Which Battery Post Is Grounded. Because you wont get a complete and closed circuit without a ground. So each battery negative is connected to the.

I actually seen a customers vehicle burn up for that reason. For the purpose of a car stereo you dont need any ground. The battery should have a - for negative on the negative post usually a black cable going to it a for positive on the positive post usually a red cable.
5 hours agoChung who played with the Patriots from 2009 to 2012 and then again from 2014 to 2020 retired from the NFL.
If youre ever unsure as to which is grounded on a car just connect the battery charger clamps directly to the battery terminals. Because you wont get a complete and closed circuit without a ground. To have equivalent resistance between the battery ground and your equipment ground the cross sectional area of the steel has to be about 10x the cross sectional area of the copper and the total path length has to be similar. Ground to chassis or no.

