Question about 2005 Ford F-150 SuperCab
My 2001 f150 blew a 20 amp fuse under hood number 5 for tail and dash lights replaced but still don't work also head lights stay on can't turn them off haft to disconnect battery then they stay off can some one tell me how to fix
Sounds likely to be a relay blown so is giving constant supply to headlights and affecting rest of lighting system not sure of location on this vehicle but a google search will tell you if you dont have workshop manual
Posted on Mar 25, 2014
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Posted on Jan 02, 2017
SOURCE: blew a fuse for my
on my 1997 explorer the power window and door lock fuse is under the hood. fuse box driver side, passenger side of fuse box, 5th or 6th from front of vehicle. I now use fuses with LED in them so when they go out they light up bright red. easy to see even in full sunlight. cost about 3 dollars more but worth it. 30 Amp fuse.
Posted on May 07, 2009
Not sure which fuse you checked.
The Engine Compartment Fuse Panel ( Battery Junction Box / BJB ) is where the fuse is for the trailer tow adapter parking lamps.
Fuse # 5 is the fuse for the parking lamps, and the reversing lamps.
Next is the trailer tow adapter park lamp relay. This is what BJB Fuse #5 feeds, and the coil is operated by the truck's parking lamps. This is also in the BJB, Relay 201, it is the 1/2 size relay.
Not sure what you took a resistance reading from on the trailer tow adapter.
If you want, you can pull the trailer tow park lamp relay, and jumper the normally open contacts, which should provide power at the trailer tow adapters, regardless of the truck's lights.
This is the wiring diagram for the trailer tow park lamps
Posted on Mar 09, 2010
connector under the truck, near the trans
cannot remember specifics at this time but remember starting there every time one cam into the dealer with tail light issues and blown fuses
Posted on Jun 17, 2010
BJB ( aka Battery Junction Box , engine compartment fuse panel ) fuse #5 is for the trailer tow reversing lamp relay & the trailer tow running lamp relay. This is to the normally open contacts on those relays, which is the circuit to the 7 pin trailer tow adapter.
- Have you checked your 7 pin trailer tow adapter for metal left in there from a trailer plug ?
If you pull those 2 relays and replace fuse #5, does the fuse blow ? If so under what conditions ( i.e. when the headlamps are turned on, or when the truck is placed in reverse ) ?
BJB Fuse # 6 feeds the park lamp relay & the headlamp relay for the autolamp function. This could be where the lights staying on it coming from, but I would have guessed just the autolamp would have stopped working.
When the parking lamps are staying on, is this with the main headlamp switch in the auto position, or with the switch turned off.
The blinking OD light is the transmission reporting an error ( trans sensor issue or the actuator circuits have failed ).
The 1st place to check for this ( which is somewhat connected to the BJB Fuse #5 ) is the DTR ( Digital Transmission Range ) Sensor on the side of the transmission.
Could be the DTR connector is gummed up with road dirt, causing an issue. Part of the DTR is for starting ( Neutral or Park acts as a switch ) and part is the reverse ( again acting like a normal switch ) the other parts of the DTR feed information to the PCM for shift control and for 44 ( if the truck is a 4x4 ) for shift operation.
Start with the DTR on the side of the trans, unplug the connector and clean it with contact cleaner, and the check on the relays above.
Please report back your findings as a comment on this problem.
Posted on Oct 28, 2010
Hello you have blown those bulbs out you will need to replace them some times this happens these are usually sold in packages of two.This is my solution to you.
Posted on Jan 02, 2011
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