Q.) Will the Sentinel® work with Electric-Hydraulic Brakes?
A.) Tekonsha® brake controls are designed to operate electric brakes that are activated by magnets. They have not been tested for the use on electric/hydraulic brake systems. Please contact the manufacturer of the hydraulic control unit for their recommendations.
Q.) All of the lights are flashing when the brakes are applied.
A.) The Sentinel® has to have a complete circuit on the Blue wire to the magnets then to ground and the proper resistance. Possible Causes:
· Short to ground on the brake circuit wire.
· Power backfeed on Blue wire.
· Electric/Hydraulic brakes.
· Faulty control.
Q.) The trailer is connected, but no Green light is indicating so.
A.) The Sentinel® has to have a complete circuit to ground through the brake magnets on the Blue wire with the proper resistance to turn on the Green light on. Possible Causes:
· No power on Black wire.
· Bad ground on White wire.
· Open in brake circuit wire.
· Truck and trailer mis-wired.
· Faulty control.
Q.) There are no brakes when using the brake pedal, but there are brakes with the manual.
A.) Possible Causes:
· No power on Red wire with brake pedal depressed.
· Control not leveled properly.
· Faulty control.
· No power on Black wire.
· Bad ground on White wire.
· No power on Red wire with brake pedal depressed.
· Control not leveled properly.
· Faulty control.
Q.) If you need further assistance or are experiencing a concern not listed here.
A.) Please call Tech Support at 888-785-5832 or Go to the Contact Us Link on this website.