20 Most Recent 1999 Ford Expedition Questions & Answers


horn relay (located in the battery junction box [BJB]).thanks

1999 Ford... | Answered on May 28, 2019


They are colour coded and have the amperage on top. PDF manuals are available at the Ford website

https://www.google.com/search?q=99+ford+expedition+fuse+box+diagram

1999 Ford... | Answered on Apr 06, 2019


Cycle the switch by your passenger wheel well (inside the car). Mine did the same thing after not driving for 4 months with the battery drained. In noticed the rear was lower than it should be. Once I turned the switch off then on, it leveled up.

1999 Ford... | Answered on Mar 16, 2019


You may want to remove the cover over the wiper nut and tighten it down. Make sure you don't exceed the torque settings. The nuts have a tendency to back off causing the wipers (or one wiper) to slip.

1999 Ford... | Answered on Mar 16, 2019


Check the door locks take off the trim panel on the doors and go to the latch at the back of each door and check that the wire is connected and that it's clean this is a ground when the door is opened the interior lights come when you close the door they shut off if the wire attached to the locking latch in each door is broken or corroded or unplugged they can fall off the lights inside will stay on it only takes 1 bad wire for this to happen also check to see if you door pin switches when you open the door by the hinges on the frame about halfway up you'll see a pin or button like switch on all doors again one bad one is all you need and the running board lights are probably on the same circuit oh yeah there's a tailgate latch to and or a pin switch so take off all panels and look for the bad wire and in the frames where the doors close in the front and back doors those pins are in the front part of the body where the door post are the rear tailgate it's in the frame on the side near the top to stop draining the battery till you find it take out the interior light fuse for over night parking

1999 Ford... | Answered on Nov 13, 2018


I would check the following possibilities:
1. Is compressor clutch working? - You need to do this when the ac is blowing hot air only - locate compressor drive pulley on engine - rubber belt wraps around it. Start engine and set to max ac. When the ac is blowing hot air, look at the center of the compressor drive pulley using a good flash light - watch it for a while, it should be spinning with the pulley - this means the compressor is engaged. If not, the compressor is not engaged. If your ac is blowing hot air, then the compressor should be engaged and running (trying to cool). If it is not engaged, then your compressor clutch is probably going out. Could be low voltage to clutch, but more likely the clutch is worn out and only working some of the time. Note: if working normally, the compressor clutch will engage and disengage in cycles- but the air should always be cold. If clutch is bad, compressor would need to be replaced (sold as one unit). This is tricky to diagnose and could take some time - you need to do it when ac is blowing hot air but set to max cooling.

2. Low on refrigerant or refrigerant has moisture in it? If your ac blows cold initially after being off for a while, then heats up, and continues to regularly cycle back and forth between hot and cool air, then the system may be low on refrigerant or the refrigerant may have moisture in it that is freezing and restricting refrigerant flow. An a/c shop can check refrigerant level and even replace refrigerant if moisture is suspected.

Could be other issues, but I would start with these.

Good luck

1999 Ford... | Answered on Oct 03, 2018


Ford calls this the "GEM" It is to the left of the brake pedal arm under the dash. It is just a matter of a few fastners to remove.

1999 Ford... | Answered on Sep 05, 2018


its the key 1 for settings 1st driver key 2 settings for 2nd that's the seats and mirrors

1999 Ford... | Answered on Jul 29, 2018


Not enough transmission fluid in the tranny, Pressure regulator malfunction, reverse solenoid sticking or the transmission control module is bad.

1999 Ford... | Answered on May 06, 2018


You may be hearing 30A circuit breaker 601 in the battery junction box. There could be a short in the switch or wiring.

1999 Ford... | Answered on May 03, 2018


I suggest you try one of those instant download manuals. My brother ( a mechanic) buys it when he can't fix some technical issue He buys from www.reliable-store.com . A lot of mechanics actually
do this. Website is very good for this. Must try it !!

1999 Ford... | Answered on Mar 11, 2018


Sounds as though the signal relay (cube sized) switch has failed, this is normally located under the steering console once you have removed the cover panel.. I do hope this helps....

1999 Ford... | Answered on Feb 21, 2018


The IAC wouldn't cause a noise like you describe, and as for the spark plugs, it is possible but only if the plug broke off, or blew out of the engine. You say engine is running OK but a V8 can do that on 7 cylinders. Also you may be describing the beginning of a piston rod knock. You will need to check further. Good Luck Friend

1999 Ford... | Answered on Feb 04, 2018


intermittent wiper relay problem.
see here....
https://www.yourmechanic.com/article/symptoms-of-a-bad-or-failing-intermittent-wiper-relay

1999 Ford... | Answered on Jan 16, 2018

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