Question about 2003 Ford Expedition
Hello , i want to know where is located the relay or fuse for the back lights and dash board and fog lights , i was trying to upgrade my tail lights and i did an small short cut ,my brake lights and head lights still working except for for the dash board and fog and tail light for the nights , so i am pretty sure isn't a wire problem because my brake lights still working good and even signal but, i dont know wich relay fuse is or where is it ?
Under ya hood in the fuse box. There is a relay that will blow when it is shorted out. Look on the inside of the cover and you will see just which one it is.... You can replace it with another one to see if the relay is bad or not......
Posted on Dec 02, 2012
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Posted on Jan 02, 2017
If you bought the fog lights from Ford and they plugged into factory plugs at the front bumper, then I suspect you need the headlight switch that came optional for your car. You will need to install a relay into the fuse box. Check for any fuses for that circuit. I did one on a Ford f-150 and the switch came with the lights from Ford.Usually the fog lights are not on until you push a button or turn the switch.
Posted on Mar 15, 2009
The dash lights and tailights are on the same fuse link. everything else will work like brake lights and turn signals but this one fuse causues alot of problems. Sometimes this fuses isnt marked on your cover so you might have to look in the maual to find the right fuse . some will be under the hood some will be under the dash .
Good luck to you all on finding this little fuse hope you find it before the cops pulls out behind you when its dark :)
Posted on May 16, 2009
you have to check all fuses with a test light both fuse boxes under hood and under dash... if good next to look for is the light switch itself... has any radio work been done to the lately... if so alot of times hooked up wrong will blow park fuse as one of the wires to radio is the park voltage to tell radio to dim down some
Posted on Sep 06, 2009
This is a common problem on 97-00 MY trucks, regardless of the trim level ( XL, XLT, Lariat ).
If you install the fog lamp fuse in the BJB ( aka Battery Junction Box, Engine Compartment fuse panel ) Fuse # 9 ( 15 A fuse ) and jumper the normally open contacts in the fog lamp relay socket ( see diagram below ) the fog lamps should illuminate ( to confirm what you have doing on ).
The problem usually is the main headlamp switch to the BJB is not in place ( this is the yellow wire from the main headlamp switch connector to the relay socket pin #1 ).
One easy route is to make an aux lighting relay & harness, or purchase one online. With this, you can cut the factory ends and attach them to the harness you purchased. There is an air inlet next to where the steering wheel column runs through the firewall. This would give you an easy route to the fog lamp switch. The fog lamp switch, you can buy the factory one, and change the yellow wire from the connector to your added relay, or just add a switch for this function.
This will give you an idea of what the DIY relay and harness would look like.
Hope this helps, more than confuses at this point
Posted on Nov 13, 2009
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