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Hydraulic Circuit Identification and Function

WARNING: This page is about a different car, the 2008 Mercury Sable, 2008 Ford Taurus X, and 2008 Ford Taurus. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Hydraulic Circuit Identification and Function
GF0043952Courtesy of FORD MOTOR CO.
SOLENOID BODY HYDRAULIC CIRCUIT IDENTIFICATION CHART

Circuit Name Color Description
SOL FEED Pink Regulated pressure from the solenoid regulator valve that supplies the shift, Torque Converter Clutch (TCC) and Line Pressure Control (LPC) solenoids, multiplex manual valve and the direct (3, 5, R) clutch regulator valve.
SSA SIG Green Pressure supplied to the forward (1, 2, 3, 4) clutch regulator and boost valves from Shift Solenoid A (SSA) to direct regulated pressure to the forward clutch in 1st, 2nd, 3rd or 4th gear.
SSB SIG Green Pressure supplied to the direct (3, 5, R) clutch regulator and boost valves from Shift Solenoid B (SSB) to direct regulated pressure to the direct clutch in 3rd and 5th gear and REVERSE.
SSC SIG Green Pressure supplied to the intermediate (2, 6) clutch regulator and boost valves from Shift Solenoid C (SSC) to direct regulated pressure to the intermediate clutch in 2nd and 6th gear.
SSD SIG Green Pressure supplied to the low/reverse/overdrive (4, 5, 6) regulator and boost valves from Shift Solenoid D (SSD) to direct regulated pressure to the multiplex shift valve in LOW or REVERSE position or 4th, 5th and 6th gear.
SSE Green Full solenoid pressure from Shift Solenoid E (SSE) to the TCC regulator valve and multiplex shift valve.
TCC SOL SIG Green Full or regulated pressure from the TCC solenoid to the TCC regulator and control valves.
LPC Green/White Full or regulated pressure from the LPC solenoid to the pressure regulator valve.
Fig 2: Identifying Solenoid Body Hydraulic Passages
GF0043953Courtesy of FORD MOTOR CO.
COVER PLATE HYDRAULIC CIRCUIT IDENTIFICATION CHART

Circuit Name Color Description
SOL FEED Pink Regulated pressure from the solenoid regulator valve that supplies the shift, Torque Converter Clutch (TCC) and Line Pressure Control (LPC) solenoids, multiplex manual valve and the direct (3, 5, R) clutch regulator valve.
SSA SIG Green Pressure supplied to the forward (1, 2, 3, 4) clutch regulator and boost valves from Shift Solenoid A (SSA) to direct regulated pressure to the forward clutch in 1st, 2nd, 3rd or 4th gear.
SSB SIG Green Pressure supplied to the direct (3, 5, R) clutch regulator and boost valves from Shift Solenoid B (SSB) to direct regulated pressure to the direct clutch in 3rd and 5th gear and REVERSE.
SSC SIG Green Pressure supplied to the intermediate (2, 6) clutch regulator and boost valves from Shift Solenoid C (SSC) to direct regulated pressure to the intermediate clutch in 2nd and 6th gear.
SSD SIG Green Pressure supplied to the low/reverse/overdrive (4, 5, 6) regulator and boost valves from SSD to direct regulated pressure to the multiplex shift valve in LOW or REVERSE position or 4th, 5th and 6th gear.
SSE Green Full solenoid pressure from Shift Solenoid E (SSE) to the TCC regulator valve and multiplex shift valve.
TCC SOL SIG Green Full or regulated pressure from the TCC solenoid to the TCC regulator and control valves.
LPC Green/White Full or regulated pressure from theLPC solenoid to the pressure regulator valve.
EXH - Fluid exhausted from the valves that drains to the sump area.
LINE Red Line pressure from the pump to the manual valve, solenoid regulator valve, fluid temperature sensor, low/reverse/overdrive (4, 5, 6) regulator valve, COMP FEED circuit and EXH BF circuit.
Fig 3: Identifying Cover Plate Hydraulic Passages
GF0043954Courtesy of FORD MOTOR CO.
