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<blockquote data-quote="ax600" data-source="post: 1169835" data-attributes="member: 559816">Hello all,So last night I was driving home from my shop booming some old school Bass 305 , when my mids and tweeters all of the sudden made hideous noises and sent two of my PPI amps into protect mode.I pulled over and opened the hatch of my Explorer only to notice that the voltage on my seccond battary was all the way down to eight volts:crap: .With the engine running and a HO alt the battary will not charge any more than eight volts. I went home and started testing everything with a VOM , and found that at the alt I have 17.5 volts. At the isolater I have 16.8 volts. But at the terminal on the isolater for the seccond battary I only have 9volts unless I disconnect the cable for the seccond battary then I have 16 volts:crap: . WTF Is going on I have checked all of my power and groung connections and they are all secure.I am planning to run a sepirate 1/0 from the front batt to the rear batt for the ground to see if that helps tonight. I have allready done the big three and I have been using this system for two weeks with no problems. Has anyone had this problem? Please help Thank you in advance.</blockquote>

[QUOTE="ax600, post: 1169835, member: 559816"] Hello all, So last night I was driving home from my shop booming some old school Bass 305 , when my mids and tweeters all of the sudden made hideous noises and sent two of my PPI amps into protect mode. I pulled over and opened the hatch of my Explorer only to notice that the voltage on my seccond battary was all the way down to eight volts:crap: . With the engine running and a HO alt the battary will not charge any more than eight volts. I went home and started testing everything with a VOM , and found that at the alt I have 17.5 volts. At the isolater I have 16.8 volts. But at the terminal on the isolater for the seccond battary I only have 9volts unless I disconnect the cable for the seccond battary then I have 16 volts:crap: . WTF Is going on I have checked all of my power and groung connections and they are all secure. I am planning to run a sepirate 1/0 from the front batt to the rear batt for the ground to see if that helps tonight. I have allready done the big three and I have been using this system for two weeks with no problems. Has anyone had this problem? Please help Thank you in advance. [/QUOTE]

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