Grand Marquis V8-302 5.0L VIN F TBI (1984)
Ignition Switch: All Technical Service Bulletins
Instrument Cluster Warning Lights - Dimly Lit
Article No.
93-24-10
11/24/93
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LAMP - MALFUNCTION OF FOUR PIN LOW OIL LEVEL RELAY - VEHICLES BUILT AFTER 8/1/92 OR 1983-1993 VEHICLES THAT
HAVE HAD SERVICE REPLACEMENT IGNITION SWITCHES AFTER 8/1/92
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LAMPS - INSTRUMENT CLUSTER WARNING LIGHTS DIMLY LIT - VEHICLES BUILT AFTER 8/1/92 OR 1983-1993 VEHICLES THAT
HAVE HAD SERVICE REPLACEMENT IGNITION SWITCHES AFTER 8/1/92
FORD:
1983 FAIRMONT
1983-89 CROWN VICTORIA, ESCORT
1983-93 MUSTANG, THUNDERBIRD
1983-94 PROBE
1984-86 LTD
1984-94 TEMPO
LINCOLN-MERCURY:
1983 LN7, ZEPHYR
1983-87 CONTINENTAL, LYNX
1983-89 GRAND MARQUIS, TOWN CAR
1983-93 COUGAR
1984-86 CAPRI, MARQUIS
1984-94 TOPAZ
LIGHT TRUCK:
1983-91 BRONCO
1983-93 ECONOLINE, F-150-350 SERIES, RANGER
1986-91 AEROSTAR
1991-93 EXPLORER
ISSUE:
The instrument cluster warning light(s) may be dimly lit or there may be a malfunction of the four pin low oil relay on vehicles so equipped. This could
be due to the ignition switch.
ACTION:
If the vehicle displays the subject symptoms and meets the following conditions, replace the ignition switch. Refer to the appropriate Car or Light Truck
Service Manual (Section 13-04 for 1983-1990 Cars, Section 11-04 for 1991-1993 Cars and Section 13-05 for 1983-1990 Light Trucks, Section 11-05 for
1991-1993 Light Trucks) for removal and installation procedures. Refer to the Parts Block in this article for correct parts usage.
CONDITIONS
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The vehicle has 14401 wiring attached to the P2 terminal of the ignition switch. Refer to the wiring schematic and/or Electrical And Vacuum
Troubleshooting Manual (EVTM) for the concern vehicle.
