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Power Stroke Excursions Technical discussion of the Ford Excursion SUV with the Power Stroke diesel.

       
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Old 02-20-2005, 05:45 PM   #1 (permalink)
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Help electrical problem

01 EX 4x4 Limited 51k. OK here is the problem. When I go from park with the raido on to reverse the raido goes off, when I go from reverse to netural the raido comes on, then from netural to drive the raido goes off again and stays off.When i say the raido goes off I mean just the volume. everything else works. Also another problem that started after this I could hear a beep noise that would last about 5 seconds and go off for about 10 seconds and then come back on!!!!!!!!! Pleaase help with any suggestions. [img]/ubbthreads/images/graemlins/confused.gif[/img]
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Old 02-20-2005, 08:38 PM   #2 (permalink)
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Re: Help electrical problem

To eliminate loose harness plug connections you might want to pull the stereo out to get a looksee to make sure everything is plugged in securely.

Have you have had any modifications done to the electrical system or audio components lately?
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Old 02-21-2005, 07:26 AM   #3 (permalink)
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Re: Help electrical problem

I have not checked the stereo connection. This morning i went outside and heard my stereo playing the keys were in the house so went to get keys so i could start the x, it started fine but after i turned it off the stereo still played and i could turn the blower on and it would blow. Also i could not lock the doors with the remote. oh I haven't done anything to the x as far as electrical goes.
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Old 02-21-2005, 09:27 AM   #4 (permalink)
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Re: Help electrical problem

[ QUOTE ]
I have not checked the stereo connection. This morning i went outside and heard my stereo playing the keys were in the house so went to get keys so i could start the x, it started fine but after i turned it off the stereo still played and i could turn the blower on and it would blow. Also i could not lock the doors with the remote. oh I haven't done anything to the x as far as electrical goes.

[/ QUOTE ]
Indeed odd for sure,maybe Fordmastertech will chime in on the subject as he may have seen this electrical problem in other Excursion/SD's.

I want to say there was a big electrical surge/overvoltage event that sent everything askew possibly.
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Old 02-21-2005, 11:47 AM   #5 (permalink)
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Re: Help electrical problem

I bet its the gem moudle
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Old 02-21-2005, 01:15 PM   #6 (permalink)
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Re: Help electrical problem

[ QUOTE ]
I bet its the gem moudle

[/ QUOTE ]
Will an overvoltage situation cause the GEM to go belly up?
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Old 02-21-2005, 05:58 PM   #7 (permalink)
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Re: Help electrical problem

I been watching this thread for a while and you have a good one going on there. I have seen GEM modules that get wet from the windshield leaks cause weird problems like this. Possibly a accessory delay relay sticking or getting activated by the gem or the hot or cold temps. What confuses me is the gear shifter change causing the volume to cut out. I ran into a similar thing on many mid 90s Taurus's with the radio, power windows, power door locks inop, VAPS speed assist steering going to no assist and other things that I can't remember at this time acting up and it was a shorted transmission range sensor full of water causing the problem. I ran into this more than just once on these vehicles. I would recommend to get all the modules on the X scanned for codes to see if that will lead to anything common that is acting up on your X. I have also had a bad radio causing the radio to start playing by it's self at times but doesn't explain the other problems your are experiencing. I gave you a few thing I would check and the first and easiest one would be to check the transmission range sensor for water in the connector. Any other info you come up with let me know.
[img]/ubbthreads/images/graemlins/shrug.gif[/img]
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Old 02-21-2005, 08:46 PM   #8 (permalink)
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Re: Help electrical problem

where is the transmission range sensor? It sounds like the accessory delay relay sticking to me I'm not sure. As far as the raido turning off when in gear it has stopped that. Before the problem when you turned off the x the raido and windows would still work for a period of time. Well it seems like that's what it's doing but never turning off. Also I didn't tell you this morning that when i open the door it dings as if the key is in the ignition. So does it think the key is turned to accessory without the key in it????? [img]/ubbthreads/images/graemlins/shrug.gif[/img]
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Old 02-21-2005, 09:36 PM   #9 (permalink)
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Re: Help electrical problem

[ QUOTE ]
where is the transmission range sensor? It sounds like the accessory delay relay sticking to me I'm not sure. As far as the raido turning off when in gear it has stopped that. Before the problem when you turned off the x the raido and windows would still work for a period of time. Well it seems like that's what it's doing but never turning off. Also I didn't tell you this morning that when i open the door it dings as if the key is in the ignition. So does it think the key is turned to accessory without the key in it?????

