Turn Signal Repair
Ignition Switch "ON" Step 2 - Locate the power distribution center (PDC) or fuse panel to check all system fuses. Learn more - To locate the fuse consult the owner's manual or search Google Images.
Turn Signal Flasher Step 4 - When a turn signal switch fails the system will short or go "open" causing the blinker not to operate. Use a test light to test input and output power circuits using a wiring schematic. Learn more - Find a wiring diagram in Google Images.
Turn Signal Lever Step 5 - A lighting module is sometimes used to control the all vehicle lighting systems, when this module has a problem various lights will fail to operate and the module needs to be updated or replaced (reprogrammed).
Lighting Module Helpful Information A turn signal switch is used to operate the direction signal system in a vehicle, which helps communicate an intended direction. Some lighting system designs integrate the turn signal and brake light systems which share the same circuit. Most lighting systems are grounded near the light bulb, which will produce a single bulb operation failure.