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Head Unit Blowing Fuses
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<blockquote data-quote="KaeZoo" data-source="post: 553865" data-attributes="member: 554753"><p>Before you put a new head unit in, check the resistance of all your speakers. I once saw a vehicle that went through a couple Pioneer head units because one of the speakers had a shorted voice coil. It showed almost no DC resistance when tested with a multimeter. Over time it damaged each of the head units, after blowing both vehicle fuses and head unit fuses. We didn't catch it early because my idiot co-workers tried just replacing fuses with larger ones, instead of tracking down the real problem.</p></blockquote><p></p>
[QUOTE="KaeZoo, post: 553865, member: 554753"] Before you put a new head unit in, check the resistance of all your speakers. I once saw a vehicle that went through a couple Pioneer head units because one of the speakers had a shorted voice coil. It showed almost no DC resistance when tested with a multimeter. Over time it damaged each of the head units, after blowing both vehicle fuses and head unit fuses. We didn't catch it early because my idiot co-workers tried just replacing fuses with larger ones, instead of tracking down the real problem. [/QUOTE]
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