Test E: The Trailer Brake Controller
PINPOINT TEST E: THE TRAILER BRAKE CONTROLLER (TBC) IS INOPERATIVENOTE: Make sure the trailer brakes are electric-actuated drum type brakes before proceeding with this pinpoint test.
Test E1 - E4:
Test E4 - E6:
NOTE: Make sure the trailer brakes are electric-actuated drum type brakes before proceeding with this pinpoint test.