TRANSMISSION – Chevrolet Blazer 1997 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

4.3L

4.3L (VIN W), Transmission Wiring Diagram, 4L60-E for Chevrolet Blazer 1997

List of elements for 4.3L (VIN W), Transmission Wiring Diagram, 4L60-E for Chevrolet Blazer 1997:

• (behind left side of dash)
• (eng harn, 19 cm from inj harn breakout) s115
• (twisted wire pair)
• 1-2 shift sol
• 1-2 shift sol ctrl
• 2-3 shift sol
• 2-3 shift sol ctrl
• 3-2 shift sol
• 3-2 sol ctrl
• 5v reference
• All times
• And start
• Anti-lock brakes system
• Automatic transmission (4l60-e)
• Battery feed
• Brake fuse 12 10a
• Brake pressure modulator valve, cruise control module & cruise control switch
• Brake signal
• Cruise control system
• Data link connector (partial) (below left side of dash)
• Ecm batt
• Ecm ign fuse 10 20a
• Ect signal
• Electronic ignition control module, crankshaft position sensor, ignition coil & fuel injectors)
• Engine controls system
• Engine coolant temperature sensor (thermostat housing)
• Fuel pump relay
• Fuel pump switch/ engine oil pressure gauge sensor
• Fuse 9 20a
• G114 (rear of left cylinder head)
• G117 (rear of right cylinder head)
• Gauges fuse 4 10a
• Hot at
• Hot in
• Hot in run
• Hot in run, bulb
• I/p fuse block
• Ignition feed
• Instrument cluster
• Malfunction indicator lamp
• Mil ctrl
• Park pawl actuator (w/ a/t) & instrument cluster
• Park pawl actuator (w/ floor shift) or instrument cluster (w/ column shift)
• Pickup
• Pnk
• Press ctrl so hi
• Press ctrl sol lo
• Pressure control solenoid
• Range signal-a
• Range signal-b
• Range signal-c
• Red
• Rev
• Run
• Run feed
• S100 (eng harn 30 cm from vcm breakout)
• S106
• S108
• S140
• S220
• S227 (dash harn, approx 8 cm from data link conn breakout)
• S238 (dash harn, approx 11 cm from tcc brake & cruise control rel sw breakout)
• S239
• S266
• Sensor ground
• Serial data
• Shield
• System gnd
• Tan
• Tcc brake & cruise control release switch (on brake pedal bracket)
• Tcc pwm sol
• Tcc pwm sol ctrl
• Tcc sol
• Tcc sol ctrl
• Test or start
• Tft signal
• Throttle position sensor
• Tp signal
• Trans fuse 24 10a
• Transmission fluid temperature sensor
• Transmission range pressure switch assembly
• Utility
• Vehicle control module (right side of engine compt)
• Vehicle speed sensor (on transmission-2wd) (on transfer case-4wd)
• Vss hi
• Vss lo

Electronic Transfer Case Wiring Diagram for Chevrolet Blazer 1997

List of elements for Electronic Transfer Case Wiring Diagram for Chevrolet Blazer 1997:

• (a/t only)
• (a/t) 4wd lo selected
• (a/t) pnp switch in (p)
• (dash harn, 20 cm from breakout of 23-pin conn behind right side of dash) s259
• (m/t only)
• (w/ m/t only)
• 12v battery
• 12v ignition
• 2 hi request
• 2 hi status lamp
• 2wd hi indicator
• 2wd hi switch
• 4 hi request
• 4 hi status lamp
• 4 lo request
• 4 lo status lamp
• 4wd fuse 19 20 a
• 4wd hi indicator
• 4wd hi switch
• 4wd lo in
• 4wd lo indicator
• 4wd lo switch
• A/c compressor relay & inflatable restraint diagnostic energy reserve module
• Anti-lock brakes system
• Axle sw in
• C10
• C11
• C12
• C14
• C16
• Chassis ground
• Crank fuse 20 20a
• Cruise control system
• D10
• D12
• D13
• D14
• D15
• D16
• Data link connector
• Data link connector (partial) (lower left side of dash)
• Electronic shift transfer case
• Encoder channel a
• Encoder channel b
• Encoder channel c
• Encoder channel d
• Encoder channel-a
• Encoder channel-b
• Encoder channel-c
• Encoder channel-d
• Encoder ground
• Encoder signal ground
• Front axle switch (on front axle)
• Fuel level buffer, daytime running lamps relay, instrument cluster & rear window defogger switch
• G117 (rear of right cylinder head)
• Gauges fuse 4 10a
• Gnd
• Head- lamp switch
• Hot at all times
• Hot in run or start
• Hot in start
• I/p fuse block (left end of dash)
• Motor control a
• Motor control b
• Motor ground
• Park/neutral position & backup lamp switch
• Pk lps fuse 3 20a
• Pnk
• Pnp switch in (a/t)
• Pnp switch in (m/t)
• Power ground
• Radio
• Red
• S112
• S212 (i/p harn, approx 7 cm from radio breakout)
• S213
• S241
• S242
• S246
• S253
• Starting/ charging system (w/ m/t)
• Tcc brake & cruise control switch
• Transfer case select switch
• Transfer case shift control module (behind center of dash)
• Transmission range switch (left side of transmission) (a/t only)
• Turn b/u fuse 16 15a
• Turn signal lamp flasher
• Under- hood lamp
• Vehicle control module (right side of engine compt)
• Vehicle spd out
• Vehicle speed in
• Vss in