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<blockquote data-quote="thedrewster08" data-source="post: 6744315" data-attributes="member: 620641">Hi everyone, im new but I have had my system for a couple years now. I drive a &#039;93 Shadow ES with a 12&quot; Pioneer and a Sony GT120 head unit. Yea, I know, its all cheapodepot crap, but I got it dirt cheap when I worked at Circuit City, and it sounds decent in my small car.Anyway, I am starting to have a problem with my system recently. When I first installed my head unit, I encountered a problem where my cars electrical setup was a &quot;common ground&quot; configuration, which made my head unit display &quot;FAILURE&quot; and the fade/balance could not be adjusted without the head unit crashing. I talked to a few people and they said to eliminate the head units ground through the wiring harness and to use the antenna input as a ground instead. It worked and everything was smooth sailing.However, in the past 6 months or so, I am encountering an extremely angering problem and I dont know where to start troubleshooting. My head unit will turn itself off under different circumstances. It mostly occurs when I use my turn signals or apply my brakes. Sometimes it reacts to me playing with me heater/AC. Sometimes it gets into fits where it turns on and off rapidly for 30 seconds or so without me even doing anything. It almost sounds like something is loose, but I have inspected the harness and connections and everything is visually ok. These occurences get even worse when I drive on the freeway, which makes no sense.So do I have a ground problem to my HU, or an electrical short somewhere in my electrical system? Any ideas are appreciated.</blockquote>

[QUOTE="thedrewster08, post: 6744315, member: 620641"] Hi everyone, im new but I have had my system for a couple years now. I drive a '93 Shadow ES with a 12" Pioneer and a Sony GT120 head unit. Yea, I know, its all cheapodepot crap, but I got it dirt cheap when I worked at Circuit City, and it sounds decent in my small car. Anyway, I am starting to have a problem with my system recently. When I first installed my head unit, I encountered a problem where my cars electrical setup was a "common ground" configuration, which made my head unit display "FAILURE" and the fade/balance could not be adjusted without the head unit crashing. I talked to a few people and they said to eliminate the head units ground through the wiring harness and to use the antenna input as a ground instead. It worked and everything was smooth sailing. However, in the past 6 months or so, I am encountering an extremely angering problem and I dont know where to start troubleshooting. My head unit will turn itself off under different circumstances. It mostly occurs when I use my turn signals or apply my brakes. Sometimes it reacts to me playing with me heater/AC. Sometimes it gets into fits where it turns on and off rapidly for 30 seconds or so without me even doing anything. It almost sounds like something is loose, but I have inspected the harness and connections and everything is visually ok. These occurences get even worse when I drive on the freeway, which makes no sense. So do I have a ground problem to my HU, or an electrical short somewhere in my electrical system? Any ideas are appreciated. [/QUOTE]

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