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Wiring, Electrical & Installation
Crackling sound in all loudspeakers even after replacing old ones
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<blockquote data-quote="Michkin" data-source="post: 8855169" data-attributes="member: 689584"><p>At the end I decided to take the dashboard out, since I also had to solve a problem with the heater core. Upon inspection, I could not find any faulty cable. I tried all possible combinations of loudspeakers (tweeters, door, rear, left, right) and the problem persists. I checked again that the battery feed is over 12V and that the key feed works as well. Both drop to some 11.3V when turning the ignition. I could also measure that the HU output -to both front and rear loudspeakers- is around 6.2V. Is this a good value? Both the HU and front loudspeakers are brand new Alpine.</p><p></p><p>I'm running out of ideas.</p><p></p><p>Maybe worth mentioning that while dismanteling the dashboard the radio stopped working due to a blown fuse. This fuse is shared between the radio and interior lights.</p></blockquote><p></p>
[QUOTE="Michkin, post: 8855169, member: 689584"] At the end I decided to take the dashboard out, since I also had to solve a problem with the heater core. Upon inspection, I could not find any faulty cable. I tried all possible combinations of loudspeakers (tweeters, door, rear, left, right) and the problem persists. I checked again that the battery feed is over 12V and that the key feed works as well. Both drop to some 11.3V when turning the ignition. I could also measure that the HU output -to both front and rear loudspeakers- is around 6.2V. Is this a good value? Both the HU and front loudspeakers are brand new Alpine. I'm running out of ideas. Maybe worth mentioning that while dismanteling the dashboard the radio stopped working due to a blown fuse. This fuse is shared between the radio and interior lights. [/QUOTE]
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Crackling sound in all loudspeakers even after replacing old ones
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