Trying to idiot proof 2010 civic, so headlight will be on ONLY when engine running....no more accidently leaving lights on and drain the motorcycle sized skinny battery in 1 hour!
Normally this can be done by connecting the coil of headlight relay to IGNITION 12 V instead of CONSTANT (Battery) 12 V....done it on a Hyundai Elantra.
Unfortunately, I can not even find headlight relay .....it is none of the relays in the engine comparment fusebox.
Must be inside the cabin, underneath some hard-to-reach non-accessible place !
Any suggestion ?
Thanks!