Electrical Problems!
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Joined: Jul 2003
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Electrical Problems!
On my 97 Expedition my tow turn signals & brake lights do not work. My tow tail/running lights are working fine. According to my manual they are controlled by different fuses/relays. Fuse #1 in the power network box controls the tail/running lights, It was blown so I replace it. Fuse/relay #2 in the Engine mini fuse box controls the tow stop/turn lamps, it’s a relay. With the hood up, turn on the turn signal and the relay blinks along with the blinkers, I can put my finger on it and feel it blinking. I disconnected the connector underneath the Air filter box and tested for power. The brown wire(tail lamps) have power, Green and Yellow (Left & Right turn signals) have no power. At this point I'm about a foot away from the fuse/relay boxes with no power to my tow turn signals and brake lights. Sorry about the length but wanted to give as much info as possible.
PS I have also switched the relay #2 in the Engine mini fuse box with others relays just like it, still clicks/taps/blinks and doesn't work.
I'm about the take it to the dealer and spend no telling how much $. Can anyone help.
PS I have also switched the relay #2 in the Engine mini fuse box with others relays just like it, still clicks/taps/blinks and doesn't work.
I'm about the take it to the dealer and spend no telling how much $. Can anyone help.
Hotshot
Joined: Aug 2002
Posts: 12,679
Likes: 15
From: BC, Canada
Electrical Problems!
Hi Dr Tex and welcome to FTE 
Besides the fuse in the Battery Junction Box (underhood fuse box) there should also be a couple fuses in the small towing fuse box which is near the underhood fuse box. The manual calls this the "engine fuse module" and shows it just behind the the Battery Junction Box.
Besides the fuse in the Battery Junction Box (underhood fuse box) there should also be a couple fuses in the small towing fuse box which is near the underhood fuse box. The manual calls this the "engine fuse module" and shows it just behind the the Battery Junction Box.
Thread Starter
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New User
Joined: Jul 2003
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Electrical Problems!
Figured out the problem. My manual was showing the location of the "Engine mini fuse box" in the wrong location. It showed the location to be another box with relays in it. Same number of relays as fuses. I thought maybe Ford called relays and fuses the same thing. The manual shows the "Engine mini fuse box" to be vertical to the vehicle and actually the box is horizontal to the vehicle. Any way It was just another blown fuse. Thanks for your help Racerguy.
