Grand Marquis V8-281 4.6L SOHC (1992)
Fuel Gauge: All Technical Service Bulletins
Electronic Fuel Gage - Erratic Operation
Article No.
92-21-5
October 7, 1992
FUEL GAUGE - ELECTRONIC - IRREGULAR OPERATION OR DISPLAY - VEHICLES BUILT PRIOR TO 03/01/92
FORD:
1992 CROWN VICTORIA
LINCOLN-MERCURY:
1992 GRAND MARQUIS
ISSUE:
Irregular operation of the Electronic Instrument Cluster fuel gauge may be caused by differences in the ground signals at the fuel gauge and fuel sender.
Differences may occur because the instrument cluster ground is not common with the fuel sender ground and may exhibit the following conditions:
^
Irregular fuel level display
^
Top and bottom bars illuminate on the fuel gauge with "CO" displayed on the message center.
^
Irregular "DTE" (Distance To Empty) indications on the message center
ACTION:
Remove the fuel sender ground from splice S201. Relocate the fuel sender ground directly to ground G400 below the trunk latch striker. Refer to the
following procedure for service details.
SERVICE PROCEDURE
1.
Open the trunk and remove spare tire.
2.
Pull trunk carpet rearward from the trunk shelf directly below the spare tire storage location.
3.
Locate the fuel sender wire harness in the trunk (refer to Figure 1). The fuel sender harness consists of a yellow wire, a pink/black wire, a thick
black wire and a thin black wire.