[/ QUOTE ]
The accessory delay relay is in the fuse box under the dash, last relay on the bottom. The transmission range sensor is on the drivers side of the transmission where the shift linkage lever hooks up, black thing with many wires going to it. Also check the battery saver relay second relay from the top, it's a smaller sized relay and these smaller relays are more problematic. As far as the key chime it may be possible but I don't think so. There is a switch on the ignition switch that can stick, you have to remove the lock cylinder to repair or remove this switch. There are 4 holes in the under steering column trim, 3 have screws and one is open under the lock cylinder. Turn the key to run and put a real small screw driver into the hole, you have to find the lock cylinder release pin, and push it up and pull the whole lock cylinder out of the column. I would recommend to take the column trim off to find the pin easier. You can try to bend the contact so they don't put as much pressure on the switch on the lock cylinder or just tape it up and remove the switch on the lock cylinder to stop the chime for ever.
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Old 02-21-2005, 09:37 PM   #10 (permalink)
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Re: Help electrical problem

[ QUOTE ]
Also I didn't tell you this morning that when i open the door it dings as if the key is in the ignition. So does it think the key is turned to accessory without the key in it????? [img]/ubbthreads/images/graemlins/shrug.gif[/img]

[/ QUOTE ]

Ah, that's sounds like something in the ignition switch, steering column/shifter!! [img]/ubbthreads/images/graemlins/cool.gif[/img] When it's doing something funky, try tilting the wheel up and down and see if that does anything. If not, maybe that means nothing, or maybe the ignition switch? [img]/ubbthreads/images/graemlins/shrug.gif[/img]
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Old 02-21-2005, 09:56 PM   #11 (permalink)
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Re: Help electrical problem

pulled the accessory delay relay and the battery saver relay nothing changed. Will check the transmission range sensor tomorrow. What about the lock cylinder removal is this something I can try without any major problems???? One more thing I went outside at dark to see if the lights on the doors ( for windows and locks )were on and they were. What about the remote not working. I don't think it is the battery. does the accessory power tie in with the remote???
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Old 02-21-2005, 11:00 PM   #12 (permalink)
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Re: Help electrical problem

[ QUOTE ]
What about the lock cylinder removal is this something I can try without any major problems????

[/ QUOTE ]
I tried to make is as simple as I could. After you do it it's real simple.
[ QUOTE ]
What about the remote not working

[/ QUOTE ]
If the truck thinks it's on the remote key faubs will not work.
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Old 02-23-2005, 06:40 PM   #13 (permalink)
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Re: Help electrical problem

[ QUOTE ]
pulled the accessory delay relay and the battery saver relay nothing changed. Will check the transmission range sensor tomorrow. What about the lock cylinder removal is this something I can try without any major problems???? One more thing I went outside at dark to see if the lights on the doors ( for windows and locks )were on and they were. What about the remote not working. I don't think it is the battery. does the accessory power tie in with the remote???

[/ QUOTE ]

Ford Master Tech, what do you think about....>

As I reacall the blower runs dirrectly off the ignition switch in on of its circurits, I think it was 40 amp, only reason I know is I had the switch out when I did the remote start that has a relay for the blower.

Just a thought since the blower was on whithout the key I and do not think the main blower would ever be on a delay.


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Old 02-23-2005, 07:49 PM   #14 (permalink)
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Re: Help electrical problem

[ QUOTE ]
As I reacall the blower runs dirrectly off the ignition switch in on of its circurits, I think it was 40 amp, only reason I know is I had the switch out when I did the remote start that has a relay for the blower.

Just a thought since the blower was on whithout the key I and do not think the main blower would ever be on a delay.


[/ QUOTE ]
You are correct about the blower.
This got me thinking again, this could be deadly, I did have a 04 X come in last year with all sorts of weird electrical things radio playing by it self, heater not shutting off, dome lights staying on and other things that my tired brain can't think of at this time. Long story short, I isolated it to the rear wiper motor shorting out and back feeding the rest of the electrical system. Told the customer what I came up with and he said that makes sense, the rear wiper stopped working around the same time. I wanted to kill him for not complaining about it. I sat down for hours with the wiring book and tearing the X apart trying to figure this one out. This just goes to show how power applied in the wrong direction can cause back feeds that will make strange things like this to happen. This was also a intermittent problem that would act up at times with no rhyme or reason.
01EX I hope your prayers work, Electrical problems like this usually don't fix them selfs.
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Old 02-23-2005, 09:34 PM   #15 (permalink)
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Re: Help electrical problem

It rained here today and when I got in my x to leave work I noticed water on the (what I call) kick plate next to the emergency brake and hood latch the carpet was wet. I then removed the big cover under the dash and found water, could not see where it was coming from due to light but will check it out tomorrow evening. As I recall it was raining when all this started. Will let you know what I find.
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