Electrical Systems - Multiple Malfunctions

Article No.
92-22-5

10/21/92

^ BRAKES - REAR ANTI-LOCK BRAKE SYSTEM ELECTRONICS INOPERATIVE - VEHICLES WITH E40D TRANSMISSION

^ INSTRUMENT CLUSTER - LOSS OF INSTRUMENTATION GAUGES - VEHICLES WITH E40D TRANSMISSION

^ LAMP - TRANSMISSION CONTROL LIGHT CYCLES ON/OFF OR CONTROL SWITCH INOPERATIVE - VEHICLES WITH E40D TRANSMISSION

^ WIRING - E40D TRANSMISSION CONTROL SWITCH - SHORTS IN STEERING COLUMN AND BLOWS # 17 FUSE

^ TRANSMISSION - E40D - CONTROL SWITCH WIRING SHORTS IN STEERING COLUMN AND BLOWS # 17 FUSE

^ TRANSMISSION - E40D - EARLY SHIFTS, LOSS OF POWER, POOR ACCELERATION AND 3-4 SHIFT CYCLING

LIGHT TRUCK:
1992 BRONCO, F SUPER DUTY, F-150-350 SERIES

ISSUE:
The transmission control switch wiring may be misrouted causing a short in the steering column and a blown # 17 fuse. The following symptoms may be associated with this concern.

^ Early shifts

^ Loss of power

^ Poor acceleration

^ 3-4 shift cycling

Transmission control light cycling ON/OFF or inoperative

^ Transmission control switch inoperative

^ Rear Anti-Lock Brake System (RABS) electronics (dash lights on, etc.) inoperative

^ Loss of instrumentation (tach, fuel gauge, etc.)

^ Unable to read Self-Test codes (solid tone only)

ACTION:
Inspect the transmission control switch wiring for damage and repair or replace as necessary. Refer to the following procedure for service details.

1. Remove the steering column cover. Refer to the 1992 Bronco/F-Series Service Manual, Section 11-04B, for the removal procedure.





2. Examine the transmission control switch wiring for damage, Figure 1.

3. Repair or replace the wiring as necessary.

4. Install the steering column cover. Refer to the 1992 Bronco/F-Series Service Manual, Section 11-04B, for the installation procedure.

CAUTION:
DURING REASSEMBLY, ROUTE WIRING AWAY FROM ATTACHING SCREW SO AS NOT TO PINCH OR DAMAGE WIRE.

OTHER APPLICABLE ARTICLES:
NONE





Part Number/Name

WARRANTY STATUS:
Eligible Under Bumper To Bumper Warranty Coverage

OPERATION DESCRIPTION TIME
922205A Repair Wiring 0.6 Hrs.

DEALER CODING
BASIC PART NO. CONDITION CODE
15A808 X1

OASIS CODES:
201200, 203200, 204000, 206000, 301000, 501000, 503300, 504000, 614000, 614600