Well, as you can see with the threaded shaft on the switch, you can adjust how deep into the dash the switch is mounted. Simply by making contact, it indicates that you’re not using the brakes. But, on the release side of the pedal (when you’re not pressing the brakes), the pedal shaft is supposed to come up and engage that little black switch on the brake light switch. The way it works is that when you press the brake pedal, it presses a metal rod which goes through the firewall, engages the bell crank, which then transfers compression to your master cylinder and that stops the rig. The threaded end goes through a whole in the dash and that little black switch on the end faces the brake pedal. If you go up under the dashboard and look near the top of the brake pedal, you’ll see this switch mounted there with two sets of wires plugged into it. This one is specific to GM vehicles (and the Workhorse uses GM). Or sometimes called the stop light switch. So, I went diggin’ in the halls of Google like most people do. Even in the resting position, the pedal was engaged just enough to kick the cruise control off. This tells me that the cruise control is working fine. If I held up the brake pedal with my toe or my hand, the cruise would work. And, no cruise control going down I-10 is…. So, I drove from Florida to Texas and back without any cruise. In other words, most of the time it’d work fine, but it was showing symptoms of becoming problematic.īut, then on a recent trip out to Texas and back, the cruise control was no more. After a couple of attempts, it did engage.
I went to engage the cruise control and it didn’t want to work. I first noticed the issue while driving on a bumpy road up in Canada between Montreal and Quebec City. I honestly don’t know if what I’m about to say applies to other chassises. My motorhome rides on a Workhorse W22 chassis.
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