NHRA Battery Rules

[Run to Rund]

Originally Posted by George Mirza

The master switch on my car has never shut the car off, only the accesories hooked to it. I always started and ran my car with the front battery and alternator. The rear battery was used for cooling only and not tied into the charging system.

You can shut off the engine with the cut off switch by wiring the MSD trigger through it. I also run a 4 gauge alternator hot wire, back to the switch.