Question about Rockford Fosgate P3001 Car Audio Amplifier

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Amp clickin on and off

Thanx for all your help your advice was a great help here in later months i will in stall a second battry and put in a capacitor just for my stereo equipment i'm makein a show car u can go to cardomain.com and search 98nightstalker to seen what i've done so far once again thankx

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Sweet ride. Sucks about the left side.

This is my baby. A '75 Dually Blazer.

amp clickin on and off - 7723fe5.jpg

Glad I could help.

Your problem is still classified as unsolved. If you get a moment could you close it out (and of course click on that rating thing)

Thanks,
Mike

Posted on Jul 14, 2008

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2 Answers

This is my second lanzar 1500 wat amp in 4 months lights up but no sound


I suggest you double check all connections and cables.
A thumbs up would be greatly appreciated if this answer is helpful to you. Lanzar

Nov 26, 2013 | Lanzar Car Amplifiers

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I just had this thing running maybe a month ago no problems nothing working great. now about a month later its turning on then going off i seriously am retarded when it comes to this **** i had it hooked...


Hello bloodyspokes, For the amp to go immediately into protection, something is probably shorted, grounding out, or not grounding properly. First, remove and check the 40A onboard fuse just left of the power/ground/remote terminals. If the fuse is OK, disconnect the speaker wires and try powering up. If it powers up OK, check the speakers and wiring. If it doesn't, disconnect the inputs and try again. Check the grounds of both the amp and your receiver. If these check OK and the amp is still not powering up properly, it's most likely an internal component failure and the amp needs service. Hope this helps.

Jun 03, 2009 | Kenwood KAC-7202 Car Audio Amplifier

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Kicker 550.3 amp will not power up


do u have the remote wire hooked up to the (rem) spot usally inbetween the pos and neg?

Mar 15, 2009 | Kicker ZR360 Car Audio Amplifier

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No light on Alpine MRP-M1000


Ok. Have you check the Ground and the Power connection.

Jan 25, 2009 | Alpine MRP-M1000 Car Audio Amplifier

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Amp powers up, then shuts down 15 seconds later...


Which lights are lit on top of the amp when you power it up?

Which ones light up during the 15 seconds that it's on?

Are you running a signal sensing system or are you turning the amp on via the remote lead?

Is the signal sensing switch set to on or off?

Sep 02, 2008 | Jl Audio 500/1 Car Audio Amplifier

1 Answer

Amp clickin in and out


As long as there is power to the Remote terminal, the amp is on.
If the rest of the system is off, the amp probably won't suffer, but why take a chance. Also, it will drain your battery overnight.

Put a switch in there somewhere. Make sure you can cut the power.

Great job on the click fix.
This does change my view of your original problem though.
Your description covered every symptom of power starvation.

The Remote is the amps 'On' switch.
Put +12v to the Remote, the amp turns on.
It's how the head communicates with the amp.

If the head units Remote Out was experiencing either an intermittant connection to the amp (loose wire, intermittant short) or power fluxuations of it's own, that would produce symptoms similar to power starvation (clicking off, coming right back on). Only it would be random.

Your Bass vs. Volume observations would also have been random. They weren't. You were able to reproduce the problem at will.

You probably have a multimeter handy.

Since running a hot lead to the remote terminal on your amp stopped the constant 'restarting', the next step is checking the Remote wire (condition and voltage) going from the head to the amp.

Start at the amp. Connect the negative lead to a ground. Connect the positive lead to the remote wire coming from the head unit. I assume you disconnected it from the amp. It shouldn't matter.

When the head is on, it should be +12v.

With the meter still connected, slowly turn up the bass.
Then the volume. The voltage should remain constant no matter what.

This has been mostly FYI.
Rule #1: If it ain't broke, don't fixit.

Feel free to contact me with any other questions, problems or just to show off.

Great job
Mike

Jul 12, 2008 | Rockford Fosgate P3001 Car Audio Amplifier

1 Answer

Amp clickin in and out


Had a similar problem, mine was a power problem.
Power meaning voltage.
Those big bass speakers draw lots of power. My original alternator couldn't keep up.

Question: Do your headlights dim in rhythm to the bass hits?

If so, your sound system wants more power than your vehicle is producing.

My first solution was a high output alternator. It worked great.

Then I added another amp. Not great anymore.

My second solution was to tie in a large capacitor to the amps power supply. (These a big (1 farad), about the size of a Pringles can)

Your amps power consumption is not uniform. Each time your amp punches the bass, it draws extra power. If that power isn't available, it starves and shuts down (if only for a second) then restarts.

The higher the gain, especially using a low pass filter, the more power needed for each thump. Thats why when you turn the bass down, you can get higher volume from the rest of the system.

How a capacitor can help (simply put):
In this application, the capacitor acts like an auxiliary battery, smoothing out power fluxuations. The capacitor builds up its charge literally between bass hits when power demand is low. Then releases it's charge when the demand is high. Think of it as an on-demand power boost.

Hope this helped

Mike


Jul 10, 2008 | Rockford Fosgate P3001 Car Audio Amplifier

1 Answer

Cant get the red led light green again


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.

Mar 11, 2007 | Pioneer GM-232 Car Audio Amplifier

2 Answers

Sony Xplod 1000 watt car amp quit working.


Almost all after market amps use 12v at very very low amperage to trigger the amp on. A temporary jumper from the battery plus terminal on the amp AFTER the battery and ground wires are attached should cause the amp to turn on. I would check to see if you have attached your speaker load correctly ESPECIALLY if you are bridging. Most of the blown amps that come into my shop are due to incorrect bridging loads from the speakers. Note that a 4ohm load bridged across both outputs of an amp will deliver a 2ohm load to each of the channels. When you parallel wire two 4ohm speakers together and then attached them to a bridged amp you will be putting a 1 (one) ohm load to each channel of the amp. Please don't make this mistake. It will fry your amp in about a month. Hope this helps. Good luck.

Feb 03, 2007 | Sony Xplod XM-1652Z Car Audio Amplifier

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