headlights dimming - Toyota Yaris Forums

YarisSedan · 12-27-2009, 01:04 AM

I am running a 200W 4 channel amp and i get some mild occasional dimming. And you are running more than 3 times more than me lol so maybe so. If your bass is dipping into the battery constantly its going to take its toll and wear out faster and then your symptoms are going to progressively worse like what you have now. Maybe try taking it to auto zone to have them load test it for you. They do sell deep cycle batterys there too.

I had this issue with my acura when i was running 2 high powered amps. I went through 3 different batterys within a years time. Finally just went and upgraded my altenator and my battery to a optima. That cured most of my problems.

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12-27-2009, 01:04 AM	#4
YarisSedan Drives: 08 Yaris Sedan Join Date: Oct 2008 Location: California - Bay Area Posts: 2,773	I am running a 200W 4 channel amp and i get some mild occasional dimming. And you are running more than 3 times more than me lol so maybe so. If your bass is dipping into the battery constantly its going to take its toll and wear out faster and then your symptoms are going to progressively worse like what you have now. Maybe try taking it to auto zone to have them load test it for you. They do sell deep cycle batterys there too. I had this issue with my acura when i was running 2 high powered amps. I went through 3 different batterys within a years time. Finally just went and upgraded my altenator and my battery to a optima. That cured most of my problems.