TRANSMISSION – Chevrolet Silverado 2500 HD 2008 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 2500 HD 2008

List of elements for A/T Wiring Diagram (1 of 2) for Chevrolet Silverado 2500 HD 2008:

• (4.3l)
• (except 4.3l)
• (lower left side of dash) left i/p junction block
• 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 (on front of right cylinder head)
• G106 (right rear of engine)
• 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
• J130
• Low ref
• Misc ign fuse 43 10a
• P/n
• Park/neutral position (pnp) switch (on left rear side of transmission)
• Pc sol hi
• Pc sol low
• Pnk
• Power distribution system
• Replicated tos sig
• Stop lamp switch (top of brake pedal assembly)
• 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 19 15a
• Transmission control module (tcm) (left front of engine compt, near fan shroud)
• Underhood fuse block (left side of engine compt)
• Vehicle speed sensor (vss) (on transmission tailshaft housing)
• Vss hi sig
• Vss low
• W/ 4wd
• W/o 4wd

A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 2500 HD 2008

List of elements for A/T Wiring Diagram (2 of 2) for Chevrolet Silverado 2500 HD 2008:

• 1-2 shift solenoid (ss) valve
• 2-3 shift solenoid (ss) valve
• 3-2 shift solenoid (ss) valve
• 4.3l
• Automatic transmission
• Automatic transmission fluid pressure (tfp) manual valve position switch
• Automatic transmission fluid temperature (tft) sensor
• 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 -
• Input speed sensor (iss)
• Instrument panel cluster (ipc)
• J116
• J126
• J230
• Lo gm gmlan
• Logic
• Mil ind
• Mil ind ctrl
• Mil sig
• Nca
• Pnk
• Pressure control (pc) solenoid valve
• Prnd321
• Red
• Replicated tos sign
• Rev
• Tan
• Torque converter clutch (tcc) pulse width modulation (pwm) solenoid valve
• Torque converter clutch (tcc) solenoid valve
• Tow haul switch
• Tow/ haul ind
• Tow/haul sw sig

Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 2500 HD 2008

List of elements for Transfer Case Wiring Diagram, 2-Speed Automatic for Chevrolet Silverado 2500 HD 2008:

• (4.3l)
• (4.8l, 5.3l, 6.0l & 6.2l)
• (in instrument panel harness, in transfer case shift control module connector breakout) j207
• (lower left side of dash)
• 2 hi ind ctrl
• 2-hi ind
• 2a4
• 4 hi ind ctrl
• 4 lo ind ctrl
• 4-hi ind
• 4-lo ind
• 4.3l
• 4wd ind
• 5 volt
• 6.0l (vin y), 4.3l, 4.8l & 5.3l
• 6.2l & 6.0l (vin k)
• 6.6l
• 8v sply
• Acc wakeup serial data
• Acc wakeup serial data x1
• Accy wakeup srl data
• Auto 4wd
• Aux hvac-ign fuse 48 fuse 45 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
• Diesel
• Dirtn sig
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Except 4.3l & 6.6l
• Front axle actuator (on front axle assembly)
• G102 (on lower left front of eng)
• G107 (top left rear of eng)
• G201 (upper left corner of dash)
• G4 pnk
• Gas
• Gmlan bus +
• Gmlan bus -
• Gmlan bus-
• Gnd
• Hot at all times
• Hot in acc or run
• Hot w/ run/crnk relay energized
• Ign
• Ign volt
• Incrmt encoder directn sig
• Incrmt encoder impulse sig
• Instrument cluster panel (ipc)
• Interior lights system
• J104 (in engine harness, 5 cm from engine control module connector breakout)
• J105
• J130 (4 speed a/t) pnk
• J220 (w/ steering pnk
• Left i/p junction block
• Left i/p junction block (lower left side of dash)
• Lo ref
• Lock sol ctrl
• Logic
• Low ref
• Misc ign fuse 43 fuse 40 10a
• Mtr ctrl a
• Mtr ctrl b
• Neutral ind
• Outside moisture sensor (near inside rearview mirror mount)
• Pnk
• Power distribution system
• Pulse sig
• Right i/p junction block (in right end of dash)
• Rotary position sens sig
• Shift motor
• Sw sig
• Tan
• Trans ig1 fuse 19 fuse 13 15a
• Transfer case 2/4 wheel drive actuator position sensor
• Transfer case encoder motor (on transfer case)
• Transfer case shift control module (lower left side of dash)
• Transfer case shift control switch (on top left of transfer case)
• Transmission control module (tcm) (left front of engine compt, near fan shroud)
• Trec fuse 67 fuse 62 10a
• Underhood fuse block (left side of engine compt)
• W/ outside moisture sensor
• W/o outside moisture sensor
• Wheel heater)
• X1 a3 pnk

Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 2500 HD 2008

List of elements for Transfer Case Wiring Diagram, 2-Speed Manual for Chevrolet Silverado 2500 HD 2008:

• (4.3l)
• (4.8l, 5.3l, 6.ol & 6.2l)
• (diesel)
• (gas) (diesel)
• (lower left side of dash) left i/p junction block
• (on lower left front of engine)
• (top left rear of engine) g107
• 4.3l
• 4.8l, 5.3l, 6.0l & 6.2l
• 4wd ind
• 4wd low sig
• Aux hvac-ign fuse 48 fuse 45 10a
• Axle sw sig
• Computer data lines system
• Diesel
• Engine control module (ecm) (left front of engine compt, near fan shroud)
• Front axle actuator (on front axle assembly)
• G102 g103 (on front of right cylinder head)
• G201 (upper left corner of dash)
• Gmlan bus +
• Gmlan bus -
• Hot w/ run/crnk relay energized
• Ign
• Instrument panel cluster (ipc)
• J105
• J130 (4 speed a/t)
• J220 (w/ steering pnk
• Logic
• Pnk
• Tan
• Trans ign 1 fuse 19 fuse 13 10a
• Transfer case shift control switch (on top left of transfer case)
• Underhood fuse block (left side of engine compt)
• Wheel heater)
• X2 n4 pnk
• X5 g4