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<blockquote data-quote="audiobaun" data-source="post: 8404838" data-attributes="member: 634282">Just because the Power light isnt present does not always mean that the amp is not working, but that it may be possible that the lamp could be burnt out, in which may not effect the performance of the amplifier. I have an old Alpine Duo-B 3525,and the power light needs to be replaced, but has still performed for me just fine for the last ten years. Might see if it works hooked up to your speakers/sub to see if it performs at all since you have determined that you have power from the source.The ground location for the amp isnt a good solid ground by the pics presented,as well as the Battery post connection looks as if it needs to be cleaned/reomove the Oxidation, and freshen up/clean the post connection as well,will help for a better connection.Have you checked to see if you have any power off the Terminals with the DMM as its powered up?That would be another test before hooking up any speakers to be on the safe side..I generally try a speaker onall post to see if Im getting anything at all</blockquote>

[QUOTE="audiobaun, post: 8404838, member: 634282"] Just because the Power light isnt present does not always mean that the amp is not working, but that it may be possible that the lamp could be burnt out, in which may not effect the performance of the amplifier. I have an old Alpine Duo-B 3525,and the power light needs to be replaced, but has still performed for me just fine for the last ten years. Might see if it works hooked up to your speakers/sub to see if it performs at all since you have determined that you have power from the source.The ground location for the amp isnt a good solid ground by the pics presented,as well as the Battery post connection looks as if it needs to be cleaned /reomove the Oxidation, and freshen up/clean the post connection as well,will help for a better connection.Have you checked to see if you have any power off the Terminals with the DMM as its powered up?That would be another test before hooking up any speakers to be on the safe side..I generally try a speaker onall post to see if Im getting anything at all [/QUOTE]

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