TRANSMISSION – Ford Excursion 2003 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

4WD Wiring Diagram for Ford Excursion 2003

List of elements for 4WD Wiring Diagram for Ford Excursion 2003:

• (in backup light switch to rear light feed harn, near breakout to c1220)
• (left side of engine compt) abs control module
• (left side of transmission) digital transmission range sensor
• (pick-up)
• 4wd hi
• 4wd hi ind
• 4wd lo
• 4wd lo ind
• 4wd sw
• 87a
• Auxiliary relay box 3 (left rear side of engine compartment)
• Bpp sw
• Brake pedal position switch (behind left side of dash, above brake pedal)
• C135
• C220b
• C270a
• C270h
• C270m
• C281a
• C281b
• C281c
• C350a
• C350b
• Central junction box (lower left side of dash)
• Clutch pedal position switch
• Computer data lines connector
• Data link connector (behind center of dash)
• Dtr sensor, park brake relay, gas: speed control servo, dsl: vacuum pump motor
• Electronic shift-on-the-fly (esof) solenoid (right side of engine compt)
• Esof sol
• Excursion: pats module, eatc module
• Exterior lights system
• Four-wheel drive control module (behind right side of dash)
• Four-wheel drive switch
• Fuse 10a
• Fuse 15a
• Fuse 30a
• G100 (left rear side of engine compt)
• G201 (behind left side of dash)
• G300 (at floor, in left front footwell)
• Ground
• Hi to lo
• Hot at all times
• Hot in run
• Hot in run or acc
• Hot in run or start
• Hot in start
• Ign (st)
• Ign (st/run)
• Illum
• Instrument cluster
• Instrument cluster, windshield wiper motor, pickup: fuel tank selector switch
• Interior lights system
• Iso bus
• Lo to hi
• Main light switch, accelerator pedal position sensor, main light switch, instrument cluster, auxiliary powertrain control module, grade/load switch, clutch triple function switch jumper, overdrive cancel switch
• Motor 2
• Motor 3
• Motor 4
• Motor 5
• Nuet sens
• Off
• Pickup
• Red
• Ref volt
• Reverse
• S124
• S199
• S201
• S205 (behind left side of dash)
• S225 (behind instrument cluster)
• S228
• S250
• S253 (main harn, at breakout for instrument cluster)
• S254
• S255
• S257
• S271
• S275
• Shift sol
• Transfer case assembly
• Transfer case high to low relay
• Transfer case low to high relay
• Vpwr
• Vss in
• Vss out

5.4L

5.4L, A/T Wiring Diagram for Ford Excursion 2003

List of elements for 5.4L, A/T Wiring Diagram for Ford Excursion 2003:

• (5.4l calif) s133
• (backup light sw to rear light feed harn, near breakout for auto trans module)
• (eng cntrl harn, near breakout for brake pressure switch)
• (eng cntrl harn, near breakout for g100 s122
• (in main harn, near breakout to brake pedal position switch)
• (left side of firewall) powertrain control module (pcm)
• 4-wheel drive control module, pats module, eatc module
• 4r100 transmission
• Bpp sw
• Brake pedal position switch
• C175
• C270a
• C270f
• C270h
• Ccs
• Central junction box (lower left side of dash)
• Cht
• Coast clutch
• Computer data lines system
• Control solenoids
• Cylinder head temperature sender (on right cylinder head)
• Data
• Digital transmission range sensor (left side of transmission)
• Electronic pressure
• Engine controls
• Epc
• Exterior lights system
• Fuse 10a
• Fuse 20a
• G100 (left rear of engine compt)
• G101 (left rear of engine compt)
• G300 (at floor, in left front footwell)
• Ground
• Hot at all times
• Hot in run or start
• Iat
• Maf
• Main light switch, accelerator pedal position sensor, main light switch, instrument cluster, overdrive cancel switch
• Mass airflow sensor (left front of engine compt)
• Nca
• Near breakout for g101)
• Oss
• Output shaft speed sensor (top of transmission extension housing)
• Overdrive cancel switch
• Pcm power diode
• Pcm power relay
• R p
• Red
• S106
• S114 (eng cntrl narn near breakout for g101)
• S123 (in eng cntrl harn, near breakout for powertrain control module)
• S132
• S138
• S139
• S162
• S170 (calif)
• S201
• S205
• S228
• S271
• Scp (+)
• Scp (-)
• Shift 1
• Shift 2
• Sig rtn
• Ss1
• Ss2
• Tcc
• Tcil
• Tcs
• Tft
• Throttle position (tp) sensor (on throttle body)
• Tr1
• Tr2
• Tr3
• Tr4
• Transmission converter clutch
• Transmission fluid temperature sensor
• Tss
• Turbine shaft speed sensor (top of transmission at converter housing)
• Vpwr
• Vref

