Audio Help

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2002 Mazda P5
Hey guys I just got the wiring kit and I cant find anyplace to go though the firewall, Is there any help where to go threw or do I have to drill it and wheres the best location to drill though the firewall.
 
My inital response would be find a grommet on the firewall with wires coming thru looking under hood or under car & go in thru there. Not sure where all are or what would be convenient to what you're doing.
 
There ya go, that's the grommet I'm gonna be sending my gauge wiring thru. Didn't know which one may be convenient for what you're doing.
 
wow it took me way to long to find this thread....who ever said the search function is your friend lied lol....how to install amp, amp install, power wire through firewall.
 
There's a spot under the passenger side dash that has a huge grommet around some wires (don't know what they do)
you can cut through the grommet the same way the link above does.

Its a much larger opening, you can def fit a 0ga through.

This is for the P5 I dunno about other models
 
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