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Car Forum / Ford / Ford Trucks / May 200698 expedition window problem
My 98 Expedition driver window will often not go down or will stop midway intermittantly. Changed the motor and the proble continues. Turns out when the switch is depressed the motor is only getting 8 volts (in the window up direction it gets the full 12 volts). Swapped out relays and no change in symptoms. All ideas on solving this problem are appreciated. TIA, Mike Take the switches apart and clean them. That helps mine for months and months. Spdloader > My 98 Expedition driver window will often not go down or will stop > midway intermittantly. [quoted text clipped - 8 lines] > > Mike I really don't know but perhaps this will help. There is a current limiting device that prevents the (dc) motor from burning up if you hold the switch down. I thought it was internal to the motor but I suppose it doesn't have to be. Might be worth looking into. When a dc motor stalls it draws a lot more current. The current limiting device will then drop the applied voltage (to the motor) to keep the motor from burning up. Double check that you get 0 volts across the switch when you activate it. You need to find out where the (12 - 8 =) 4volts is being dropped across. It is something between the motor and the battery ... for sure. >My 98 Expedition driver window will often not go down or will stop >midway intermittantly. [quoted text clipped - 8 lines] > >Mike Why swap a relay? I'd be looking at the switch itself. > My 98 Expedition driver window will often not go down or will stop > midway intermittantly. [quoted text clipped - 8 lines] > > Mike 9 times out of 10 it is a bad switch or bad connection on the back of the switch. >My 98 Expedition driver window will often not go down or will stop >midway intermittantly. [quoted text clipped - 8 lines] > >Mike > My 98 Expedition driver window will often not go down or will stop > midway intermittantly. [quoted text clipped - 4 lines] > > All ideas on solving this problem are appreciated. I suggest you join the Expedition Owner's Group mailing list and ask the question to that group. See http://mail.xpog.com/mailman/listinfo/expedition . Regards, Ed White
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