TRANSFER PLATE HYDRAULIC CIRCUIT IDENTIFICATION CHART (TOP SIDE)

Circuit Name Color Description
CBLR/C456 SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve to the multiplex shift valve assembly. The multiplex shift valve directs it to the Overdrive (O/D) clutch or the low/reverse clutch, depending on what position it is in.
EXH - Fluid exhausted from the valves that drains to the sump area.
LINE Red Line pressure from the pump to the manual valve, solenoid regulator valve, fluid temperature sensor, low/reverse/overdrive (4, 5, 6) regulator valve, COMP FEED circuit and EXH BF circuit.
LPC Green/White Full or regulated pressure from the Line Pressure Control (LPC) solenoid to the pressure regulator valve.
SOL FEED Pink Regulated pressure from the solenoid regulator valve that supplies the shift, Torque Converter Clutch (TCC) and LPC solenoids, multiplex manual valve and the direct (3, 5, R) clutch regulator valve.
SSA SIG Green Pressure supplied to the forward (1, 2, 3, 4) clutch regulator and boost valves from Shift Solenoid A (SSA) to direct regulated pressure to the forward clutch in 1st, 2nd, 3rd or 4th gear.
SSB SIG Green Pressure supplied to the direct (3, 5, R) clutch regulator and boost valves from Shift Solenoid B (SSB) to direct regulated pressure to the direct clutch in 3rd and 5th gear and REVERSE.
SSC SIG Green Pressure supplied to the intermediate (2, 6) clutch regulator and boost valves from Shift Solenoid C (SSC) to direct regulated pressure to the intermediate clutch in 2nd and 6th gear.
SSD SIG Green Pressure supplied to the low/reverse/overdrive (4, 5, 6) regulator and boost valves from Shift Solenoid D (SSD) to direct regulated pressure to the multiplex shift valve in LOW or REVERSE position or 4th, 5th and 6th gear.
SSE Green Full solenoid pressure from Shift Solenoid E (SSE) to the TCC regulator valve and multiplex shift valve.
TCC SOL SIG Green Full or regulated pressure from the TCC solenoid to the TCC regulator and control valves.
VALVE LATCH Brown/White Pressure supplied to the multiplex shift valve from the low/reverse/overdrive (4, 5, 6) regulator valve or the C456/C456 SUPPLY circuit to latch the valve.
Fig 4: Identifying Transfer Plate Hydraulic Passages
GF0043955Courtesy of FORD MOTOR CO.
TRANSFER PLATE HYDRAULIC CIRCUIT IDENTIFICATION CHART (BOTTOM SIDE)

Circuit Name Color Description
CB26FD/CB1234FD Blue DRIVE 2 or DRIVE B pressure directed to the CB26 and CB1234 regulator valves by the DRIVE 2/DRIVE B shuttle ball.
C35R Blue/White Regulated C35R SUPPLY pressure from the direct (3, 5, R) regulator valve that supplies the direct (3, 5, R) clutch.
C35R SUPPLY Blue DRIVE 2 or REV SUPPLY pressure directed to the 3, 5, R clutch regulator valve by the DRIVE 2/REV SUPPLY shuttle ball.
C456/C456 SUPPLY Blue/White Regulated clutch pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the overdrive (4, 5, 6) clutch in 4th, 5th, and 6th gear.
CB26 Blue/White Regulated pressure supplied to the intermediate (2, 6) clutch in 2nd and 6th gear.
CBLR/C456 SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve to the multiplex shift valve assembly. The multiplex shift valve directs it to the overdrive clutch or the low/reverse clutch depending on what position it is in.
COMP FEED Violet/White Compensator feed pressure applied to the back side of clutches to keep the clutches from centrifugally applying.
CONV FD Brown Pressure from the pressure regulator valve to the Torque Converter Clutch (TCC) control valve, which supplies the valve to apply and release the TCC.
COOLER FEED Orange/White Pressure supplied to the transmission fluid cooler from the TCC control valve and feeds the LUBE circuit.
DRIVE 1 Blue Line pressure directed to the multiplex shift valve by the manual valve in DRIVE and LOW.
