Ford Excursion :: Backup Assist Only Works In The Rain?
Feb 16, 2013
My backup assist only works when it is raining!! I have read all the posts I could find on the back up system, but have not found one one my issue. I had my wife turn the key on, engine off and put the truck in reverse. I put my ear to each sensor and they are clicking. So I am assuming they are working right. I took the speaker out and cleaned it and put it back in. No beeping at all!!
It was raining really bad one day last week and as I was sitting at the curb in reverse waiting to back into the driveway a car passed me and the system started going off. It startled me and the kids. I backed in and it worked as it should. Later that night we went out to eat and it was still raining and the system worked as I backed into a spot near a light post.
The rain stopped and the truck dried out and now the back up assist is nonoperational again! What is going on? To me it seems the moisture is completing a circuit that is not being completed when dry!
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My wifes 04 Aviator gives a check backup assist when in reverse. Checked fuse no problem.
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what are the common problems that cause the rain sensors to not work. The speed one and two both work, but when i set it to auto the wiper will work one time but then never again. when i move the sensitivity switch to the left and then back to the right it will work once more.
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Is it possible to turn off the backup sensors on my X ?
When I am towing these things drive me nuts!
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Just started doing this. Sometimes I can get them to turn on in I hit the button enough. Switch going bad?
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I can't find any info about this "always on" reverse light issue. My searches show that most people with the problem only have it when they put it in to revers. Mine's broken but the light is on all of the time indicating it's not working.
I can go through the sensors, but I think the system only recognizes sensor failures when the car is in reverse. What's my first/next step?
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My back up alarm hasn't been working all the time. I checked for the clicking sound when it wasn't working & could hear the clicking. The light is on all the time when its acting up. Is there a control box somewhere?
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I'm having an issue with my backup sensors when its cold (40 and below). The issue is, they don't work. When I put it in reverse the sensor light on the dash comes on signifying they're off. I push the button to try to turn them back on and it stays on with no change. Once the outside temp heats up they start operating as normal. How to fix this?
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The backup alarm sounds when I put the truck in reverse when there is nothing behind me. I found posts about people not getting any sound at all but none like mine. I'm guessing I have at least bad sensor that 'thinks' there's something in the way when there isn't.
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Currently I have a license plate camera wired always on connected to a 7inch lilliput monitor infront of my center console on that hump in the floor. The monitor is connected to a 12v plug on the dash. In this configuration, I have to reach down and turn the monitor on whenever I want to reverse and im hoping I can make it turn on whenever I go into reverse. Right now, if I turn it on then turn the truck off, the monitor stays on with a bright blue no signal screen which forces me to turn the monitor on, then off, every time I reverse if I want to use it.
Any way to make the monitor turn on/off when I put my Ex in reverse?
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My Excursion had a mangled rear bumper when I bought it recently. I just bought a salvage one to replace it. I had it installed today. I want to salvage the backup sensors in the old bumper along with the license plate lights. How do these come out? They seem locked in there to me.
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Ok, so it seems I have 3 bad backup sensors on the 2002 Ex. Background information for those considering a repair:
I put the Ex in reverse, key in run and can hear "fast ticking" from only one sensor. Sensor removal is easy (at lease on the two outside sensors). Two tabs on the black housing in the bumper hold the cylindrical sensor in place. Release the two tabs and work the sensor out. I haven't tried to remove the bad inside sensor yet as there is a lot less room to work there.
Once removed, a single tab on the wiring harness connector holds the sensor in place.
Here is the problem I have. I can't get the sensor to LOCK back into the connector. I have backed the connector against the bumper and pushed on the sensor with all my strength and I cannot get it to lock back into the single tab on the connector.
Is there a trick I am missing? I am ready to try vice grips but I fear I will damage the connector.
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I'd really like to add these to The Beast, but don't want to drill through chrome. My bumper has some plastic running along the top (see pic). Just looking for info for the same bumper mounted the sensors there with success.
