Cruise control/speed control module
#1
#3
#5
![Default](/forum/images/icons/icon1.gif)
Found it, replaced it, didn't fit it. ![Icon No](https://www.jaguarforums.com/forum/images/smilies/icon_no.gif)
So far I've replaced the console switch and the module. It is difficult to get the system to engage and when it does, it rapidly and steadily accelerates until the switch is turned off rather than locking the speed setting.
Any suggestions on my next diagnostic steps?
Thank you.
![Icon No](https://www.jaguarforums.com/forum/images/smilies/icon_no.gif)
So far I've replaced the console switch and the module. It is difficult to get the system to engage and when it does, it rapidly and steadily accelerates until the switch is turned off rather than locking the speed setting.
Any suggestions on my next diagnostic steps?
Thank you.
#6
![Default](/forum/images/icons/icon1.gif)
When the speed control on my '92 didn't work l checked the fuse and switch etc. What l found was that that a small plastic washer like part had gone soft and was not holding the link rod. Part 4 here....
Speed Control Actuator-5.3 Litre - Parts For XJS from (V)179737 to (V)226645 | Jaguar Classic Parts UK
Speed Control Actuator-5.3 Litre - Parts For XJS from (V)179737 to (V)226645 | Jaguar Classic Parts UK
#7
![Default](/forum/images/icons/icon1.gif)
Found it, replaced it, didn't fit it. ![Icon No](https://www.jaguarforums.com/forum/images/smilies/icon_no.gif)
So far I've replaced the console switch and the module. It is difficult to get the system to engage and when it does, it rapidly and steadily accelerates until the switch is turned off rather than locking the speed setting.
Any suggestions on my next diagnostic steps?
![Icon No](https://www.jaguarforums.com/forum/images/smilies/icon_no.gif)
So far I've replaced the console switch and the module. It is difficult to get the system to engage and when it does, it rapidly and steadily accelerates until the switch is turned off rather than locking the speed setting.
Any suggestions on my next diagnostic steps?
My suspicion would be a problem with the vacuum pump/solenoid arrangement in the engine bay. Download the electrical guide from the 'sticky' section and test the inputs and outputs.
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