The GW replacement clutch and brake switches brought my CC back to life. The old ones tested fine, too. 
Mike M

Sent from my iPhone

> On Nov 24, 2015, at 8:21 AM, Stacy Schneider <vwcrewman@GMAIL.COM> wrote:
> 
>                Believe it or not , those pedal switches are probably bad even though they test out fine. 
>                 You could always for test purposes bypass the vacuum side if the switch and see if it works.
>                   My cruise kicked my rear , until I replaced the pedal switches and then it came alive. It is rarely the pump or ECU , usually has do of with a vacuum leak.
> 
>                                              Stacy
> 
> 
> Sent from my iPhone
> 
>> On Nov 24, 2015, at 4:26 AM, Robert Clemmer <n51219@COMCAST.NET> wrote:
>> 
>> Last trip to FL the cruise control started acting up.  By that, I mean sort
>> of a little jerky then it wouldn’t hold speed.  When it did add throttle for
>> a rise or hill it would go past 5-10 mph past set speed than abruptly stop
>> until it was below set speed and the cycle starts again.  Ultimately, it
>> quits.  Stop for a ½ hour or so and it will work fine for an hour, more or
>> less, and starts acting up again.  I have tested the vacuum switches and
>> vacuum throttle actuator and all are fine.  The system will hold vacuum for
>> hours.  That said, is it more likely the vacuum pump or electronic control
>> unit.
>> 
>> 
>> 
>> Thanks for any input as I am fleeing the cold north right for FL just after
>> the holidays.
>> 
>> 
>> 
>> Bob C
>> 
>> 
>> 
>> 
>> 
>>