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Discussion Starter · #1 ·
Hi All,

I started having trouble with the ol' girl initially with the
speedometer flickering and the cruise control responding to this
flickering and hunting to try and maintain proper speed. Just a couple
days ago I was pulling my trailer out of a snowbank and had it in 4X4.
After pulling the trailer out, I attempted to take it out of four-wheel
drive. The light was out, but the differential was still engaged.
Yesterday, the light came on, but I still couldn't take it out of 4X4.
I'm thinking it's either the speed sensor or else something wrong with
the Electronic Shift Control Module. Also, is the light on the ESCM
supposed to be on all the time? There is a little reset button that
I've pressed a few times and the light comes on for about 1 minute but
then goes out. Any help or previous experience with this problem would
be appreciated.
 
G

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Discussion Starter · #2 ·
On 26 Jan 2006 12:39:45 -0800, "Vern" <[email protected]> wrote:

>Hi All,
>
>I started having trouble with the ol' girl initially with the
>speedometer flickering and the cruise control responding to this
>flickering and hunting to try and maintain proper speed. Just a couple
>days ago I was pulling my trailer out of a snowbank and had it in 4X4.
>After pulling the trailer out, I attempted to take it out of four-wheel
>drive. The light was out, but the differential was still engaged.
>Yesterday, the light came on, but I still couldn't take it out of 4X4.
>I'm thinking it's either the speed sensor or else something wrong with
>the Electronic Shift Control Module. Also, is the light on the ESCM
>supposed to be on all the time? There is a little reset button that
>I've pressed a few times and the light comes on for about 1 minute but
>then goes out. Any help or previous experience with this problem would
>be appreciated.


The most common problem is the shift motor not responding. As a short
term try at "fixing" it you can tap on it with a hammer a few times
alternating with pushing the buttons to try and get it to move. The
permanent fix is to remove it and clean it up. There are two plastic
"stops" inside the motor that often get brittle and break which may
allow it to over run it's end positrons and get stuck. There are
detailed instructions for doing this on a website but I don't have it
handy. A google search of the newsgroup archives would probably
produce it.
 
G

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Discussion Starter · #3 ·
"Ashton Crusher" <[email protected]> wrote in message
news:[email protected]
> On 26 Jan 2006 12:39:45 -0800, "Vern" <[email protected]> wrote:
>
> >Hi All,
> >
> >I started having trouble with the ol' girl initially with the
> >speedometer flickering and the cruise control responding to this
> >flickering and hunting to try and maintain proper speed. Just a couple
> >days ago I was pulling my trailer out of a snowbank and had it in 4X4.
> >After pulling the trailer out, I attempted to take it out of four-wheel
> >drive. The light was out, but the differential was still engaged.
> >Yesterday, the light came on, but I still couldn't take it out of 4X4.
> >I'm thinking it's either the speed sensor or else something wrong with
> >the Electronic Shift Control Module. Also, is the light on the ESCM
> >supposed to be on all the time? There is a little reset button that
> >I've pressed a few times and the light comes on for about 1 minute but
> >then goes out. Any help or previous experience with this problem would
> >be appreciated.

>
> The most common problem is the shift motor not responding. As a short
> term try at "fixing" it you can tap on it with a hammer a few times
> alternating with pushing the buttons to try and get it to move. The
> permanent fix is to remove it and clean it up. There are two plastic
> "stops" inside the motor that often get brittle and break which may
> allow it to over run it's end positrons and get stuck. There are
> detailed instructions for doing this on a website but I don't have it
> handy. A google search of the newsgroup archives would probably
> produce it.


I'm glad you were able to deduce that from this post. I'm still wondering
what an ESCM is ;-) It that by chance the 4X4 light?
 
G

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Discussion Starter · #4 ·
On a '94 Explorer, it's actually the module you will see above the
driver's side rear wheel well next to the rear wiper washer motor.
Wires enter it from the front and the back.
 
G

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Discussion Starter · #5 ·
Hi all - I guess I'll add my 2 cents to this post. I have a 94 EB 4X4.
I've got the same speedo problem as well as several others mentioned
frequently in this forum - engine ping, rust at bottom of doorwalls,
etc. Lots of helpful info out here. I'd like to try a few of these
fixes myself but definitely am not a mechanic. Sounds like lots of
people post problems and suggestions but was wondering if anyone knows
of some internet sites that have detailed repair instructions. Looks
like I'll have to go the CD or repair manual route myself as I haven't
had much luck searching the web. You'd think that this info would be
out there somewhere - everything else seems to be.
 
G

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Discussion Starter · #6 ·
"guildltc" <[email protected]> wrote in message
news:[email protected]
> Hi all - I guess I'll add my 2 cents to this post. I have a 94 EB 4X4.
> I've got the same speedo problem as well as several others mentioned
> frequently in this forum - engine ping, rust at bottom of doorwalls,
> etc. Lots of helpful info out here. I'd like to try a few of these
> fixes myself but definitely am not a mechanic. Sounds like lots of
> people post problems and suggestions but was wondering if anyone knows
> of some internet sites that have detailed repair instructions. Looks
> like I'll have to go the CD or repair manual route myself as I haven't
> had much luck searching the web. You'd think that this info would be
> out there somewhere - everything else seems to be.
>


You can get a Ford repair manual on eBay for around $10 (including
shipping). There is some information on www.autozone.com but it is limited
and not thorough. Some more instructions for repairs can be found at
http://draco.acs.uci.edu/explorer/

You might also want to try www.ford-trucks.com They have an
Explorer/Mountaineer forum and lots of discussions on repairing Explorers
but I find their "search" engine to be lacking.
 
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