TSB 89-08-12 Insulation Shrunk
Publication Date: APRIL 19, 1989
LIGHT TRUCK: 1987 BRONCO, F-150, F-250, F-350
ISSUE: Wire insulation may shrink away from terminals at three connectors of the 14290 wire harness. The 14290 wire harness is located on the left hand fender apron in the engine compartment. Shrinkage is caused by high ambient engine temperatures and grease filled connectors.
ACTION: Check for exposed wire at the terminals and wrap with electrical tape if required. Refer to the following service procedure.
SERVICE PROCEDURE
1. Check the wires where they exit the connectors and see if the insulation is present.
2. If the wires are exposed, remove the wires and terminals from the connector.
3. Wipe off the grease from the terminals.
4. Using air pressure, blow the remaining grease out of the connector.
CAUTION: DO NOT USE ANY DEGREASING SOLUTION BECAUSE IT COULD DAMAGE THE CONNECTOR.
5. Tightly apply electrical tape on the exposed wires.
6. Reinstall terminals in the connector.
OTHER APPLICABLE ARTICLES: NONE
OPERATION DESCRIPTION TIME
890812A Wrap Wires With Electrical Tape 0.5 Hr.
For other TSBs, check
here.
See also:
MotorCraft 2016 Wiring Pigtail Guide--------------------------------------------------------------------------------
TSB 98-24-06 New Electrical Terminal Grease Released for Service
Publication Date: NOVEMBER 25, 1998
FORD:
1981-1999 ESCORT
1983-1999 CROWN VICTORIA
1984-1988 EXP
1984-1994 TEMPO
1985-1999 TAURUS
1986-1997 PROBE
1988-1991 FESTIVA
1993-1999 MUSTANG
1994-1997 ASPIRE
1995-1999 CONTOUR
1996-1997 THUNDERBIRD
LINCOLN-MERCURY:
1983-1999 CONTINENTAL, GRAND MARQUIS
1984-1986 CAPRI
1984-1987 LN7
1984-1994 TOPAZ
1985-1999 SABLE
1988-1992 MARK VII
1991-1994 CAPRI
1993-1998 MARK VIII
1993-1999 TRACER
1995-1999 MYSTIQUE
1996-1997 COUGAR, TOWN CAR
1999 COUGAR
MERKUR:
1985-1988 XR4TI
1988 SCORPIO
LIGHT TRUCK:
1981-1996 BRONCO
1981-1997 F SUPER DUTY, F-250 HD, F-350
1981-1999 ECONOLINE, F-150, F-250 LD
1983-1999 RANGER
1984-1990 BRONCO II
1984-1997 AEROSTAR
1991-1999 EXPLORER
1993-1999 VILLAGER
1995-1999 WINDSTAR
1997-1999 EXPEDITION, MOUNTAINEER
1998-1999 NAVIGATOR
1999 SUPER DUTY F SERIES
MEDIUM/HEAVY TRUCK:
1984-1999 F & B SERIES
1988-1997 CARGO SERIES
1996-1998 AEROMAX, LOUISVILLE
ISSUE: Ford Motor Company has released a new
Electrical Grease (F8AZ-19G208-AA) to reduce the possibility of moisture corrosion at the terminals.

ACTION: Add the new grease during electrical connection repair.
CAUTION: ELECTRICAL CONNECTOR GREASE SHOULD NOT BE USED IN HIGH VOLTAGE CONNECTIONS FOR SPARK PLUG AND COIL WIRE APPLICATIONS.
PROPER USES OF THE NEW ELECTRICAL GREASE INCLUDE:
Electrical Connectors
Battery Connections
Light Sockets
Starter Terminals
DO NOT USE ON:
Spark Plug Wires
Coil Wires
Spark Plug-to-Coil Connections
Low Current Flow Switches (12V Systems less than 0.1 amp)