[Rhodes22-list] Who was Ford Expert?

[Tootle]

Mike:

Your web site has a picture of the control swith on the steering wheel:

http://images.wrenchead.com/smartpages/partinfo_resize/MOT/SW6010.jpg

Thanks,
Ed K
Greenville, SC, USA




R22MikeW wrote:
> 
> Ed,
> 
> You need to establish a few diagnostic points if you wish to investigate
> the
> problem yourself.  First, have you located the Speed Control
> Servo/Amplifier
> control unit?  Once you know where it is, figure out the connector pin
> numbering so that you may measure several key voltages at the unit.  These
> need to be measured while moving to test the cruise so this is not for
> everyone.
> 
> The first item that I would look at would be the BOO Switch by checking
> the
> voltage at pin 4 with respect to a good ground.  If the BOO Sw is
> defective,
> it might cause the unit to drop out or fail to engage.  Check the voltage
> when operating and when it fails, to compare.
> 
> If the problem does not seem related to the BOO Sw then I would look at
> the
> voltage at pins 5 & 8 to determine if the problem is related to the
> control
> inputs or a bad ground.  Does your horn function properly?  The system
> appears to pickup its control inputs by sharing the horn signal leads. 
> Note
> that the system develops a control function by placing various resistors
> in
> series with the horn and measuring the resulting voltage drop at the Speed
> Control Switch Input.  You should be able to check the Cruise ON/OFF,
> Resume, Set & Coast switches at the curb by measuring the voltage at pin 5
> while cycling the switches.  In addition, check the horn wiring for a
> loose
> connection since it looks like the power is being "returned" through the
> horn lead.  Maybe the horn or the wiring to it is intermittent.
> 
> Of course, Rummy may be correct in sending you to the Ford dealer since
> the
> control unit could also be bad and you would have no way to know.  Guess
> what - neither does the dealer - they just charge you and replace it and
> see
> if that works!  If you need parts, you may wish to check out
> www.autopartsgiant.com, although they do not have a 1999 F-150 van listed.
> Could it be an E-150 van?  The 1999 E-150 Econoline van has many cruise
> control switches but not the control unit.  That seems to be a dealer (or
> junk yard) part.
> 
> The real question is "How much do you feel like getting involved?" vs.
> "How
> much are you willing the donate to your favorite Ford mechanic?"
> 
> 
> Mike
> s/v Shanghai'd Summer ('81)
> 
> 
> From: "Tootle" <ekroposki at charter.net> Wednesday, January 03, 2007 1:14 PM
> 
> Brad:
>                I will describe the problem below.  First, Dan Bodnar is no
> longer on the list.  I wonder if the boat that Tom bought was Dan’s? 
> Maybe
> he ran into a downsizing at Ford and quietly departed.  He was on the list
> as of last May.
> 
> The problem is as follows:  When I first use the van to go somewhere, say
> the boat, it works fine.  After I shut if off and do something then go
> somewhere else it will not engage, or at least not for quite a while. 
> After
> about an hour driving sometimes I can get it to engage for no apparent
> reason other than time.
> 
> A search of the internet and Chilton’s manuals yields the following
> information:
> First, this is the same cruise (speed) control that Ford was involved in
> litigation and recalls over the cruise not disengaging and causing fires. 
> I
> have no history on this van if it was modified under any recalls, but that
> is not the issue.
> 
> This control shuts off when brakes are applied or the motor shuts off.
> However, I have not verified disengagement by checking voltage across
> switch.
> 
> On the internet there are a couple of references to the same problem as I
> describe to other 1999 F-150 Ford Vans.  They suggest three areas of
> problems.  First, they suggest the switching device in the steering wheel.
> Apparently a spring can become sloppy with age and the control lever can
> wear with age.  Now I believe that I know enough about switches to clean
> and
> adjust a spring if I knew how to get at it.
> 
> Second, they refer to the actual cruise control device as defective and
> third, they refer to brake on/off switch.
> 
> Attached is a signal schematic that I got from Chilton’s.
> 
> Ed K
> Greenville, SC, USA
> 
> 
> 
> Brad Haslett-2 wrote:
>>
>> Ed,
>>
>> What are the symptoms or the problem?  They all work pretty much the
>> same.
>> My A & P mechanics license has a lot of rust on it but I'm slowly getting
>> up
>> to speed with the new airplane.  Give me a description of the behavior
>> and
>> I'll take a stab at it!
>>
>> Brad
>>
>>
>> On 1/2/07, Tootle <ekroposki at charter.net> wrote:
>>>
>>>
>>>       Several years ago we had an expert with Ford vehicles on this
>>> list.
>>> Are you still there?
>>>
>>>       An expert in truck cruise controls will suffice.  Are there any of
>>> those?
>>>
>>> Ed K
>>> Greenville, SC, USA
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> http://www.nabble.com/file/5272/Schematic%201999.jpg Schematic 1999.jpg
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