Ford 2003 Mustang Workshop Manual page 3669

Is the resistance less than 5 ohms?
A3 CHECK THE SEAT REGULATOR CONTROL SWITCH
Carry out the seat regulator control switch component
test. Refer to Wiring Diagrams.
Did the seat regulator control switch pass?
PINPOINT TEST B: THE POWER SEAT DOES NOT MOVE
VERTICALLY — FRONT
B1 CHECK THE MOTOR SUPPLY CIRCUITS
Disconnect: Front Height Motor C382.
NOTE: Make sure all connectors are connected on the seat.
Measure the resistance between front height motor C382, Circuit
979 (RD/LB), harness side and ground and between front height
motor C382, Circuit 990 (YE/LB), harness side and ground.
Are the resistances less than 5 ohms?
B2 CHECK CIRCUIT 979 (RD/LB) AND 990 (YE/LB) FOR AN OPEN
Disconnect: Seat Regulator Control Switch C360.
Measure the resistance between front height motor C382, Circuit
979 (RD/LB), harness side and seat regulator control switch C360-7,
Test Step
Yes
CHECK for obstructed or binding
seat track. If no obstructions are
found, INSTALL a new seat
track. REFER to Seat Track
TEST the system for normal
operation.
No
INSTALL a new seat regulator
control switch. REFER to
Switch—Seat Regulator Control
TEST the system for normal
operation.
Result / Action to
Take
Yes
GO to B3
No
GO to B2
Yes
INSTALL a new
seat regulator
.
.
.
.