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install new headunit in car - fail
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<blockquote data-quote="vanaxel" data-source="post: 8193391" data-attributes="member: 658652"><p>hi guys,</p><p></p><p>Ok did the MM test today. When OFF, Constant reads 12.4V and ACC 0.7V. When in ACC, Constant reads 12.2V and ACC 12.4V. Tested GND using the metal chassis and the GND cable and they both give the same reading so the grounding should be OK.</p><p></p><p>Another thing, when I had initially shorted the wires by mistake, the fuse on the car blew and had to be replaced but the fuse on the headunit was fine. Shouldn't both fuses blow since the current is flowing along the same wire?? Its an unbranded unit off ebay from China.</p><p></p><p>With am guessing it means the cables are all good but the HU might be faulty? :|</p></blockquote><p></p>
[QUOTE="vanaxel, post: 8193391, member: 658652"] hi guys, Ok did the MM test today. When OFF, Constant reads 12.4V and ACC 0.7V. When in ACC, Constant reads 12.2V and ACC 12.4V. Tested GND using the metal chassis and the GND cable and they both give the same reading so the grounding should be OK. Another thing, when I had initially shorted the wires by mistake, the fuse on the car blew and had to be replaced but the fuse on the headunit was fine. Shouldn't both fuses blow since the current is flowing along the same wire?? Its an unbranded unit off ebay from China. With am guessing it means the cables are all good but the HU might be faulty? :| [/QUOTE]
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install new headunit in car - fail
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