ocassionally when i start my car it won't start, the car acts as if the battery is dead. It's been doing this for 8 years every so often. To fix it i open the hood and move the battery a little by the ground cable i go back in the car and everything is normal, sometimes i've got to do this more than once but eventually it will start normally. The ground is tight to the battery, it appears to be tight to the car, could a different ground be causing this problem? why does it only happen once every few months?

 

it might be a bad main relay, its a common problem for hondas.
do a search for the "main relay", you'll find a bunch of info on how to listen to the sounds of the relay in order to diagnose whether its good or not. good luck

 

If you are using stock honda battery terminals, I suggest switching to different ones. For some reason the neg terminal does not connect just right. I have this issue when I remove my battery sometimes. I clean the terminals of any corrosion and tighten them back up when they are hooked to the battery posts and they are good to go.

Main relay has nothing to do with when you turn the key you have limited or no juice.