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My reverse camera goes over the mirror, its a mirror when not in use and a camera when in reverse. The way this one is set up, the camera taps switched 12 volts at the rear of the car (tapped trailer connector for these) and the video signal runs forward (ran under headliner to center console to mirror). The monitor needs 12 volts, ground, and + 12 volts when I shift into reverse. I just read a half dozen threads where people suggested tapping into a black wire with pink stripe in the driver's kick panel. Just checked, no such wire on mine. I do not want to run a wire back from the taillight, this seems backwards since the power goes from the front of the truck to the reverse light in the taillight I just need to find the right wire. I checked the reverse relay and the fuse in the fusebox and they are both 12 volts when the truck is on, so they must be prior to the reverse switch.
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This started a bit ago. Every time it rains I get water in my glove box. The weatherstrip on the plastic cowl is missing but I have a hard time believing that is the issue. There are signs of rust on the top corner above the windshield. The paint is bubbling. I'm not sure what it is but I need to stop it as soon as possible!
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This morning, after a hard rain, we went to town to run a few errands. When we were going down the road my wife opened the glove box. It was filled with water. When I say filled...I mean filled. I looked at that side of the windshield and found a few things that concern me. There is a bit of rust at the top corner of the windshield that has bubbled the paint. The small strip of weatherstrip that should be at the top of the plastic shroud (where the windshield wipers are at) is missing. Could either be the cause of the water in the glove box? I am worried that if the glove box is filled that wiring behind the dash could have been exposed to the moisture as well.
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My 2000 Excursion, 6.8L V10 misfires when I try to start it, after a rain storm, and for the longest time, I could not figure out what was going on. After much use of a garden hose, to make rain, I found the rear two cylinder wells, on passenger side fill with water, due to a design defect in the engine hood that causes run off down that side of the engine. I visited with a mechanic, and was told that the hood design is common to a lot of the F series trucks, and the 8 and 10 cylinder engines are prone to the water buildup in the passenger rear spark plug wells. I am going to try to put a shield of some sort, around the two cylinder wells, to divert the water.
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I am having a hard time figuring out what is going on with my A/C. First time you start it for the day, works great, blows cold air, but will only do it for about five minutes, then the compressor kicks off.
I have tried by-passing the high and low pressure switches, compressor still will not kick on. Checked the air-gap, it is fine, and I actually removed the shim, so there is almost no gap at all now, didn't fix the problem.
I tried replacing the A/C clutch relay, no luck there. I can tell you that if I manually push the contact in on the A/C clutch relay, the compressor kicks in and runs.
The only thing I can think of at this point is the A/C control panel in the dash, but wanted to check before I buy that expensive part and replace.
If it matters, this is on a 2000 Excursion, with the 6.8l v-10
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My A/C works fine when I am moving, but when i come to a stop it does not come out cold.
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Last night and this morning we had flooding rains here and the excursion was sitting outside in it.
Later this afternoon, I went to pull it up a little to get a motorcycle ouut of the garage, and it started, but very roughly. Check engine light on, would idle at times, and sometimes would die on its own or when I put it in drive. The OD light on the gear shift was also flashing.
Didn't see any pools of water in the engine compartment, around the firewall or anything that would show water had gotten into some electrical areas of the truck.
My OBD reader isn't reading the diagnostics plug for some reason, im gonna go buy one here in a minute.
Plugs, boots, COPS?....why the hell the OD light flashing when in park? Start removing, inspecting, replacing or tow it to the dealer?
2002 Limited, V10, 190k miles, 1-owner, 6 pages of carfax dealer service reports.
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I have a 2001 ex. 4x4 6.8 v10. I have been having vacuum issues and brake issues lately. My front brakes seem to be sticking, some times they drag some times the don't squeeze when I step on the brake causing uneven wear and pulling when I stop. Also feels like I have no power assist. I also have a vacuum issue with the auto setting on the hubs, they don't engage I have to manually lock them and sometimes my a/c stays on defrost. And my cruise control doesn't work, the light comes on and love done the self check but it doesn't show anything is wrong. Could I have a bad brake booster?
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