RXG-7

anyone know where to find sleepy flip light for fd, next ? my avc-r doesnt turn off when i turn my car off?? the grounds are all correct? what should i check now, or recheck? what do u suggest for a temperature gauge for my engine, i just installed a koyo, new exhaust and a few other things, i want to make sure engine is staying cooler, what kinda gauge where could i mount it? thanks yall i have twp pillar already, boost, and air/fuel,