DRIVE 2 Blue DRIVE 1 pressure from the multiplex shift valve to the TCC regulator apply valve, DRIVE 2/DRIVE B shuttle ball, DRIVE 2/REV SUPPLY shuttle ball and CBLR/C456 regulator valve.
EXH - Fluid exhausted from the valves that drains to the sump area.
EXH BF Red/White Fills the forward (1, 2, 3, 4), intermediate (2, 6) and low/reverse/overdrive (4, 5, 6) regulator valves and the multiplex shift and manual valves with fluid (no pressure).
LINE Red Line pressure from the pump to the manual valve, solenoid regulator valve, fluid temperature sensor, low/reverse/overdrive (4, 5, 6) regulator valve, COMP FEED circuit and EXH BF circuit.
LPC Green/White Full or regulated pressure from the Line Pressure Control (LPC) solenoid to the pressure regulator valve.
REG APPLY Blue/White Regulated DRIVE 2 pressure from the TCC regulator apply valve supplied to the TCC control valve to apply the TCC.
REV/REV SUPPLY Violet Pressure supplied to the multiplex shift valve assembly and the direct (3, 5, R) clutch regulator valve from the manual valve in REVERSE only.
SOL FEED Pink Regulated pressure from the solenoid regulator valve that supplies the shift, TCC and LPC solenoids, multiplex manual valve and the direct (3, 5, R) clutch regulator valve.
SSA SIG Green Pressure supplied to the forward (1, 2, 3, 4) clutch regulator and boost valves from Shift Solenoid A (SSA) to direct regulated pressure to the forward clutch in 1st, 2nd, 3rd or 4th gear.
SSB SIG Green Pressure supplied to the direct (3, 5, R) clutch regulator and boost valves from Shift Solenoid B (SSB) to direct regulated pressure to the direct clutch in 3rd and 5th gear and REVERSE.
SSC SIG Green Pressure supplied to the intermediate (2, 6) clutch regulator and boost valves from Shift Solenoid C (SSC) to direct regulated pressure to the intermediate clutch in 2nd and 6th gear.
SSD SIG Green Pressure supplied to the low/reverse/overdrive (4, 5, 6) regulator and boost valves from Shift Solenoid D (SSD) to direct regulated pressure to the multiplex shift valve in LOW or REVERSE position or 4th, 5th and 6th gear.
SSE Green Full solenoid pressure from Shift Solenoid E (SSE) to the TCC regulator valve and multiplex shift valve.
TCC SOL SIG Green Full or regulated pressure from the TCC solenoid to the TCC regulator and control valves.
VALVE LATCH Brown/White Pressure supplied to the multiplex shift valve from the low/reverse/overdrive (4, 5, 6) regulator valve or the C456/C456 SUPPLY circuit to latch the valve.
Fig 5: Identifying Transfer Plate Hydraulic Passages
GF0043956Courtesy of FORD MOTOR CO.
CENTER SPACER PLATE HYDRAULIC CIRCUIT IDENTIFICATION CHART

Circuit Name Color Description
CB26FD/CB1234FD Blue DRIVE 2 or DRIVE B pressure directed to the CB26 and CB1234 regulator valves by the DRIVE 2/DRIVE B shuttle ball.
C35R Blue/White Regulated C35R SUPPLY pressure from the direct (3, 5, R) regulator valve that supplies the direct clutch.
C35R SUPPLY Blue DRIVE 2 or REV SUPPLY pressure directed to the 3, 5, R clutch regulator valve by the DRIVE 2/REV SUPPLY shuttle ball.
C456/C456 SUPPLY Blue/White Regulated clutch pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the overdrive (4, 5, 6) clutch in 4th, 5th, and 6th gear.
CB26 Blue/White Regulated pressure supplied to the intermediate (2, 6) clutch in 2nd and 6th gear.
CBLR/C456 SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve to the multiplex shift valve assembly. The multiplex shift valve directs it to the overdrive clutch or the low/reverse clutch depending on what position it is in.
COMP FEED Violet/White Compensator feed pressure applied to the back side of clutches to keep the clutches from centrifugally applying.
