shift solenoid (2-3 ss) valve
• 3-2 shift solenoid (3-2 ss) valve
• 4.3l
• Automatic transmission (left front of eng compt, near fan shroud)
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission pressure manual valve position switch
• Automatic transmission shift lever
• Body control module (bcm) (lower left side of dash)
• Computer data lines system
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l
• G201 (upper left corner of dash)
• Hi spd gmlan +
• Hi spd gmlan -
• Ind haul
• Input speed sensor (iss)
• Instrument panel cluster
• J116
• J126
• J230
• Lo gm gmlan
• Logic
• Mil
• Mil ind ctrl
• Mil sig
• Nca
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Replicated tos sign
• Rev
• Tan
• Torque converter clutch (tcc) solenoid valve
• Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
• Tow haul switch
• Tow/
• Tow/haul sw sig

5.3L VIN 3, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN 3, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Auto
• Auto 4wd
• Aux hvac-ign fuse 50 10a
• Awd ind ctrl
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Brake control
• Computer data lines system
• Ctrl
• Dirtn sig
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107 (top left rear of eng)
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder directn sig
• Incrmt encoder impulse sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Lock sol ctrl
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Pulse sig
• Right i/p junction block (in right end of dash)
• Rotary position sens sig
• Rotational position sensor (on transfer case)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

5.3L VIN 3, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN 3, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007:

• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (diesel)
• (on lower left front of eng)
• (top left rear of eng)
• 4wd indicator lamp
• 4wd low sig
• Aux hvac-ign fuse 50 10a
• Axle sw sig
• Computer data lines system
• Engine control module (left front of engine compt, near fan shroud)
• Front axle actuator (on front axle assembly)
• Fuse block underhood (left side of eng compt)
• G102 g103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Hot in run or start
• Instrument panel cluster
• J105
• Logic
• Pnk
• Tan
• Trans ign 1 fuse 20 10a
• Transfer case shift control switch (on top left of transfer case)
• X2 n4 pnk
• X5 g4 pnk

5.3L VIN 3, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN 3, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• (top left rear of eng)
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Aux hvac-ign fuse 50 10a
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Computer data lines system
• Ctrl
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Right i/p junction block (in right end of dash)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

5.3L VIN J

5.3L VIN J, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN J, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007:

• (4.3l)
• (except 4.3l)
• 1-2 shift sol
• 2-3 shift sol
• 3-2 shift sol
• Acc wake up data
• Battery
• Brk sw sign
• Computer data lines system
• Exterior lights system
• G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
• G103 (on front of right cylinder head)
• G106 (location not available)
• Gnd
• Hi spd gmlan data (+)
• Hi spd gmlan data (-)
• Hot at all times
• Hot w/ run/crank relay energized
• Ign 1 volt
• Iss sign
• J106
• J230
• Left i/p junction block (lower left x1 side of dash)
• Low ref
• Misc ign fuse 44 10a
• P/n
• Park/neutral position (pnp) switch (on left rear side of transmission)
• Pc sol hi
• Pc sol low
• Pnk
• Replicated tos sig
• Stop lamp switch (top of brake pedal assembly)
• Stop/chmsl fuse 8 10a
• Tan
• Tcc pwm
• Tcc sol valve ctrl
• Tcm-batt fuse 14 10a
• Tfp sw a sig
• Tfp sw b sig
• Tfp sw c sig
• Tft sens sig
• Tr sw a sig
• Tr sw b sig
• Tr sw c sig
• Tr sw p sig
• Trans ig1 fuse 20 10a
• Transmission control module (tcm) (left front of engine comp, near fan shroud)
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (vss) (on transmission tailshaft)
• Vss hi sig
• Vss low
• W/ 4wd
• W/o 4wd

5.3L VIN J, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN J, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007:

