I have a pioneer amp that I accidently shorted one of the speaker wires together, and the amp says power off when i turn it on. Will it reset its self? or is there a reset switch or is there a blown fuse?
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you need to wire each sub down to 2ohms then wire them together like the one in this pic http://m.seimg.net/product/img/subwoofer_wiring/2_subs_DVC_4_ohm_mono_variation2.jpg witch will give you 1ohm so you will be getting every bit of power that amp has but you should get a bigger amp for thos speakers
The screw through the speaker wire caused a dead short and turninged it up loud, you may have fried the capacitors on the output side of the amp circuit. It is easy to tell if you open the amp up, but do so with it disconnected and out of the car. The tops of the caps may be split or bulged. It is worth fixing in my opinion.
Hello sir, hi, YOU DON'T bridge no more speakers, this upsets the impedance load of the amp. to install another sub-woofer, get another amplifier. You may have damaged your power amplifier, If you experience repeated fuse blows, your power amplifier is now SHORTED. This needs IC amplifier replacement.
If the amp is in protect mode, it probably has shorted output transistors. To eliminate other possible problems, do the following. I'll assume that you've checked the amplifier's on-board fuses.
With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp (not on the point where the ground wire connected to the vehicle) and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.
If the voltage remains near or above 12v, disconnect all speaker wires from the speaker terminals of the amp and disconnect signal cables from the amp. If it powers up, the wiring needs to be checked. If it still shuts down, the amp almost certainly has shorted output transistors and will need to be repaired.
ok first the large red is battery connection, black large is ground find good source to ground, the 0.75 is most likely the power on for the amp you should hook it up to the power antenna wire on the radio. this will turn on the amp when the radio is turned on. the grey green and black are prob speaker hook ups input. the four wires are speaker outs, the red wire might be power for cd changer test it to see if it puts out power when amp is on.
The woofer or the wiring may be shorted. Remove the speaker wires from the terminals of the amp and power up the amp. If it powers up, check the wiring and the speaker. If it still goes into protect, the amp may be defective. A short in the wiring or speaker can damage a brand new amp.
It sounds like you may have a speaker wire shorted to ground. This could trigger the protection circuit. Check all wiring including the area behind the 6x9s to make sure that nothing is shorted to metal/ground. If you can't see any shorts to ground, use an ohm meter to check the wires.
Disconnect the wires from the amp and measure the resistance between the speaker wires and chassis ground. Ideally, they should show infinite resistance. If you read anything other than infinite resistance, trace all wiring to find the short.