CONV FD Brown Pressure from the pressure regulator valve to the Torque Converter Clutch (TCC) control valve which supplies the valve to apply and release the TCC.
COOLER FEED Orange/White Pressure supplied to the transmission fluid cooler from the TCC control valve and feeds the LUBE circuit.
DRIVE 1 Blue Line pressure directed to the multiplex shift valve by the manual valve in DRIVE and LOW.
DRIVE 2 Blue DRIVE 1 pressure from the multiplex shift valve to the TCC regulator apply valve, DRIVE 2/DRIVE B shuttle ball, DRIVE 2/REV SUPPLY shuttle ball and CBLR/C456 regulator valve.
EXH - Fluid exhausted from the valves that drains to the sump area.
EXH BF Red/White Fills the forward (1, 2, 3, 4), intermediate (2, 6) and low/reverse/overdrive (4, 5, 6) regulator valves and the multiplex shift and manual valves with fluid (no pressure).
LINE Red Line pressure from the pump to the manual valve, solenoid regulator valve, fluid temperature sensor, low/reverse/overdrive (4, 5, 6) regulator valve, COMP FEED circuit and EXH BF circuit.
LPC Green/White Full or regulated pressure from the Line Pressure Control (LPC) solenoid to the pressure regulator valve.
REG APPLY Blue/White Regulated DRIVE 2 pressure from the TCC regulator apply valve supplied to the TCC control valve to apply the TCC.
REV/REV SUPPLY Violet Pressure supplied to the multiplex shift valve assembly and the direct (3, 5, R) clutch regulator valve from the manual valve in REVERSE only.
SOL FEED Pink Regulated pressure from the solenoid regulator valve that supplies the shift, TCC and LPC solenoids, multiplex manual valve and the direct (3, 5, R) clutch regulator valve.
SSA SIG Green Pressure supplied to the forward (1, 2, 3, 4) clutch regulator and boost valves from Shift Solenoid A (SSA) to direct regulated pressure to the forward clutch in 1st, 2nd, 3rd or 4th gear.
SSB SIG Green Pressure supplied to the direct (3, 5, R) clutch regulator and boost valves from Shift Solenoid B (SSB) to direct regulated pressure to the direct clutch in 3rd and 5th gear and REVERSE.
SSC SIG Green Pressure supplied to the intermediate (2, 6) clutch regulator and boost valves Shift Solenoid C (SSC) to direct regulated pressure to the intermediate clutch in 2nd and 6th gear.
SSD SIG Green Pressure supplied to the low/reverse/overdrive (4, 5, 6) regulator and boost valves from Shift Solenoid D (SSD) to direct regulated pressure to the multiplex shift valve in LOW or REVERSE position or 4th, 5th and 6th gear.
SSE Green Full solenoid pressure from Shift Solenoid E (SSE) to the TCC regulator valve and multiplex shift valve.
TCC SOL SIG Green Full or regulated pressure from the TCC solenoid to the TCC regulator and control valves.
VALVE LATCH Brown/White Pressure supplied to the multiplex shift valve from the low/reverse/overdrive (4, 5, 6) regulator valve or the C456/C456 SUPPLY circuit to latch the valve.
Fig 6: Identifying Center Spacer Plate Hydraulic Passages
GF0043957Courtesy of FORD MOTOR CO.
VALVE BODY HYDRAULIC CIRCUIT IDENTIFICATION CHART (TOP SIDE)

Circuit Name Color Description
CB26FD/CB1234FD Blue DRIVE 2 or DRIVE B pressure directed to the CB26 and CB1234 regulator valves by the DRIVE 2/DRIVE B shuttle ball.
C35R Blue/White Regulated C35R SUPPLY pressure from the direct (3, 5, R) regulator valve that supplies the direct clutch.
C35R SUPPLY Blue DRIVE 2 or REV SUPPLY pressure directed to the 3, 5, R clutch regulator valve by the DRIVE 2/REV SUPPLY shuttle ball.
C456/C456 SUPPLY Blue/White Regulated clutch pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the overdrive (4, 5, 6) clutch in 4th, 5th, and 6th gear.
