Posted 2015-06-22 2:51 PM (#163839 - in reply to #160269) Subject: RE: Sterling Coach OEM Marker Light Manufacturer
Extreme Veteran
Posts: 448
Location: Los Angeles, Ca.
Some older controllers have an adjustment on them to "level" the sensor on the controller.....check that. Also, put a test light on the brake pin at the connector and manually operate the controller...the light should go from off to bright as you slide the switch on the controller.