ENGINE PERFORMANCE – GMC Jimmy 1994 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.3L

4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 2) for GMC Jimmy 1994

List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 2) for GMC Jimmy 1994:

• (frame ground)
• 12v battery
• 12v ignition
• 5v return b
• 5v sensor ref
• A/c compressor clutch
• A/c on signal in
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Brake sw to pcm
• Bulb test or start
• Coolant temp sensor
• Cruise control module
• Cruise ind reg grd
• Data link connector (behind left side of i/p)
• Diode module (above fuse block)
• Distributor ref hi
• Distributor ref lo
• Dlc
• Dlc serial data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Ecmb fuse 15a
• Ecmi fuse 10a
• Egr position input
• Egr valve solenoid
• Elec fuel pump in
• Electric shift trasfer case control module
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Four wheel drive input
• Fuel injector (top of engine inside plenum)
• Fuel pump and sender (at fuel tank)
• Fuel pump prime connector (engine compartment on center of cowl)
• Fuel pump relay (under center of i/p)
• Fuel pump relay ctrl
• Fuel pump/ oil pressure switch (top rear of engine, near distributor)
• Fuse block (behind left side of i/p)
• G114 (rear of left cylinder head)
• G117 (rear of right cylinder head)
• Hot at all times
• Hot in run,
• Iat sensor input
• Ign/gau fuse 20a
• Ignition bypass
• Ignition control (ic)
• Instrument cluster
• Knock sensor (in left cylinder head)
• Knock sensor (top rear of engine)
• Knock sensor in
• Lo side inj a
• Malfunction indicator lamp
• Map sensor in
• Mil indicator ctrl
• Oxygen sensor hi
• Oxygen sensor lo
• Pcm to trans temp sensor
• Pcm trans force mtr hi
• Pcm trans force mtr lo
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pcm trans shift sol a
• Pcm trans shift sol b
• Pnk
• Powertrain control module (behind right side of i/p)
• Red
• Stepper coil a hi
• Stepper coil a lo
• Stepper coil b hi
• Stepper coil b lo
• System ground
• Tan
• Tcc clutch ctrl
• Tcc enable
• Throttle position sensor in
• Trans shift 2/3 solenoid
• Variable tuning control relay (engine compartment, left side of cowl)
• Variable tuning control solenoid (location not available)
• Variable tuning ctrl rly
• Vss buffer signal

4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 2) for GMC Jimmy 1994

List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 2) for GMC Jimmy 1994:

• (front of engine)
• (rear of engine)
• 1-2 shift sol
• 2-3 shift sol
• 3-2 control solenoid
• Accy
• Brake fuse 15a
• Bulb test
• C11
• C13
• Chev gmc
• Distributor
• Distributor assembly
• Electronic 4 - speed overdrive transmission
• Engine coolant tmperature sensor
• Force motor
• Fuse block (behind left side of i/p)
• G117 (rear of right cylinder head)
• Heated oxygen sensor (in y-pipe)
• Hot at all times
• Hot in run
• Idle air control valve (top front of engine
• Ignition coil (top rear of engine)
• Ignition switch
• Instrument cluster (tachometer)
• Intake air tmperature sensor (top left front of engine, near generator)
• Linear egr solenoid (top front of engine)
• Lock
• Manifold absolute pressure sensor (top right side of engine)
• Nca
• Off
• Olds
• Pick-up coil
• Pnk
• Red
• Run
• Start
• Tan
• Tcc sol
• Tcc/brake switch (on brake pedal support)
• Tp sensor (top left front of engine)
• Trans range press sw assembly
• Trans- mission fluid temp sensor
• Vehicle speed sensor buffer (behind right side of i/p)

4.3L (VIN Z), Engine Performance Wiring Diagrams (1 of 2) for GMC Jimmy 1994

List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams (1 of 2) for GMC Jimmy 1994:

