ENGINE PERFORMANCE – GMC Jimmy 1996 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.3L

4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 4) for GMC Jimmy 1996

List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (1 of 4) for GMC Jimmy 1996:

• (a/t)
• (m/t)
• 1-2 shift sol. ctrl
• 2-3 shift sol. ctrl
• 3-2 ctrl sol. ctrl
• A/c comp rly ctrl
• A/c compressor clutch relay (center rear of engine compartment)
• Anti-lock brake system (left front wheel speed sensor)
• Anti-lock brakes system (right front wheel speed sensor)
• Cam posit sens rtn
• Cam posit sens sig
• Camshaft position sensor (located within high voltage switch) (in distributor)
• Canister vent val sol
• Coil
• Crank posit sens ground
• Crank posit sens signal
• Crankshaft position sensor (lower right front of engine)
• Ect sens input
• Egr pintle posit input
• Evap emiss purge ctrl
• Evaporative emissions canister purge solenoid (evap) (top right center of engine)
• Evaporative emissions canister vent valve solenoid (if equipped)
• Fuel level input
• G114 (rear of left cylinder head)
• Hall effect sensor
• Iat temp sens sig
• Idle air control motor (top left side of engine)
• Idle air ctrl (iac) a hi
• Idle air ctrl (iac) a lo
• Idle air ctrl (iac) b hi
• Idle air ctrl (iac) b lo
• Ignition feed
• Inj no.1 ctrl
• Inj no.2 ctrl
• Inj no.3 ctrl
• Inj no.4 ctrl
• Inj no.5 ctrl
• Inj no.6 ctrl
• Knock sens sig
• Knock sensor (top rear of engine)
• Left bnk o2 sens hi
• Left bnk o2 sens lo
• Left front sens high
• Left front sens low
• Left oxygen sensor (in left exhaust pipe)
• Map sens input
• Mass air flow input
• Nca
• Pnk
• Pnk a
• Pnk c
• Post-ctlyst o2 sens hi
• Post-ctylst o2 sens lo
• Pre-converter oxygen sensor (forward of catalytic converter)
• Pre-ctlyst o2 sens hi
• Pre-ctlyst o2 sens lo
• Pump driver
• Pump motor relay
• Right bnk o2 sens hi
• Right bnk o2 sens lo
• Right front sens high
• Right front sens low
• Right oxygen sensor (right rear of engine in exhaust pipe)
• Sensor ground
• Tan
• Tcc on/off sol. ctrl
• Tcc pwm sol ctrl
• Tft sig
• Throttle posit sens
• Vehicle control module (vcm) (right side of engine compartment)
• Vehicle speed sensor (vss) (rear of transfer case) (a/t & 4wd) (left side of transmission) (m/t)
• Vss (hi)
• Vss (lo)

4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 4) for GMC Jimmy 1996

List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (2 of 4) for GMC Jimmy 1996:

• 1-2 shift sol.
• 2-3 shift sol.
• 3-2 control sol.
• Automatic transmission
• Ecm/ign fuse 10 20a
• Eng fuse 5 20a
• Fuel inj. no.1
• Fuel inj. no.2
• Fuel inj. no.3
• Fuel inj. no.4
• Fuel inj. no.5
• Fuel inj. no.6
• Hot in run, bulb test, or start
• I/p fuse block
• Linear exhaust gas recirculation (egr) solenoid valve (top front of engine)
• Nca
• Pnk
• Pnk pnk pnk
• Post-converter oxygen sensor (rear of catalytic converter)
• Pressure control solenoid (pcs)
• Red
• Tan
• Tcc on/off sol.
• Tcc pwm sol.
• Transmission fluid temperature (tft) sensor (internal)
• Transmission range (tr) pressure switch assembly

4.3L (VIN W), Engine Performance Wiring Diagrams (3 of 4) for GMC Jimmy 1996

List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (3 of 4) for GMC Jimmy 1996:

