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I had the problem with the fuel pump relay melting down. It took the board with it when it happened. So, I installed a new fuse box. Lo and behold, she started right up. Fantastic. Mind you it was a real pain to get to this point, but not really pertinent. So I decide I'm going to put gas in it so I can drive her to work the next day. I'm turning at the end of my street to head to the gas station and the engine tries to die and the battery light flashed for a second. It goes away and runs like normal. I think its weird but keep driving. I stop, put gas in, then go to leave aaaaaaaand nothing. Not lights. Not chime. No click. Nothing. Battery still has juice, its relatively new. But it acts like there's not even a battery in it. Walked home (only a couple of miles) and tow it home early the next morning. I'm at a loss, folks. I can't think of what's wrong. Or for that matter why it kept running. But if I try to connect the battery now there no sparks, so the Expedition has a break in the circuit somewhere. Any ideas? This is really killing me.
Where did you get the "new" fuse box from ? Is it the same part number as your original fuse box ? . The fuse boxes are very year and date of production specific. You can't just go to a salvage yard and pull one "just because it looks the same". Even in the '03 model year there are two possible fuse boxes used.
Check the part number on the fuse box.
Last edited by Hamfisted; Mar 30, 2026 at 06:49 PM.
Rezvani's Latest Post-Apocalyptic Monster Is a Ford F-150 Raptor Underneath
Slideshow: Called the Fortress, the 850-horsepower pickup combines Raptor underpinnings with military-inspired features, survival equipment, and a starting price of $285,000.
No power to the 2003 Expedition