CB26 Blue/White Regulated pressure supplied to the intermediate (2, 6) clutch in 2nd and 6th gear.
CBLR/C456 SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve to the multiplex shift valve assembly. The multiplex shift valve directs it to the overdrive clutch or the low/reverse clutch depending on what position it is in.
CBLR/CBLR SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the low/reverse clutch by the multiplex shift valve in LOW and REVERSE.
COMP FEED Violet/White Compensator feed pressure applied to the back side of clutches to keep the clutches from centrifugally applying.
CONV FD Brown Pressure from the pressure regulator valve to the Torque Converter Clutch (TCC) control valve which supplies the valve to apply and release the TCC.
COOLER FEED Orange/White Pressure supplied to the transmission fluid cooler from the TCC control valve and feeds the LUBE circuit.
DECREASE Orange Pressure from the pressure regulator valve to the pump that raises and lowers the line pressure.
DRIVE B Blue REV DRIVE B pressure directed to the DRIVE 2/DRIVE B shuttle ball by the multiplex manual valve.
DRIVE 1 Blue Line pressure directed to the multiplex shift valve by the manual valve in DRIVE and LOW.
DRIVE 2 Blue DRIVE 1 pressure from the multiplex shift valve to the TCC regulator apply valve, DRIVE 2/DRIVE B shuttle ball, DRIVE 2/REV SUPPLY shuttle ball and CBLR/C456 regulator valve.
EXH - Fluid exhausted from the valves that drains to the sump area.
EXH BF Red/White Fills the forward (1, 2, 3, 4), intermediate (2, 6) and low/reverse/overdrive (4, 5, 6) regulator valves and the multiplex shift and manual valves with fluid (no pressure).
LINE Red Line pressure from the pump to the manual valve, solenoid regulator valve, fluid temperature sensor, low/reverse/overdrive (4, 5, 6) regulator valve, COMP FEED circuit and EXH BF circuit.
LPC Green/White Full or regulated pressure from the Line Pressure Control (LPC) solenoid to the pressure regulator valve.
REG APPLY Blue/White Regulated DRIVE 2 pressure from the TCC regulator apply valve supplied to the TCC control valve to apply the TCC.
REV DRIVE B Blue DRIVE 1 pressure directed to the multiplex manual valve by the multiplex shift valve.
REV/REV SUPPLY Violet Pressure supplied to the multiplex shift valve assembly and the direct (3, 5, R) clutch regulator valve from the manual valve in REVERSE only.
SOL FEED Pink Regulated pressure from the solenoid regulator valve that supplies the shift, TCC and LPC solenoids, multiplex manual valve and the direct (3, 5, R) clutch regulator valve.
SSA SIG Green Pressure supplied to the forward (1, 2, 3, 4) clutch regulator and boost valves from Shift Solenoid A (SSA) to direct regulated pressure to the forward clutch in 1st, 2nd, 3rd or 4th gear.
SSB SIG Green Pressure supplied to the direct (3, 5, R) clutch regulator and boost valves from Shift Solenoid B (SSB) to direct regulated pressure to the direct clutch in 3rd and 5th gear and REVERSE.
SSC SIG Green Pressure supplied to the intermediate (2, 6) clutch regulator and boost valves from Shift Solenoid C (SSC) to direct regulated pressure to the intermediate clutch in 2nd and 6th gear.
SSD SIG Green Pressure supplied to the low/reverse/overdrive (4, 5, 6) regulator and boost valves from Shift Solenoid D (SSD) to direct regulated pressure to the multiplex shift valve in LOW or REVERSE position or 4th, 5th and 6th gear.
SSE Green Full solenoid pressure from Shift Solenoid E (SSE) to the TCC regulator valve and multiplex shift valve.
TCC APPLY Yellow Pressure supplied to the torque converter from the TCC control valve to apply the TCC.
TCC RELEASE Yellow/Grey Pressure supplied to the torque converter from the TCC control valve to release the TCC.
TCC SOL SIG Green Full or regulated pressure from the TCC solenoid to the TCC regulator and control valves.