• (rear of left cylinder head) g114
• (rear of right cylinder head) g117
• 5v ref
• A/t only
• Ecm batt fuse 9 20a
• Engine coolant temperature (ect) sensor (lower left side of engine)
• Four-wheel drive indicator assembly (center of floor console)
• Front axle switch (closed in 4wd) (front axle, right of differential)
• Fuel pump & sender (top of fuel tank)
• Fuel pump oil pressure switch (top rear of engine near distributor)
• Fuel pump prime connector
• Fuel pump relay
• Fuel tank pressure sensor
• G114 (rear of left cylinder head)
• Gauge input oil pressure
• Gauges fuse 4 10a
• Hot at all times
• Hot in run
• Hot in run, bulb test or start
• I/p fuse block
• Input fuel gauge
• Input speedometer
• Input tachometer
• Inside left frame rail
• Instrument cluster
• Intake air temperature (iat) sensor (left front of engine compartment in air intake duct)
• Malfunction indicator (mil) "service engine soon" lamp
• Manifold absolute pressure (map) sensor (top center of engine)
• Map
• Mass airflow sensor (left front of engine on air cleaner housing)
• Nca
• Pnk
• Red
• Ref lo
• Relay center
• Shift "upshift indicator" lamp
• Tan
• Tan a
• Temp
• Throttle position (tp) sensor (top left side of engine)
• Trans fuse 24 10a
• Transfer case control module (behind center of i/p)
• W/elec. shift ctrl
• W/o elec. shift ctrl

4.3L (VIN W), Engine Performance Wiring Diagrams (4 of 4) for GMC Jimmy 1996

List of elements for 4.3L (VIN W), Engine Performance Wiring Diagrams (4 of 4) for GMC Jimmy 1996:

• 12v ign feed
• 4wd fnt whl lock
• 4wd low ind sig
• 5v ref. voltage
• 5v return
• A/c high pressure cut/out switch (rear of a/c compressor)
• A/c on input
• A/t
• A/t only
• Abs enable relay
• Abs pump feed output
• Abs relay
• Abs voltage
• Abs warning lp ctrl
• Anti-lock brakes system (brake pressure warning switch)
• Brake fuse 12 10a
• Brake input
• Brake press sw input
• Brake pressure modulator valve (left rear of engine compartment)
• Brake switch input
• Brake warning lp ctrl
• Bravada
• Bravada only
• C4 b
• Clutch pedal position switch (on clutch pedal support bracket)
• Cruise control module (left rear of engine compartment, on cowl)
• Cruise ctrl eng sig
• Cruise on signal
• Cylinder no.1
• Cylinder no.2
• Cylinder no.3
• Cylinder no.4
• Cylinder no.5
• Cylinder no.6
• Data link connector (dlc) (lower left side of i/p)
• Distributor (top rear of engine)
• Distributor ignition control module (top right side of engine)
• Driver information display center (front of overhead console)
• Est output sig
• Fuel level input
• Fuel pump rly ctrl
• G114 (rear of left cylinder head)
• G117 (rear of right cylinder head)
• Ground
• High voltage coil wire
• Hot in run
• I/p fuse block
• Ign timing sig.
• Ignition coil (top right side of engine)
• Ignition feed
• Instrument cluster system (anti-lock ind., diode module & brake ind.)
• Isolation solenoid
• Left fnt pwm sol ctrl
• Left front
• Left front iso sol
• M/t
• Mil control
• Nca
• Pnk
• Pnk a
• Press ctrl sol lo
• Press ctrl sol. hi
• Pump drive output
• Pump driver feedback
• Pwm solenoid
• Range signal "a"
• Range signal "b"
• Range signal "c"
• Rear
• Rear iso sol ctrl
• Rear pwm sol ctrl
• Red
• Right fnt pwm sol ctrl
• Right front
• Right front iso sol
• Sensor ground
• Serial data sig
• Spark plugs
• System ground
• Tach. sig.
• Tcc/stoplamp switch (tcc/cruise release switch) (n.c) (on brake pedal support bracket)
• Upshift ind lp ctrl
• Utility
• Utility only
• Vehicle control module (vcm) (right side of engine compartment)
• Vss input
• Vss sig (4000 ppm)
• W/elec shift ctrl
• W/o elec shift ctrl