TRANSMISSION – Ford F450 Super Duty 1999 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

4WD Wiring Diagram for Ford F450 Super Duty 1999

List of elements for 4WD Wiring Diagram for Ford F450 Super Duty 1999:

• 1.1k ohms
• 3.9k ohms
• 4 wheel drive mode switch
• 4x2 sol
• 4x4 high ind
• 4x4 high range indicator
• 4x4 low ind
• 4x4 low range indicator
• 4x4 mode sw
• 4x4 sol
• Anti-lock brake system module (left front of engine compt)
• Auxiliary powertrain control module, clutch pedal position switch, idle validation switch, overhead trip computer, overdrive cancel switch
• Bpp sw input
• Brake pedal position switch (under left side of dash)
• C1040
• C239
• C247
• C250
• C253
• C284
• C285
• Clutch pedal position switch, shift lock actuator, powertrain control module, anti-lock brake module
• Digital transmission range (dtr) sensor (left side of transmission)
• Fuse 10a
• Fuse 20a
• Fuse 30a
• G104 (left rear of engine compt)
• G200 (left kick panel)
• Generic electronic module (gem) (behind left side of dash)
• H2l rly ctrl
• High to low
• Hot at all times
• Hot in run
• Hot in run or start
• Ignition
• Illumination
• Instrument cluster
• Interior lights (instrument illumination)
• Junction box fuse/ relay panel (under left side of dash)
• L2h rly ctrl
• Low to high
• Neutral sw in
• Ohms
• Power distribution box (left side of engine compt)
• Red
• S124
• S205
• S206
• S213
• S250
• S251
• S255
• Shift lock actuator, drl relay
• Shift motor
• Sw a input
• Sw b input
• Sw c input
• Sw d input
• Tod rly ctrl
• Torque on demand relay
• Transfer case assembly (below vehicle, behind transmission)
• Transfer case shift relay module (in engine compt, next to central junction box)
• Vacuum hublock solenoid (right side of engine compt)
• Vacuum pump, speed control module, back-up lamp switch

6.8L

6.8L, A/T Wiring Diagram for Ford F450 Super Duty 1999

List of elements for 6.8L, A/T Wiring Diagram for Ford F450 Super Duty 1999:

• (engine ctrl harn, near battery junction box) s120
• (engine harn, left side of dash) s122
• (engine harn, near breakout to fuel injector)
• (engine harn, near breakout to pcm)
• (in back-up lamp harn)
• (left side of firewall) powertrain control module (pcm)
• (rear of engine compt) g123
• (under
• 4r100 transmission
• 4wd circuit
• 4wd low
• Anti-lock brake system module
• Anti-lock brake system module (left front of engine compt)
• Auxiliary powertrain control module, clutch pedal position switch, idle validation switch, overhead trip computer, instrument cluster
• Boo
• Brake pedal position switch (under left side of dash)
• C1027
• Ccs
• Center of dash) data link connector
• Cht
• Coast clutch control
• Cruise control, body computer, instrument cluster
• Cylinder head temperature (cht) sensor (top front of engine)
• Data
• Differential speed sensor (center of rear axle)
• Digital transmission range sensor (left side of transmission)
• Dlc (+)
• Dlc (-)
• Electronic pressure control solenoid
• Engine controls
• Epc
• Fuse 10a
• Fuse 20a
• Fuse 30a
• Fuse 5a
• G104 (left rear of engine compt)
• Ground
• Hot at all times
• Hot in run or start
• Iat
• Ignition coils, radio noise capacitor
• Intake air temperature sensor (on intake manifold)
• Junction box fuse/ relay panel (under left side of dash)
• Of dash)
• Overdrive cancel switch (end of transmission selector lever)
• Pcm power diode
• Pcm power relay
• Power distribution box (left side of engine compt)
• R p
• Red
• Red/ pnk
• Red/pnk
• S102
• S106
• S114
• S115 (engine harn, left side of engine compt)
• S123 (eng harn, left side of dash)
• S132
• S133
• S138
• S139
• S179
• S213
• Shift control 1
• Shift control 2
• Shift lock actuator, gem, clutch pedal position switch
• Side of eng compt)
• Sig rtn
• Ss1
• Ss2
• Tcc
• Tcil
• Tcs
• Tft
• Throttle position (tp) sensor (on throttle body)
• Torque converter clutch solenoid
• Tr1
• Tr2
• Tr3
• Tr4
• Transmission fluid temperature sensor
• Vpwr
• Vref
• Vss in

7.3L DIESEL

7.3L Diesel, A/T Wiring Diagram for Ford F450 Super Duty 1999

List of elements for 7.3L Diesel, A/T Wiring Diagram for Ford F450 Super Duty 1999:

• (engine harn, left side of dash)
• (engine harn, left side of engine compt)
• (in backup lamp harn) s139
• (left side of firewall) powertrain control module (pcm)
• (main harn, center of dash)
• (rear of engine compt) g123
• (under
• 4r100 transmission
• 4wd circuit
• 4wd low
• Accelerator position sensor (under left side of dash)
• Anti-lock brake system module
• Anti-lock brake system module (left front of engine compt)
• Aps
• Auxiliary powertrain control module
• Auxiliary powertrain control module, clutch pedal position switch, idle validation switch, overhead trip computer, instrument cluster
• Boo
• Brake pedal position switch (under left side of dash)
• C1027
• Ccs
• Center of dash) data link connector
• Coast clutch control
• Cruise control, body computer, instrument cluster
• Data
• Differential speed sensor (center of rear axle)
• Digital transmission range sensor (left side of transmission)
• Dlc (+)
• Dlc (-)
• Electronic pressure control solenoid
• Engine controls
• Epc
• Fuel heater, wastegate solenoid control
• Fuse 10a
• Fuse 30a
• Fuse 5a
• G104 (left rear of engine compt)
• Ground
• Hot at all times
• Hot in run or start
• Iat
• Intake air temperature sensor (on intake manifold)
• Junction box fuse/ relay panel (under left side of dash)
• Of dash)
• Oss
• Output shaft speed sensor (top of transmission)
• Overdrive cancel switch (end of transmission selector lever)
• Pcm power diode
• Pcm power relay
• Power distribution box (left side of engine compt)
• R p
• Red
• Red/ pnk
• Red/pnk
• S102
• S106
• S114
• S115 (engine harn, left side of dash)
• S123
• S138 (in back-up lamp harn)
• S179
• S213
• S219
• S221
• Shift control 1
• Shift control 2
• Shift lock actuator, gem, clutch pedal position switch
• Side dash) s222
• Side of eng compt)
• Sig rtn
• Ss1
• Ss2
• Tcc
• Tcil
• Tcs
• Tft
• Torque converter clutch solenoid
• Tr1
• Tr2
• Tr3
• Tr4
• Transmission fluid temperature sensor
• Tss
• Turbine shaft speed sensor (top of transmission)
• Vpwr
• Vref
• Vss in