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Wiring, Electrical & Installation
Fuses keep blowing out on both Amps! Help!
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<blockquote data-quote="Cpyder" data-source="post: 4922889" data-attributes="member: 599745"><p>Okay, so here is my system:</p><p></p><p>2 4x6 Infinity Plate Fronts (462.7cfp)</p><p></p><p>2 6x9 Infinity Rears (693.9i)</p><p></p><p>2 Infinity Reference Subs</p><p></p><p>4 Channel Lanzar Vibe 416 Amp (1000W Max x 4)</p><p></p><p>2 Channel Lanzar Rack Series Amp (1000W Max x 2)</p><p></p><p>(Sorry, I don't know the RMS off the top of my head. I hate max ratings as much as the next guy.)</p><p></p><p>Pioneer DEH-P560MP Head Unit (Soon to be Alpine CDA-9887)</p><p></p><p>Here is the problem: The 4 channel amp worked flawlessly for about 2 weeks. Then I hear an extremely high pitch frequency for about 5 seconds and if I don't turn off the head unit, the 20 A fuse blows on the amp.</p><p></p><p>Problem 2: The 2 channel amp won't accept power, the moment the circuit is complete (hook up the positive 4 gauge wire to the amp's terminal) the 2 20 A fuses blow.</p><p></p><p>Note: The fuse next to the battery is fine.</p><p></p><p>I've tried wiring them separately and the same thing happens. I've taken my car to Best Buy and they checked everything with a multimeter and every voltage, resistance, current etc. checks out. They verified the wiring is correct. I bought a new 4 channel amp and installed it. Same thing happens. (This means the 4 channel amp has nothing wrong with it.)</p><p></p><p>I think I've narrowed it down to 2 problems. The remote line is connected to the fuse box instead of the head unit which might be the incorrect amperage. Can this blow a fuse? (This doesn't make very much sense as I've been running the 2 channel with subs off that remote for 3 years and after the 4 channel was installed, it worked for 2 weeks.</p><p></p><p>Could it be the head unit? This explanation only explains the 4 channel misbehaving, as the 2 channel will blow fuses connected only to positive and negative 12 V supply.</p><p></p><p>So I guess it could be 2 unrelated problems happening at the same time as unlikely as that is. Bad head unit, and the 2 channel is simply broken. (Internal transistor????)</p><p></p><p>Please help if you have knowledge, albeit expert knowledge because I've stumped everyone I've talked to so far.</p><p></p><p>Thanks!</p></blockquote><p></p>
[QUOTE="Cpyder, post: 4922889, member: 599745"] Okay, so here is my system: 2 4x6 Infinity Plate Fronts (462.7cfp) 2 6x9 Infinity Rears (693.9i) 2 Infinity Reference Subs 4 Channel Lanzar Vibe 416 Amp (1000W Max x 4) 2 Channel Lanzar Rack Series Amp (1000W Max x 2) (Sorry, I don't know the RMS off the top of my head. I hate max ratings as much as the next guy.) Pioneer DEH-P560MP Head Unit (Soon to be Alpine CDA-9887) Here is the problem: The 4 channel amp worked flawlessly for about 2 weeks. Then I hear an extremely high pitch frequency for about 5 seconds and if I don't turn off the head unit, the 20 A fuse blows on the amp. Problem 2: The 2 channel amp won't accept power, the moment the circuit is complete (hook up the positive 4 gauge wire to the amp's terminal) the 2 20 A fuses blow. Note: The fuse next to the battery is fine. I've tried wiring them separately and the same thing happens. I've taken my car to Best Buy and they checked everything with a multimeter and every voltage, resistance, current etc. checks out. They verified the wiring is correct. I bought a new 4 channel amp and installed it. Same thing happens. (This means the 4 channel amp has nothing wrong with it.) I think I've narrowed it down to 2 problems. The remote line is connected to the fuse box instead of the head unit which might be the incorrect amperage. Can this blow a fuse? (This doesn't make very much sense as I've been running the 2 channel with subs off that remote for 3 years and after the 4 channel was installed, it worked for 2 weeks. Could it be the head unit? This explanation only explains the 4 channel misbehaving, as the 2 channel will blow fuses connected only to positive and negative 12 V supply. So I guess it could be 2 unrelated problems happening at the same time as unlikely as that is. Bad head unit, and the 2 channel is simply broken. (Internal transistor????) Please help if you have knowledge, albeit expert knowledge because I've stumped everyone I've talked to so far. Thanks! [/QUOTE]
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Fuses keep blowing out on both Amps! Help!
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