Brake Pad Wear Warning Light
When the Right Front or Right Rear Inboard
Brake Pad (B129, B135) is in need of replacement, the Brake Pad Wear Warning Light is grounded through the Right Front or Right Rear Inboard Brake Pad (B129, B135). When the Ignition Switch (X134) is in position III, battery voltage is applied to the Brake Indicator Check Relay (K106) - The relay is energized, applying ground to the Brake Pad Wear Warning Light as a bulb check.