6.0L DIESEL

6.0L Diesel, A/T Wiring Diagram (1 of 2) for Ford Excursion 2003

List of elements for 6.0L Diesel, A/T Wiring Diagram (1 of 2) for Ford Excursion 2003:

• (in engine con- trol sensor & fuel charge harn, at break- out for air charge temp sensor)
• (in engine control harn, near breakout for g101)
• (in main harn, near breakout to brake pedal position switch) s224
• (maf) sens out
• Acc
• Brake ped pos sw
• Brake pedal position (bpp) switch (behind left side of dash, above brake pedal)
• Brake pressure switch, egr valve actuator, injection pressure regulator, glow plug control module
• C1381a
• C1381c
• C270a
• C270h red
• Can bus 1h
• Can bus 1l
• Central junction box (behind lower left side of dash)
• Chassis gnd
• Cool temp sens
• Data link connector (dlc) (behind left side of dash)
• Egr thrtl pos
• Engine coolant temperature (ect) sensor
• Fuse 10a
• Fuse 20a
• Fuse 30a
• G100
• G101
• G300 (on vehicle floor, in left front footwell)
• Grade/load switch
• Grd/load sw
• Hot at all times
• Hot in run or start
• Ignition switch
• Injector driver module, fuel heater relay
• Intk air temp sens
• Lock
• Maf sens sig rtn
• Main light switch, accelerator pedal position sensor, main light switch, instrument cluster, auxiliary powertrain control module, clutch triple function switch jumper, grade/load switch
• Mass airflow (maf) sensor
• Nca
• Off
• Pcm power diode
• Pcm power relay
• Powertrain control module (pcm) (on left side of firewall)
• Pwr gnd
• Pwr in
• Red
• Ref volt
• Run
• S101
• S106
• S114
• S123
• S162
• S190
• S192
• S271
• Sig rtn
• Start
• Throttle position (tps) sensor
• To fuel pump relay

6.0L Diesel, A/T Wiring Diagram (2 of 2) for Ford Excursion 2003

List of elements for 6.0L Diesel, A/T Wiring Diagram (2 of 2) for Ford Excursion 2003:

• (epc) sol 1 ctrl
• (epc) sol 2 ctrl
• (epc) sol 3 ctrl
• (epc) sol 4 ctrl
• (epc) sol 5 ctrl
• (epc) sol common
• (in back-up light switch to
• (iss) sens in
• (on left side of firewall)
• (oss) sens in
• (tcc) sol ctrl
• (tcil) ctrl
• (tft) sens
• (tft) sens in
• (tss) sens in
• (w/ elec- tronic shift on the fly)
• Automatic transmission 5r110
• C1381b
• C281b
• Exterior lights system
• Four- wheel drive control module (behind right side of dash)
• In breakout to transmission)
• Intermediate shaft
• Line press sol
• Neutral sw sen
• Output shaft speed (oss) sensor (on top of transmission extension housing)
• Powertrain control module (pcm)
• Pressure control solenoid
• Pressure sw 1 in
• Pressure sw 2 in
• Pressure sw 3 in
• Pressure sw 4 in
• Pressure sw 5 in
• Rear light feed harness,
• Ref volt
• Rev lmp rly ctrl
• S127
• S128 (in back-up light switch to rear light feed harn, near breakout for transmission)
• S129
• Sig rtn
• Speed sensor
• Speed sensor assembly
• Tran range sens
• Transmission fluid temperature sensor
• Transmission range sensor (trs)
• Turbine shaft speed sensor

6.8L

6.8L, A/T Wiring Diagram for Ford Excursion 2003

List of elements for 6.8L, A/T Wiring Diagram for Ford Excursion 2003:

