Question about Rockford Fosgate 100a2 Car Audio Amplifier

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100a2 amp not getting power

This might be a problem with my deck, but, my amp will not power up at all. I have a good ground and I am definitly getting power but the amp will not power up at all. It is hooked up correctly as far as I know. All cables are brand new. Maybe the remote is not engaging the amp? Any suggestions. Things that I have tried 1. Rewiring everything with brand new wiring 2. Trying both RCA and hard wire hook ups 3. Grounding back to the battery 4. Scratching my head 5. Sticking my finger in a socket to try to get the light in my head to come on.

Posted by Perry Ralston on

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Get a strand of wire and jump it from the power to the remote if the amp does not turn on then take the amp and smash it over and over again because it is fried

Posted on Dec 10, 2007

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One of my wires came out and it touched the amp and started smoking and now when u hook it up it blows the fuse i need some one too fix it r how can i fix it
well first make sure your not pluging the power in the the ground and if that not the issue just toss it ....not worth getting fixed you could probably get a 1000 watt amp for the price to repair

Mar 29, 2010 | Rockford Fosgate 100a2 Car Audio Amplifier

2 Answers

Noise through car speakers when connected to amp
If the subs are making a humming or RPM sound check your ground on the amp , make sure its a good ground. Always run your power wire from battery by itself down one side of vehicle. Groun should be no longer than 2 feet. If that dont help you can buy a noise supresor that goes inbetween your head unit and amp through RCA's with a ground on it . Hope this helps.

Jul 25, 2009 | Alpine MRD-M1000 Car Audio Amplifier

1 Answer

Amp won't turn back on, all fuses fine, all connections good
that sounds like the amp might have a bad ground.

Mar 15, 2009 | Kenwood Car Audio & Video

1 Answer

Power
BATTERY CABLE TO AMP B+
GROUND CABLE TO AMP GROUND
REMOTE WIRE CABLE FROM AMP CONNECTS TO BLUE REMOTE WIRE ON BACK OF CD DECK.
RCA JACKS GO FROM REAR OUTPUT OF CD DECK TO LOW FREQUENCY ON AMP INPUT.

Check Power cable fuse, check ground is grounded to non painted surface.
This is all you need to get it to work. If you still have a problem, then it is a bad capacitor inside the amp

Jan 30, 2009 | Car Audio & Video

1 Answer

When i turn up my radio sounds good but its not too loud so i go to crank it up little bit its like my amp shut"s my deck off like short???
you need to use a cable negative and positive # 4. the proplem you have is a poor ground.

Nov 03, 2008 | Alpine MRD-M605 Car Audio Amplifier

1 Answer

Prot. light at High vol. (forget Bass CD)
You may have the speakers wired for the wrong impedance.

How many ohms per voice coil?

How many voice coils per speaker?

If the speakers are DVC, are the coils of each speaker wired in series or parallel?

Are the speakers bridged on the amp or one per channel?

Jul 06, 2008 | Lanzar VIBE266 Car Audio Amplifier

1 Answer

Humming noise/ feedback
your mixer should be grounded by the power cord, and the decks have a seperate ground wire which connects, usually on a screw terminal, to the mixer, which provides the ground for the decks. I would try the headshells to make sure they are tight and connected correctly also make sure the power socket on the wall is earthed properly.

Feb 19, 2008 | Stanton STR8-150 Turntable

2 Answers

How to instal my deck to a amp and sub
you would need rca cables, power wire, ground wire, and remote wire. it is easiest to just go to your local best buy or circuit city stores and buy the whole set in one package. rca's lead from your decks rca output jacks to your amp, remote wire leads from your decks wiring (blue remote wire that leads to your deck itself to give it remote) or any 12 volt source like where your fuses are located and it runs to the amp also, your power wire will lead from your battery to your amp, and your ground will need a good place somewhere in your car and be bolted or screwed to the frame of your car. this is how to intall your deck to your amp. i assume that you already know that wires will have to be under your carpet or kickboards and such however you run them. i think this covers the basics and i hope i have answered your question right, good luck

Oct 06, 2006 | Alpine CDA-7892 CD Player

2 Answers

Punch 100a2 problem ouch
Without the proper training in electronics , Nowbodys goping to be abl to explain to you the way to trouble shoot something without you knowing the lingo and also what the terms mean and do!. You also need to know how to use a multimeter, an ocilliscope,have load resistors to hook up to the amp . A good power supply . You also will need to know how to read a resistor as the resistor color code. And Know how to test capacitors as well as a solid state device. im sorry i cant help you but I wish it was that easy to do or I wouldnt have went to school all these years. Send the unit into the factory or to a repair shop as you could cause more damage if you short something out by accident. Good Luck

Jul 31, 2006 | Rockford Fosgate 100a2 Car Audio Amplifier

1 Answer

Connection
schematic & instructions on deck red (+) - power - 2 amp's power inlet power (+) black (-) - ground - 2 amp's power inlet ground (-) deck yellow wire - remote - 2 the remote amp deck outputs 2 the RCA amp inputs amp RCA outputs 2 speakers it is wise that a pro will install the system it will give u less concerns and u will have warranty on the installation this will save u the money u will spend for fixing a bad installation

Feb 03, 2006 | Jensen A300HLX Car Audio Amplifier

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100a2 Car Audio Amplifier

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One of my wires came out and it touched the amp and started smoking and now when u hook it up it blows the fuse i need some one too fix it r how can i fix it

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