VALVE LATCH Brown/White Pressure supplied to the multiplex shift valve from the low/reverse/overdrive (4, 5, 6) regulator valve or the C456/C456 SUPPLY circuit to latch the valve.
Fig 7: Identifying Valve Body Hydraulic Passages
GF0043958Courtesy of FORD MOTOR CO.
VALVE BODY HYDRAULIC CIRCUIT IDENTIFICATION CHART (BOTTOM SIDE)

Circuit Name Color Description
CB1234 SUP Blue CB26FD/CB1234FD pressure supplied to the CB1234 regulator valve downstream of the CB26FD/CB1234FD check ball.
C35R Blue/White Regulated C35R SUPPLY pressure from the direct (3, 5, R) regulator valve that supplies the direct clutch.
C35R SUPPLY Blue DRIVE 2 or REV SUPPLY pressure directed to the 3, 5, R clutch regulator valve by the DRIVE 2/REV SUPPLY shuttle ball.
C456/C456 SUPPLY Blue/White Regulated clutch pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the overdrive (4, 5, 6) clutch in 4th, 5th, and 6th gear.
CB26 Blue/White Regulated pressure supplied to the intermediate (2, 6) clutch in 2nd and 6th gear.
CBLR/C456 SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve to the multiplex shift valve assembly. The multiplex shift valve directs it to the overdrive clutch or the low/reverse clutch depending on what position it is in.
CBLR/CBLR SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the low/reverse clutch by the multiplex shift valve in LOW and REVERSE.
COOLER FEED Orange/White Pressure supplied to the transmission fluid cooler from the Torque Converter Clutch (TCC) control valve and feeds the LUBE circuit.
DECREASE Orange Pressure from the pressure regulator valve to the pump that raises and lowers the line pressure.
DRIVE B Blue REV DRIVE B pressure directed to the DRIVE 2/DRIVE B shuttle ball by the multiplex manual valve.
DRIVE 1 Blue Line pressure directed to the multiplex shift valve by the manual valve in DRIVE and LOW.
EXH - Fluid exhausted from the valves that drains to the sump area.
EXH BF Red/White Fills the forward (1, 2, 3, 4), intermediate (2, 6) and low/reverse/overdrive (4, 5, 6) regulator valves and the multiplex shift and manual valves with fluid (no pressure).
LINE Red Line pressure from the pump to the manual valve, solenoid regulator valve, fluid temperature sensor, low/reverse/overdrive (4, 5, 6) regulator valve, COMP FEED circuit and EXH BF circuit.
REV/REV SUPPLY Violet Pressure supplied to the multiplex shift valve assembly and the direct (3, 5, R) clutch regulator valve from the manual valve in REVERSE only.
SOL FEED Pink Regulated pressure from the solenoid regulator valve that supplies the shift, TCC and Line Pressure Control (LPC) solenoids, multiplex manual valve and the direct (3, 5, R) clutch regulator valve.
SSA SIG Green Pressure supplied to the forward (1, 2, 3, 4) clutch regulator and boost valves from Shift Solenoid A (SSA) to direct regulated pressure to the forward clutch in 1st, 2nd, 3rd or 4th gear.
SSB SIG Green Pressure supplied to the direct (3, 5, R) clutch regulator and boost valves from Shift Solenoid B (SSB) to direct regulated pressure to the direct clutch in 3rd and 5th gear and REVERSE.
SSD SIG Green Pressure supplied to the low/reverse/overdrive (4, 5, 6) regulator and boost valves from Shift Solenoid D (SSD) to direct regulated pressure to the multiplex shift valve in LOW or REVERSE position or 4th, 5th and 6th gear.
TCC APPLY Yellow Pressure supplied to the torque converter from the TCC control valve to apply the TCC.
TCC RELEASE Yellow/Grey Pressure supplied to the torque converter from the TCC control valve to release the TCC.
VALVE LATCH Brown/White Pressure supplied to the multiplex shift valve from the low/reverse/overdrive (4, 5, 6) regulator valve or the C456/C456 SUPPLY circuit to latch the valve.
