2007 E450 Cruise Control D.O.A.
In the middle of a long haul yesterday my cruise control suddenly stopped working. I did some reading about how to address this issue. There is no CC fuse per se as it is part of either the po...
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Did the cruise control indicator work before the cruise quit working? If so, this could be a clue. The most common problem with this system is the deactivation switch on the master cylinder. Easy test is to disconnect the switch and jump the two terminals in the harness connector together and take it for a drive. If it works now, replace the switch. Also check the switch for brake fluid leakage into the connector. There was a recall on this switch, it could be covered.
