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My system keeps killing alternator(S) need help!!!
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<blockquote data-quote="66novals3" data-source="post: 8554066" data-attributes="member: 672504"><p>Thanks for the reply. I completely agree with you. despite returning the red tops, I have no idea what to use now. I think agm batteries do not agree with my truck/system. it has been a battle that Im over, Im considering just going back to a regular old lead batteries. I also agree about the dual alt setup. I cannot find anyone that's knowledgeable on the subject. I have stumbled upon aviation information where they use a controller to load share. when testing the upper alt with a smaller pulley is the primary alt. eventually the upper shuts its self off and the lower takes over. this happens around 1700-2000 rpm. I have ordered two identical pulleys but I think with running two alternators and realizing nothing is perfect the units will never run perfectly load sharing.</p><p></p><p></p><p>Thanks for the reply, at this point I don't know what batteries to use. I did replace both of the alternator connectors and everything in the alternator field circuits test okay. both alternators pass a diode test on my carbon pile and the lower secondary alternator as of last night is dead out of the water. the top one is putting out 100 at idle and 160 at 1500. he seems to be working well, at the moment. high idle mod?? do explain?</p><p></p><p></p><p>That's the thing, the batteries don't show a dead cell. but even having 100 amps at idle the voltage does not raise to 14. it just hangs at where they were statically.</p><p></p><p></p><p>The truck always starts like a champ with theses batteries, I wish I knew the reasoning for the repeat failures. that was kind of my idea of bringing them to a auto electric shop but now I feel like I just got taken for a ride. At this point I am considering a) install the same pulleys and see if they will in fact load share or B) separating the systems and buying a single battery for the audio or c) returning the batteries and alternators and buying a single mechman or similar alternator. knowing I have a junk lower alternator makes me want to head towards option C.</p><p></p><p>Which option would you pick?</p><p></p><p>if you chose option b what battery would you purchase for the audio alone at 1600 rms?</p></blockquote><p></p>
[QUOTE="66novals3, post: 8554066, member: 672504"] Thanks for the reply. I completely agree with you. despite returning the red tops, I have no idea what to use now. I think agm batteries do not agree with my truck/system. it has been a battle that Im over, Im considering just going back to a regular old lead batteries. I also agree about the dual alt setup. I cannot find anyone that's knowledgeable on the subject. I have stumbled upon aviation information where they use a controller to load share. when testing the upper alt with a smaller pulley is the primary alt. eventually the upper shuts its self off and the lower takes over. this happens around 1700-2000 rpm. I have ordered two identical pulleys but I think with running two alternators and realizing nothing is perfect the units will never run perfectly load sharing. Thanks for the reply, at this point I don't know what batteries to use. I did replace both of the alternator connectors and everything in the alternator field circuits test okay. both alternators pass a diode test on my carbon pile and the lower secondary alternator as of last night is dead out of the water. the top one is putting out 100 at idle and 160 at 1500. he seems to be working well, at the moment. high idle mod?? do explain? That's the thing, the batteries don't show a dead cell. but even having 100 amps at idle the voltage does not raise to 14. it just hangs at where they were statically. The truck always starts like a champ with theses batteries, I wish I knew the reasoning for the repeat failures. that was kind of my idea of bringing them to a auto electric shop but now I feel like I just got taken for a ride. At this point I am considering a) install the same pulleys and see if they will in fact load share or B) separating the systems and buying a single battery for the audio or c) returning the batteries and alternators and buying a single mechman or similar alternator. knowing I have a junk lower alternator makes me want to head towards option C. Which option would you pick? if you chose option b what battery would you purchase for the audio alone at 1600 rms? [/QUOTE]
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My system keeps killing alternator(S) need help!!!
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