Ford ExpeditionTrue expeditions require additional transportation conveyances: horses, boats, cars, for example. With a towing capacity around 9,000 pounds, the Ford Expedition can tow any of these. Ford adds a new top end King Ranch model for 2008, as well as an available rear backup camera and power-retractable running boards. The Expedition is meant for utility, not posing.
Well apparently my 98 Expedition XLT doesn't like rain. This morning was the first hard rain that I have driven in.
After about 10 minutes of driving in the rain, all the yellow lights inside the TACH (4x4, A4WD, 4LOW, LOW WASH) would flash on and off together. I could hear a relay click everytime they came on, but nothing when they turned off. After about 40 minutes (1 hour commute) the O/D light on the shifter was flashing, (the pattern was independant of the dash lights that were flashing.)
The O/D flash was steady, the dash lights were on and off randomly.
I was running in 2HI and the over drive sure seemed to be working (60mph at approx 1800RPM).
I guess water is getting in somewhere and playing with the wires?
I agree with you. I'd crawl underneath, and pull and dry any connectors to the trans, transfercase, and the rear differential. I'd give each of them a dab of di-electric grease, then I'd say a little prayer.
Good luck.
__________________
BroncoJoe19
2006 Alt Fuel Jeep (electric)
'98 windstar 3.8L
'99 Crown Vic 4.6L
'90 Full Size Bronco 5.0L
I'm not a professional mechanic, take my suggestions with a grain of salt, or a cup of coffee
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yup.....happened 2me....few hundred cost me. take windsheld off....redo it....i found my leak. didnt do it it. to the left of rear veiw mirro.....theres a seam in the body. STARTS there!!! actually its on both sides....i know,i work pt in a shop that has salvage cars from aution and i looked and seen where really rust starts for the older expedition....dirt sits in there.....STAYS WET.in time it leaks in. runs inside body down front windsheid posts....fusebox,computers,dash cluster gets wet.it will screw up transfer case...i changed my switch as well.i was lucky there cause a dealer or stranger wouldve screwed me.
__________________
BroncoJoe19
2006 Alt Fuel Jeep (electric)
'98 windstar 3.8L
'99 Crown Vic 4.6L
'90 Full Size Bronco 5.0L
I'm not a professional mechanic, take my suggestions with a grain of salt, or a cup of coffee
At the bottom of each post there is a little icon
Clicking it gives feedback to the moderators, and poster regarding which posts are most helpful.
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Apparently my EXPY doesn't like rain. 
97 expedition xlt 4.6l
Hybrid Mode