• (5.4l calif) s133
• (backup light sw to rear light feed harn, near breakout for auto trans module)
• (eng cntrl harn, near breakout for brake pressure switch)
• (eng cntrl harn, near breakout for g100 s122
• (in main harn, near breakout to brake pedal position switch)
• (left side of firewall) powertrain control module (pcm)
• 4-wheel drive control module, pats module, eatc module
• 4r100 transmission
• Bpp sw
• Brake pedal position switch
• C175
• C270a
• C270f
• C270h
• Ccs
• Central junction box (lower left side of dash)
• Cht
• Coast clutch
• Computer data lines system
• Control solenoids
• Cylinder head temperature sender (on right cylinder head)
• Data
• Digital transmission range sensor (left side of transmission)
• Electronic pressure
• Engine controls
• Epc
• Exterior lights system
• Fuse 10a
• Fuse 20a
• G100 (left rear of engine compt)
• G101 (left rear of engine compt)
• G300 (at floor, in left front footwell)
• Ground
• Hot at all times
• Hot in run or start
• Iat
• Maf
• Main light switch, accelerator pedal position sensor, main light switch, instrument cluster, overdrive cancel switch
• Mass airflow sensor (left front of engine compt)
• Nca
• Near breakout for g101)
• Oss
• Output shaft speed sensor (top of transmission extension housing)
• Overdrive cancel switch
• Pcm power diode
• Pcm power relay
• R p
• Red
• S106
• S114 (eng cntrl narn near breakout for g101)
• S123 (in eng cntrl harn, near breakout for powertrain control module)
• S132
• S138
• S139
• S162
• S170 (calif)
• S201
• S205
• S228
• S271
• Scp (+)
• Scp (-)
• Shift 1
• Shift 2
• Sig rtn
• Ss1
• Ss2
• Tcc
• Tcil
• Tcs
• Tft
• Throttle position (tp) sensor (on throttle body)
• Tr1
• Tr2
• Tr3
• Tr4
• Transmission converter clutch
• Transmission fluid temperature sensor
• Tss
• Turbine shaft speed sensor (top of transmission at converter housing)
• Vpwr
• Vref

7.3L DIESEL

7.3L Diesel, A/T Wiring Diagram for Ford Excursion 2003

List of elements for 7.3L Diesel, A/T Wiring Diagram for Ford Excursion 2003:

• (backup light switch to rear light feed harn, near breakout for auto trans module)
• (eng cntrl harn, near breakout for g100) s122
• (eng cntrl harn, near breakout for g101)
• (left side of engine compt)
• (left side of firewall) powertrain control module (pcm)
• (main harn, near breakout to brake pedal position switch)
• 4-wheel drive control, pats & eatc module
• 4r100 transmission
• Accelerator pedal position sensor (on accelerator pedal support)
• App
• Bpp sw
• Brake pedal position switch
• C175
• C270a
• C270f
• C270g
• C270h
• Ccs
• Central junction box (lower left side of dash)
• Coast clutch
• Computer data lines system
• Control solenoids
• Data
• Digital transmission range sensor (left side of transmission)
• Electronic pressure
• Engine controls
• Epc
• Exterior lights system
• Fuse 10a
• Fuse 20a
• G100 (left rear of engine compt)
• G101
• G300 (at floor, in left front footwell)
• Ground
• Hot at all times
• Hot in run or start
• Iat
• Intake air temperature sensor (left side of engine compt)
• Main light switch, accelerator pedal position sensor, main light switch, instrument cluster, auxiliary powertrain control module, clutch triple function switch jumper, overdrive cancel switch
• Nca
• Near breakout for g101)
• Oss
• Output shaft speed sensor (top of transmission extension housing)
• Overdrive cancel switch
• Pcm power diode
• Pcm power relay
• R p
• Red
• S106
• S114
• S123 (eng cntrl harn, near breakout for g100)
• S138
• S139
• S162
• S170 (eng cntrl harn, near breakout for brake pressure switch)
• S201
• S205
• S228
• S271
• Scp (+)
• Scp (-)
• Shift 1
• Shift 2
• Sig rtn
• Ss1
• Ss2
• Tcc
• Tcil
• Tcs
• Tft
• Tr1
• Tr2
• Tr3
• Tr4
• Transmission converter clutch
• Transmission fluid temperature sensor
• Tss
• Turbine shaft speed sensor (top of transmission, at converter housing)
• Vbatt
• Vpwr
• Vref