• 1-2 shift solenoid valve
• 2-3 shift solenoid (2-3 ss) valve
• 3-2 shift solenoid (3-2 ss) valve
• 4.3l
• Automatic transmission (left front of eng compt, near fan shroud)
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission pressure manual valve position switch
• Automatic transmission shift lever
• Body control module (bcm) (lower left side of dash)
• Computer data lines system
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l
• G201 (upper left corner of dash)
• Hi spd gmlan +
• Hi spd gmlan -
• Ind haul
• Input speed sensor (iss)
• Instrument panel cluster
• J116
• J126
• J230
• Lo gm gmlan
• Logic
• Mil
• Mil ind ctrl
• Mil sig
• Nca
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Replicated tos sign
• Rev
• Tan
• Torque converter clutch (tcc) solenoid valve
• Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
• Tow haul switch
• Tow/
• Tow/haul sw sig

5.3L VIN J, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN J, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Auto
• Auto 4wd
• Aux hvac-ign fuse 50 10a
• Awd ind ctrl
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Brake control
• Computer data lines system
• Ctrl
• Dirtn sig
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107 (top left rear of eng)
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder directn sig
• Incrmt encoder impulse sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Lock sol ctrl
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Pulse sig
• Right i/p junction block (in right end of dash)
• Rotary position sens sig
• Rotational position sensor (on transfer case)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

5.3L VIN J, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN J, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007:

• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (diesel)
• (on lower left front of eng)
• (top left rear of eng)
• 4wd indicator lamp
• 4wd low sig
• Aux hvac-ign fuse 50 10a
• Axle sw sig
• Computer data lines system
• Engine control module (left front of engine compt, near fan shroud)
• Front axle actuator (on front axle assembly)
• Fuse block underhood (left side of eng compt)
• G102 g103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Hot in run or start
• Instrument panel cluster
• J105
• Logic
• Pnk
• Tan
• Trans ign 1 fuse 20 10a
• Transfer case shift control switch (on top left of transfer case)
• X2 n4 pnk
• X5 g4 pnk

5.3L VIN J, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN J, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• (top left rear of eng)
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Aux hvac-ign fuse 50 10a
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Computer data lines system
• Ctrl
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Right i/p junction block (in right end of dash)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

5.3L VIN M

5.3L VIN M, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN M, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007:

• (4.3l)
• (except 4.3l)
• 1-2 shift sol
• 2-3 shift sol
• 3-2 shift sol
• Acc wake up data
• Battery
• Brk sw sign
• Computer data lines system
• Exterior lights system
• G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
• G103 (on front of right cylinder head)
• G106 (location not available)
• Gnd
• Hi spd gmlan data (+)
• Hi spd gmlan data (-)
• Hot at all times
• Hot w/ run/crank relay energized
• Ign 1 volt
• Iss sign
• J106
• J230
• Left i/p junction block (lower left x1 side of dash)
• Low ref
• Misc ign fuse 44 10a
• P/n
• Park/neutral position (pnp) switch (on left rear side of transmission)
• Pc sol hi
• Pc sol low
• Pnk
• Replicated tos sig
• Stop lamp switch (top of brake pedal assembly)
• Stop/chmsl fuse 8 10a
• Tan
• Tcc pwm
• Tcc sol valve ctrl
• Tcm-batt fuse 14 10a
• Tfp sw a sig
• Tfp sw b sig
• Tfp sw c sig
• Tft sens sig
• Tr sw a sig
• Tr sw b sig
• Tr sw c sig
• Tr sw p sig
• Trans ig1 fuse 20 10a
• Transmission control module (tcm) (left front of engine comp, near fan shroud)
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (vss) (on transmission tailshaft)
• Vss hi sig
• Vss low
• W/ 4wd
• W/o 4wd

5.3L VIN M, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN M, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007:

