Over christmas break i wired an amp with one sub in my car, worked great for the month i was home. I went back to school in january without my car and came back 3 months later and the subs dont work. The led light is red, I've checked preamp issues, (fuses, pinched wires, ground), even switched the fuses even though they were fine and still have the same problem. Im hopin its not an internal issue with the amp so hopefully someone can help
Disconnect all input and output cables and check. If the light stays red, it suggests an internal error. If not, proceed by first connecting the Sub wires and checking, then the input RCA's and checking. Remember to switch off the system before connecting/disconnecting, I suggest also removing fuses during this process.
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You will need to ask your question of the electric power utility which supplies the school with electricity (in South Africa?)
Perhaps the rate for electricity has increased drastically lately. Have you compared the usage from the previous month (kilowatt hours) with the same time period the previous year? If the usage amount from 12 months prior is similar to the usage amount in the previous month, then it is clear the rate per kilowatt hour increased significantly. I am answering from the USA where we receive advance notices of electricity rate increases.
Or, has the usage amount (kilowatt hours) increased greatly? If the usage amount increased significantly, then, there has been an increase in electricity consumed. Have more electrically-run computers or other equipment been added in the school? Are school staff and students recharging their personal portable electronic devices with school electricity and not at home? Is there suspicion that someone or some entity is pirating school electricity?
By the way, Fixya.com is intended as a website for questions and answers on how to go about REPAIRING _THINGS_. Plus, your question landed in a Fixya category for Computers & Internet and not one relevant to electric power utilities.
Many cars have the cooling fan on a thermostat or time delay, to allow it to run for a short period of time after the engine turns off, to cool the engine off. You may have just never noticed it before. So I wouldn't worry about that. Your real problem is the blowing fuses, apparently you have a short somewhere in your wiring. Putting in bigger and bigger fuses is a great way to set fire to your wiring harness. It's possible that the wire is pinched or chafed somewhere, and perhaps when you hit a bump just right, it touches and shorts. You may have to take this to the Chevy dealer or a GOOD independent shop to have them chase it down. Unless someone out there knows exactly what this is, it could be a tough one to find.
**First thing is verifying that the powerlight is lite up, this shows that it is receiving power and is grounded properly.
**Next thing you need to ensure is that the remote wire is connected properly on both the head unit and the amp.
**Third Make sure the RCA wires are all connected properly, try jiggling them around on the amps end to make sure there not just shorting out.
**Check all fuses related to the amp to make sure all the channels are working properly. (Applys to amps with multiple channels and fuses)
If all these things are fine, then the sub could very well be blown. Did you have it up loud before it stopped working ? You said it was working fine then just went all quiet, did the head unit power down as well ?
Post back with any further info or questions so that I can assist you further.
try to check and clean the wiring as clean as possible to avoid messing up on your connection. Check the polarity of you subs to yuor amp if you have it connected on the outher way around it would not give you a good result. check the polarity this will solve your problem. Over powering your sub will fry it easily try to tune it a 10" sub wont give you a 15" performance..
you've spent alot of money on **** by the sounds of it!!. you should only ever run multiple subs the same brand, power and resistance you can just connect any old subs to a system you need to wire them depending on the load that the amp needs to see. first thing is to try the amp/s on a individual sub to check your amps still work once done check the subs 1 by 1.
you most likely mess up you wiring... im not sure what ohm resistance your subs are, but if its 2ohm or 4ohm you wire straight foreward one sub all positive wires to left positive, all negitive to left negitive, and the same with sub 2 to the right terminal. BUT if your subs are 8ohm then wire it with all positives from both subs to LEFT positive and wire all negitive wires to RIGHT negitive... and see if that helps and good luck!