• (frame ground)
• 12v battery
• 12v ignition
• 5v return b
• 5v sensor ref
• A/c compressor
• A/c on signal in
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• B10
• B11
• B12
• B13
• B14
• B15
• B16
• Brake sw to pcm
• Bulb test or start
• Clutch
• Coolant temp sensor
• Cruise control module
• Cruise ind reg grd
• Data link connector (behind left side of i/p)
• Diode module (above fuse block)
• Distributor ref hi
• Distributor ref lo
• Dlc
• Dlc serial data
• E10
• E11
• E12
• E13
• E14
• E15
• E16
• Ecmb fuse 15a
• Ecmi fuse 10a
• Egr valve solenoid
• Elec fuel pump in
• Electric shift trasfer case control module
• F10
• F11
• F12
• F13
• F14
• F15
• F16
• Four wheel drive input
• Fuel pump and sender (at fuel tank)
• Fuel pump prime connector (engine compartment on center of cowl)
• Fuel pump relay (under center of i/p)
• Fuel pump relay ctrl
• Fuel pump/ oil pressure switch (top rear of engine, near distributor)
• Fuse block (behind left side of i/p)
• G114 (rear of left cylinder head)
• G117 (rear of right cylinder head)
• Hot at all times
• Hot in run,
• Ign/gau fuse 20a
• Ignition bypass
• Ignition control (ic)
• Knock sensor (in left cylinder head)
• Knock sensor (top rear of engine)
• Knock sensor in
• Lo side inj a
• Lo side inj b
• Map sensor in
• Mil indicator ctrl
• Oxygen sensor hi
• Oxygen sensor lo
• Pcm to trans temp sensor
• Pcm trans force mtr hi
• Pcm trans force mtr lo
• Pcm trans range a
• Pcm trans range b
• Pcm trans range c
• Pcm trans shift sol a
• Pcm trans shift sol b
• Pnk
• Powertrain control module (behind right side of i/p)
• Red
• Stepper coil a hi
• Stepper coil a lo
• Stepper coil b hi
• Stepper coil b lo
• System ground
• Tan
• Tcc clutch ctrl
• Tcc enable
• Throttle body fuel injector #1 (top center of engine in throttle body)
• Throttle body fuel injector #2 (top center of engine in throttle body)
• Throttle position sensor in
• Upshift ind (2/3 sol)
• Vss buffer signal

4.3L (VIN Z), Engine Performance Wiring Diagrams (2 of 2) for GMC Jimmy 1994

List of elements for 4.3L (VIN Z), Engine Performance Wiring Diagrams (2 of 2) for GMC Jimmy 1994:

• (analog) (digital)
• (front of engine)
• (rear of engine)
• (rear of left cylinder head)
• 1-2 shift sol
• 2-3 shift sol
• 3-2 control solenoid
• A/t
• Accy
• Brake fuse 15a
• Bulb test
• C11
• C11 a14
• C12 a15
• C4 b15
• Distributor
• Distributor assembly
• Egr electronic vacuum regulator solenoid valve (rear of throttle body)
• Electronic 4 - speed overdrive transmission
• Engine coolant tmperature sensor
• Force motor
• Fuse block (behind left side of i/p)
• G114
• G117 (rear of right cylinder head)
• Heated oxygen sensor (in y-pipe)
• Hot at all times
• Hot in run
• Idle air control valve (top front of engine near a/c compressor)
• Ignition coil (top rear of engine)
• Ignition switch
• Instrument cluster
• Instrument cluster (tachometer)
• Lock
• M/t
• Mal- function indicator lamp
• Manifold absolute pressure sensor (top right side of engine)
• Nca
• Off
• Pick-up coil
• Pnk
• Red
• Run
• Start
• Tcc sol
• Tcc/brake switch (on brake pedal support)
• Tp sensor (top left front of engine)
• Trans range press sw assembly
• Trans- mission fluid temp sensor
• Upshift indicator lamp
• Vehicle speed sensor buffer (behind right side of i/p)