car_auto:w123:cruise [wiki]

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  * [[http://www.peachparts.com/shopforum/tech-help/315339-inside-box-vdo-cruise-control-actuator.html|Actuator testing and disassembly]]

===== Cruise Control =====
==== Basic Info ====
  * [[https://images.squarespace-cdn.com/content/v1/54d2ea0ee4b0a82052a39de2/1528082882558-N7IZ39M7R6YY9CJYEYW2/14+Pin+Wiring.PNG|Pin Wiring]]

==== Cruise Control Amplifier ====
  * [[http://www.peachparts.com/shopforum/diesel-discussion/123036-cruise-control-repair-articles.html#post883130|A ton of links]]
  * [[http://forums.pelicanparts.com/porsche-911-technical-forum/394659-understanding-vdo-cruise-control-amp.html|Schematic to same or similar amp]]
  * There's some talk that replacing the LM2901n quad comparator is the next step for shotgun approach if replacing the electrolytic caps doesn't fix. This [[http://forums.pelicanparts.com/porsche-911-technical-forum/394659-understanding-vdo-cruise-control-amp-2.html|helped at least one person]] with a surging issue on their amp.

==== DIY ====
  * [[https://www.youtube.com/watch?v=l0A8OiNk4Hw|very basic implementation on a Nissan]]. Doesn't use PID and missing some safety mechanisms

==== Aftermarket ====
  * The Rostro 250-1223 seems like an option that has worked for a few
    * [[https://www.peachparts.com/shopforum/diesel-discussion/287050-rostra-global-cruise-install-thread.html|Full description of Rostro install]]
      * from the manual: "If the TACH wire is not 'hooked-up', the cruise control will function; however the TACH over-rev safety feature will be inactive." It seems people leave it floating?
    * [[https://www.thecruisecontrolstore.com/content/250-1223.pdf|Rostro owner's manual]]
    * [[https://www.peachparts.com/shopforum/diesel-discussion/286803-rostra-cruise-wiring-diagram.html|Wiring diagram]]
    * [[https://www.peachparts.com/shopforum/667635-post31.html|Another wiring diagram from another person]]
    *