Not sure about the switch, but I saved information about the cruise control issue, which appears to be common with the ECO Cruise Control
ECO cruise Cruise Control
Cruise King Replacement: http://www.wanderlodgeownersgroup.co...ad.php?t=13758
It appears you have to have an account with wanderlodgeownersgroup to view the thread now, I didn't do that in the past or present.
If you find new/updated information or repair/replace your ECO Cruise, please followup here in your Thread.