• 1-2 shift solenoid valve
• 2-3 shift solenoid (2-3 ss) valve
• 3-2 shift solenoid (3-2 ss) valve
• 4.3l
• Automatic transmission (left front of eng compt, near fan shroud)
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission pressure manual valve position switch
• Automatic transmission shift lever
• Body control module (bcm) (lower left side of dash)
• Computer data lines system
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l
• G201 (upper left corner of dash)
• Hi spd gmlan +
• Hi spd gmlan -
• Ind haul
• Input speed sensor (iss)
• Instrument panel cluster
• J116
• J126
• J230
• Lo gm gmlan
• Logic
• Mil
• Mil ind ctrl
• Mil sig
• Nca
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Replicated tos sign
• Rev
• Tan
• Torque converter clutch (tcc) solenoid valve
• Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
• Tow haul switch
• Tow/
• Tow/haul sw sig

5.3L VIN M, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN M, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Auto
• Auto 4wd
• Aux hvac-ign fuse 50 10a
• Awd ind ctrl
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Brake control
• Computer data lines system
• Ctrl
• Dirtn sig
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107 (top left rear of eng)
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder directn sig
• Incrmt encoder impulse sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Lock sol ctrl
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Pulse sig
• Right i/p junction block (in right end of dash)
• Rotary position sens sig
• Rotational position sensor (on transfer case)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

5.3L VIN M, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN M, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007:

• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (diesel)
• (on lower left front of eng)
• (top left rear of eng)
• 4wd indicator lamp
• 4wd low sig
• Aux hvac-ign fuse 50 10a
• Axle sw sig
• Computer data lines system
• Engine control module (left front of engine compt, near fan shroud)
• Front axle actuator (on front axle assembly)
• Fuse block underhood (left side of eng compt)
• G102 g103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Hot in run or start
• Instrument panel cluster
• J105
• Logic
• Pnk
• Tan
• Trans ign 1 fuse 20 10a
• Transfer case shift control switch (on top left of transfer case)
• X2 n4 pnk
• X5 g4 pnk

5.3L VIN M, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007

List of elements for 5.3L VIN M, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• (top left rear of eng)
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Aux hvac-ign fuse 50 10a
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Computer data lines system
• Ctrl
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Right i/p junction block (in right end of dash)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

6.0L VIN Y

6.0L VIN Y, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007

List of elements for 6.0L VIN Y, A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 1500 2007:

• (4.3l)
• (except 4.3l)
• 1-2 shift sol
• 2-3 shift sol
• 3-2 shift sol
• Acc wake up data
• Battery
• Brk sw sign
• Computer data lines system
• Exterior lights system
• G103 (4.3l: on front of right cylinder head, except 4.3l: location not available)
• G103 (on front of right cylinder head)
• G106 (location not available)
• Gnd
• Hi spd gmlan data (+)
• Hi spd gmlan data (-)
• Hot at all times
• Hot w/ run/crank relay energized
• Ign 1 volt
• Iss sign
• J106
• J230
• Left i/p junction block (lower left x1 side of dash)
• Low ref
• Misc ign fuse 44 10a
• P/n
• Park/neutral position (pnp) switch (on left rear side of transmission)
• Pc sol hi
• Pc sol low
• Pnk
• Replicated tos sig
• Stop lamp switch (top of brake pedal assembly)
• Stop/chmsl fuse 8 10a
• Tan
• Tcc pwm
• Tcc sol valve ctrl
• Tcm-batt fuse 14 10a
• Tfp sw a sig
• Tfp sw b sig
• Tfp sw c sig
• Tft sens sig
• Tr sw a sig
• Tr sw b sig
• Tr sw c sig
• Tr sw p sig
• Trans ig1 fuse 20 10a
• Transmission control module (tcm) (left front of engine comp, near fan shroud)
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (vss) (on transmission tailshaft)
• Vss hi sig
• Vss low
• W/ 4wd
• W/o 4wd

6.0L VIN Y, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007

List of elements for 6.0L VIN Y, A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 1500 2007:

