Question about Ford F-250
There is a technical bulletin issued for the same. Let me provide you with the details :-
FORD: 2003-2006 F-Super Duty
This article supersedes TSB 05-15-11 to update the illustrations.
ISSUE: Some 2003-2006 F-Super Duty vehicles used for towing may exhibit trailer lamps being inoperative or not working properly. This may be due to an open trailer tow fuse, a concern in the vehicle's wiring, a concern in the trailer's wiring, or the trailer not being wired properly for the vehicle.
ACTION: If the vehicle exhibits an open trailer tow fuse, refer to the following Service Procedure to determine if the open trailer tow fuse concern is caused by the vehicle or the trailer wiring. If the vehicle does not exhibit an open trailer tow fuse, follow normal diagnostics.
NOTE: FAULTS OR REPAIRS CAUSED BY TRAILER WIRING ARE NOT WARRANTABLE.
NOTE: VEHICLE WIRING MAY DIFFER FROM MODEL-TO-MODEL OR YEAR-TO-YEAR. ENSURE THE TRAILER IS WIRED CORRECTLY FOR THE VEHICLE.
NOTE: ELECTRIC POWER TO EACH TRAILER CIRCUIT IS SUPPLIED THROUGH A RELAY AND DEDICATED FUSE AS SHOWN IN FIGURE 1.
4-PIN CONNECTOR/2003-2004 VEHICLES
Check Fuses F2.6, F2.38, F2.39, and F2.115 in the central junction fuse box, located under the dash panel, left hand side.
Hope i helped you.
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Posted on Oct 08, 2009
Somehow the light is detecting trailer. Either there is a sensor that is bad, or wire shorting. You should check your fuse panel and pull that fuse if you don't use it anyways.
Posted on Oct 06, 2009
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Posted on Jan 02, 2017
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