Hello everyone, just got my Fit yesterday and I really like everything about it except the radio. It needs more power. So I will be putting in a system like all of you guys. My question is where did you ground your amps and other electronics? I read seat and seat belt bolts aren't good spots to ground too. I did a search and couldn't find anything specific to this question. I am figuring the amp will prolly be 600 watts RMS.

As a side note, I am thinking about getting rid of the small battery up front and putting a bigger battery in the back. Anyone know big of a gauge wire I would need to run from the fron to the back? And will this size wire fit through the ecu grommet area in the firewall?

 

I followed the second video on this page to ground my amp. I just grounded it in the trunk

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