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  #1  
Old 12-04-2011, 05:58 PM
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Join Date: Dec 2011
Vehicle: 2002 F150
Posts: 3
no power at 7 pin trailer tow adapter

Recently was using the aux power outlet in the cab and lost power, but cannot find the fuse that powers this outlet. Additionally, I now have no power at the 7 pin trailer light adapter.

Are they on the same fuse?

Thank you
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  #2  
Old 12-04-2011, 11:57 PM
glc glc is offline
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Location: Joplin MO
Vehicle: 2003 Ford F150
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Do you have your owner's manual? If not, download it.

https://www.fleet.ford.com/maintenan...ls/default.asp

It lists all fuse and relay locations.
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2003 F-150 XL RCSB 2wd 4.2 M5OD 3.55 LS
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  #3  
Old 12-05-2011, 12:08 PM
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Yes I have downloaded the owners manual, but am not clear which fuse powers this. Are theses devices - Aux power port and 7 pin tow adapter - linked and on the same fuse? There are 2 aux power outlets in the cab - 1 is on a 20A fuse, which has been replaced and is working, however, the other is not working.
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Old 12-06-2011, 02:51 AM
glc glc is offline
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The power port in the dash is powered by the cigarette lighter fuse. If that pops, the OBD2 port won't work either.

I think the tow fuses and relays are all in the PDB under the hood.
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  #5  
Old 12-06-2011, 04:19 PM
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Vehicle: 2002 F150
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There are 2 power ports in the dash. 1 has a 20 amp fuse which has been replaced and works, the other power port - on the left - does not work and this is the fuse I cannot find. it may coincidence, but when this power port quit, the trailer lights quit also.

The 2 power ports in the dash are on separate fuses.
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Old 12-06-2011, 04:19 PM


 
 
 
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