Thunder Heart Performance Complete Electronic Harness Controller Features Performs all fuse, relay and flasher functions in one small module Electronic module utilizes all surface mount technology and microprocessor which eliminates cumbersome relays and flashers High-tech circuit interrupters replace circuit breakers for more compact and less complicated wiring harness Improved serviceability, using industry standard AMP and Molex connectors for reduced harness clutter Provides more sophisticated flasher performance (signal cancel on second command, hazards, etc) Water resistant package and connectors for trouble-free operation in all conditions Diagnostic LEDs indicate short/overloaded circuits for easy troubleshooting