Fig 8: Identifying Valve Body Hydraulic Passages
GF0043959Courtesy of FORD MOTOR CO.
LOWER SPACER PLATE HYDRAULIC CIRCUIT IDENTIFICATION CHART

Circuit Name Color Description
CB1234 SUP Blue CB26FD/CB1234FD pressure supplied to the CB1234 regulator valve downstream of the CB26FD/CB1234FD check ball.
C35R Blue/White Regulated C35R SUPPLY pressure from the direct (3, 5, R) regulator valve that supplies the direct clutch.
C456/C456 SUPPLY Blue/White Regulated clutch pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the overdrive (4, 5, 6) clutch in 4th, 5th, and 6th gear.
CBLR/C456 SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve to the multiplex shift valve assembly. The multiplex shift valve directs it to the overdrive clutch or the low/reverse clutch depending on what position it is in.
CBLR/CBLR SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the low/reverse clutch by the multiplex shift valve in LOW and REVERSE.
CB26 Blue/White Regulated pressure supplied to the intermediate (2, 6) clutch in 2nd and 6th gear.
COMP FEED Violet/White Compensator feed pressure applied to the back side of clutches to keep the clutches from centrifugally applying.
COOLER FEED Orange/White Pressure supplied to the transmission fluid cooler from the Torque Converter Clutch (TCC) control valve and feeds the LUBE circuit.
DECREASE Orange Pressure from the pressure regulator valve to the pump that raises and lowers the line pressure.
EXH - Fluid exhausted from the valves that drains to the sump area.
EXH BF Red/White Fills the forward (1, 2, 3, 4), intermediate (2, 6) and low/reverse/overdrive (4, 5, 6) regulator valves and the multiplex shift and manual valves with fluid (no pressure).
LINE Red Line pressure from the pump to the manual valve, solenoid regulator valve, fluid temperature sensor, low/reverse/overdrive (4, 5, 6) regulator valve, COMP FEED circuit and EXH BF circuit.
SOL FEED Pink Regulated pressure from the solenoid regulator valve that supplies the shift, TCC and Line Pressure Control (LPC) solenoids, multiplex manual valve and the direct (3, 5, R) clutch regulator valve.
SSA SIG Green Pressure supplied to the forward (1, 2, 3, 4) clutch regulator and boost valves from Shift Solenoid A (SSA) to direct regulated pressure to the forward clutch in 1st, 2nd, 3rd or 4th gear.
SSB SIG Green Pressure supplied to the direct (3, 5, R) clutch regulator and boost valves from Shift Solenoid B (SSB) to direct regulated pressure to the direct clutch in 3rd and 5th gear and REVERSE.
SSD SIG Green Pressure supplied to the low/reverse/overdrive (4, 5, 6) regulator and boost valves from Shift Solenoid D (SSD) to direct regulated pressure to the multiplex shift valve in LOW or REVERSE position or 4th, 5th and 6th gear.
TCC APPLY Yellow Pressure supplied to the torque converter from the TCC control valve to apply the TCC.
TCC RELEASE Yellow/Grey Pressure supplied to the torque converter from the TCC control valve to release the TCC.
Fig 9: Identifying Lower Spacer Plate Hydraulic Passages
GF0043960Courtesy of FORD MOTOR CO.
LOWER VALVE BODY HYDRAULIC CIRCUIT IDENTIFICATION CHART

Circuit Name Color Description
CB1234 SUP Blue CB26FD/CB1234FD pressure supplied to the CB1234 regulator valve downstream of the CB26FD/CB1234FD check ball.
C35R Blue/White Regulated C35R SUPPLY pressure from the direct (3, 5, R) regulator valve that supplies the direct clutch.
C456/C456 SUPPLY Blue/White Regulated clutch pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the overdrive (4, 5, 6) clutch in 4th, 5th, and 6th gear.
CB1234 Blue/White Regulated pressure from the forward (1, 2, 3, 4) clutch regulator valve to the forward clutch.
CBLR/C456 SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve to the multiplex shift valve assembly. The multiplex shift valve directs it to the overdrive clutch or the low/reverse clutch, depending on what position it is in.