• 1-2 shift solenoid valve
• 2-3 shift solenoid (2-3 ss) valve
• 3-2 shift solenoid (3-2 ss) valve
• 4.3l
• Automatic transmission (left front of eng compt, near fan shroud)
• Automatic transmission fluid temperature (tft) sensor
• Automatic transmission pressure manual valve position switch
• Automatic transmission shift lever
• Body control module (bcm) (lower left side of dash)
• Computer data lines system
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l
• G201 (upper left corner of dash)
• Hi spd gmlan +
• Hi spd gmlan -
• Ind haul
• Input speed sensor (iss)
• Instrument panel cluster
• J116
• J126
• J230
• Lo gm gmlan
• Logic
• Mil
• Mil ind ctrl
• Mil sig
• Nca
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Replicated tos sign
• Rev
• Tan
• Torque converter clutch (tcc) solenoid valve
• Torque converter clutch pulse width modulation (tcc pwm) solenoid valve
• Tow haul switch
• Tow/
• Tow/haul sw sig

6.0L VIN Y, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007

List of elements for 6.0L VIN Y, Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Auto
• Auto 4wd
• Aux hvac-ign fuse 50 10a
• Awd ind ctrl
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Brake control
• Computer data lines system
• Ctrl
• Dirtn sig
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107 (top left rear of eng)
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder directn sig
• Incrmt encoder impulse sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Lock sol ctrl
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Pulse sig
• Right i/p junction block (in right end of dash)
• Rotary position sens sig
• Rotational position sensor (on transfer case)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk

6.0L VIN Y, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007

List of elements for 6.0L VIN Y, Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 1500 2007:

• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (diesel)
• (on lower left front of eng)
• (top left rear of eng)
• 4wd indicator lamp
• 4wd low sig
• Aux hvac-ign fuse 50 10a
• Axle sw sig
• Computer data lines system
• Engine control module (left front of engine compt, near fan shroud)
• Front axle actuator (on front axle assembly)
• Fuse block underhood (left side of eng compt)
• G102 g103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Hot in run or start
• Instrument panel cluster
• J105
• Logic
• Pnk
• Tan
• Trans ign 1 fuse 20 10a
• Transfer case shift control switch (on top left of transfer case)
• X2 n4 pnk
• X5 g4 pnk

6.0L VIN Y, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007

List of elements for 6.0L VIN Y, Transfer Case Wiring Diagram, Selectable for Chevrolet Silverado 1500 2007:

• 4 hi ind ctrl
• (4.3l)
• (4.8l,5.3l,6.0l)
• (4.8l,5.3l,6.ol)
• (allison)
• (diesel)
• (in i/p harn, 9 cm from main harness assembly breakout) j207
• (top left rear of eng)
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 2wd
• 4 hi
• 4 lo
• 4 lo ind ctrl
• 4 speed transmission
• 4-hi ind
• 4-lo ind
• 4wd indicator lamp
• 5 volt
• 6 speed transmission
• 8v sply
• Accy wakeup srl data
• Aux hvac-ign fuse 50 10a
• Axle actr ctrl
• Axle sw sig
• Batt +
• Body control module (lower left side of dash)
• Computer data lines system
• Ctrl
• Engine control module (left front of eng compt, near fan shroud)
• Exterior lights system
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G103 (on front of right cylinder head)
• G107
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc and run
• Hot in run or start
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder sig
• Instrument panel cluster
• Interior lights system
• J104
• J105
• Left i/p junction block (lower left side of dash)
• Lo ref
• Logic
• Misc ign fuse 44 10a
• Mtr ctrl a
• Mtr ctrl b
• Neut
• Neutral ind
• Outside moisture sensor (near inside rear view mirror)
• Pnk
• Right i/p junction block (in right end of dash)
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 30 15a
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch
• Transmission control module (left front of eng compt, near fan shroud)
• Trec fuse 69 30a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• X1 a3 pnk
• X1 a4
• X5 g4 pnk