After installing LED turn signals in the front of my 2004 Toyota Corolla, my flasher unit thought I had a burned out bulb. This is indicated by a "hyper-flash" (hyperflash, hyper flash), basically a ...

Everything was going fine until we got the LEDs installed and went to test the turn signals in the driveway. Nothing-no blinking, no flashing, no nothin'. Perplexed, we retraced our steps, ...