no ground on head unit but works?
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=4946
Printed Date: July 27, 2025 at 7:05 AM
Topic: no ground on head unit but works?
Posted By: monteman
Subject: no ground on head unit but works?
Date Posted: October 29, 2002 at 9:55 PM
My girlfriend has a 94 mazda mx3 with a pioneer deh-p6000 head unit. I pulled it out last week to find out that there was no ground connected but it still works why is that and does it need to be hooked up even though it still works
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monteman
Replies:
Posted By: PLAYER69
Date Posted: October 29, 2002 at 9:59 PM
It's gounding through something else. Possibly antenna. Hook up that ground as it is feeding back through something else and could potentially cause a lot of damage.
Posted By: 91blaze
Date Posted: November 04, 2002 at 11:57 PM
yeah its probably the antenna. ground it, it should help it run a little cooler and youll avoid any possible voltage drop.
Posted By: crraig wilson
Date Posted: November 05, 2002 at 10:28 PM
most mazda's are ISO mounted decks .when you use a ISO bracket it grounds the deck you are mounting to chasis ground.plus it can ground thru the antenna.like everyone else says still ground the wire..............
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craig wilson
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