CBLR/CBLR SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the low/reverse clutch by the multiplex shift valve in LOW and REVERSE.
EXH - Fluid exhausted from the valves that drains to the sump area.
EXH BF Red/White Fills the forward (1, 2, 3, 4), intermediate (2, 6) and low/reverse/overdrive (4, 5, 6) regulator valves and the multiplex shift and manual valves with fluid (no pressure).
LINE Red Line pressure from the pump to the manual valve, solenoid regulator valve, fluid temperature sensor, low/reverse/overdrive (4, 5, 6) regulator valve, COMP FEED circuit and EXH BF circuit.
SOL FEED Pink Regulated pressure from the solenoid regulator valve that supplies the shift, Torque Converter Clutch (TCC) and Line Pressure Control (LPC) solenoids, multiplex manual valve and the direct (3, 5, R) clutch regulator valve.
SSA SIG Green Pressure supplied to the forward (1, 2, 3, 4) clutch regulator valve from Shift Solenoid A (SSA) to direct regulated pressure to the forward clutch in 1st, 2nd, 3rd or 4th gear.
SSB SIG Green Pressure supplied to the direct (3, 5, R) clutch regulator valve from Shift Solenoid B (SSB) to direct regulated pressure to the direct clutch in 3rd and 5th gear and REVERSE.
SSD SIG Green Pressure supplied to the low/reverse/overdrive (4, 5, 6) regulator valve from Shift Solenoid D (SSD) to direct regulated pressure to the multiplex shift valve in LOW or REVERSE position or 4th, 5th and 6th gear.
Fig 10: Identifying Lower Valve Body Hydraulic Passages
GF0043961Courtesy of FORD MOTOR CO.
TRANSAXLE CASE HYDRAULIC CIRCUIT IDENTIFICATION CHART

Circuit Name Color Description
C35R Blue/White Regulated C35R SUPPLY pressure from the direct (3, 5, R) regulator valve that supplies the direct clutch.
C456/C456 SUPPLY Blue/White Regulated clutch pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the overdrive (4, 5, 6) clutch in 4th, 5th, and 6th gear.
CB1234 Blue/White Regulated pressure from the forward (1, 2, 3, 4) clutch regulator valve to the forward clutch.
CB26 Blue/White Regulated pressure supplied to the intermediate (2, 6) clutch in 2nd and 6th gear.
CBLR/CBLR SUPPLY Blue/White Regulated pressure from the low/reverse/overdrive (4, 5, 6) regulator valve directed to the low/reverse clutch by the multiplex shift valve in LOW and REVERSE.
COMP FEED Violet/White Compensator feed pressure applied to the back side of clutches to keep the clutches from centrifugally applying.
COOLER FEED Orange/White Pressure supplied to the transmission fluid cooler from the Torque Converter Clutch (TCC) control valve and feeds the LUBE circuit.
DECREASE Orange Pressure from the pressure regulator valve to the pump that raises and lowers the line pressure.
EXH - Fluid exhausted from the valves that drains to the sump area.
LINE Red Line pressure from the pump to the manual valve, solenoid regulator valve, fluid temperature sensor, low/reverse/overdrive (4, 5, 6) regulator valve, COMP FEED circuit and EXH BF circuit.
TCC APPLY Yellow Pressure supplied to the torque converter from the TCC control valve to apply the TCC.
TCC RELEASE Yellow/Grey Pressure supplied to the torque converter from the TCC control valve to release the TCC.
Fig 11: Identifying Transaxle Case Hydraulic Passages
GF0043962Courtesy of FORD MOTOR CO.
PUMP HYDRAULIC CIRCUIT IDENTIFICATION CHART

Circuit Name Color Description
DECREASE Orange Pressure from the pressure regulator valve to the pump that raises and lowers pump output.
LINE Red Line pressure from the pump to the manual valve, solenoid regulator valve, fluid temperature sensor, low/reverse/overdrive (4, 5, 6) regulator valve, COMP FEED circuit and EXH BF circuit.
Fig 12: Identifying Pump Hydraulic Passages
GF0043963Courtesy of FORD MOTOR CO.
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