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I have a scosche sa550 amp i hook it it instantly goes to overload then thermal instant with no speaker hooked up or rcas what is th prob

Posted by Anonymous on

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6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

hawkwatcher
  • 67 Answers

SOURCE: Rockford Amp - When grounded, both power and thermal lights go off

Well This is a interesting problem. In this amp chassis ground and Power supply ground should be the same. With no power applied measure resistance between amp's chassis and Ground terminal of amp. Should be Continuity (low resistance 1-2 ohms or less ) if not you have a burnt ground trace in the amp most likely because amp had poor ground to Ground terminal and was Drawing its current thru chassis or thru Rca Ground which I have seen happed on this amp in the past. F.Y.I I have repaired lots and lots of Rockford amps usually shorted mehsa bar (output / power supply rails) or burnt traces otherwise pretty tough amps. Questions kstahl65@att.net

Posted on Jan 11, 2008

  • 631 Answers

SOURCE: car audio amp in protection mode

If you power up the amp with the RCAs plugged in, does it go into protection mode.

If you power up the amp with the RCAs plugged in, does the woofer pop?

Posted on Oct 26, 2008

  • 15 Answers

SOURCE: I need help wiring a Scosche SA-500 amp

OK, you run the RCA's from the stereo to the amp. The black is ground and you want this as short as possible. where you mount the amp the ground wire should be no longer then 2 or 3 feet. red is power that you run to the positive post of the battery. you will want to buy a fuse block to this. if there is a power surge this will stop your car from catching on fire(hopefully). lastly should be your constant, this is a blue wire from your radio to your amp. this tell the amp when the radio turns on and off, with out this your amp will stay on and kill the battery. i would recommend buying a amp install kit, their around 35-250 bucks, but they come with every wire you need to install the amp. Hope this helps. you should be able to get a manual on line i would think.

Posted on Mar 17, 2009

  • 22 Answers

SOURCE: no power to amp

you need to hook up the rem wire, that runs from head unit to amp its usaully a blue wire on the head unit and there should be a rem input near where the power leads are on the amp

Posted on Mar 27, 2009

kingkc1987
  • 4 Answers

SOURCE: amp goes dirctly into protect

ok well it could be two thing wrong your amp dont have a good ground or your amp is a smar amp and your subs must have to be hooked up so the power from the amp cn go to the subs so the amp can see that you do have subs hooked up to take it out of protect o and look at your fuses to to smal or to big will send it to protect to

Posted on May 19, 2009

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I have a scosche sa550 my overload light kept coming on then the amp switched to thermal mode. bigger gage wire running from my amp too my sub and yet it still does it what do u think the problem is?


The gauge of the wire isn't going to change anything in the amp. One or more of these is causing the amp to protect itself:
1. The sub has too low an impedance.
2. You're playing louder than the amp was designed for
3. One or more of your subs has a short in it.

Dec 07, 2015 | Car Audio & Video

1 Answer

Hey i have a scosche in-line fuse block i purchased. I haven't had any problems until recently. My fuse fried. So i bought more and went to replace it and every fuse i try instantly fries. i cant seem


Most likely the amplifier you have hooked up to that fuse position is defective and causing the fuse to blow. Or you have a short in the powerline somewhere. Disconnect the power wire from the amplifier, tape up the end so it won't short out to anything. Replace the fuse, if it doesn't blow then you will need to get the amp checked, if it does blow, then you have a short somewhere along your power wire.

Jan 30, 2014 | Scosche Industries Car Audio & Video

1 Answer

Radio works no power to amplifier 1992 ranger


The power goes to your amplifier straight from your battery into your amp so make sure that's good and there's a blue wire behind your radio should say remote you extend that wire to your amp and that tells it when to turn on and of course the rcAs from your radio to amp if it's a stock radio go buy a LOC cause it won't have rcas and to use a LOC well you have to take the speaker wires and hook them up to your rear speakers and then take the rcas from the loc and plug them in the amp but make sure the amp is grounded first

Jan 26, 2014 | Car Audio & Video

1 Answer

Everytime i put a new fuse into my amp the fuses fry instantly.


the fuse is frying instantley because you have a direct short. have you tryed disconnecting the speaker leads from the amplifyer? if disconnecting the speaker leads works then you had a short in your speaker or speaker wire.

Aug 16, 2011 | Scosche Industries Scosche High...

1 Answer

Hooked the damn thing up power my subs wonderfully for that evening, and all day today, got in this evening and nothing, checked the amp and red light, ok, fine, checked the manual, says the light protects...


probably something corssed in your speaker wiring. be sure that you did not exceed the ohmage capabilities of the amp, and that no speaker wires are crossed, or shorting out on the frame. if you have too many speakers hooked up, that can reduce the ohmage, and your not supposed to go below 2 ohms -per channel, or 4 ohms bridged mono.

Mar 13, 2011 | Pyle PLA2200 Car Audio Amplifier

2 Answers

How come it blows 30 amp atc fuse instantly even with the system off


check connections are hooked up properly if it blowin the fuse with it off sounds like something is really wrong on inside get it checked out

Jun 04, 2010 | Kicker KX200.2 Car Audio Amplifier

2 Answers

Thermal light goes away when ground added


Doesn't sound like anything is wrong. If the thermal light is on before you have the ground hooked up then the amp is probably getting a small amount of electrical ground from the shielding on the RCAs or its mounting to the chassis of the vehicle allowing the amp to "barely turn on" (not enough ground). I can imagine this would make the amp think something is wrong (ie: thermal light) . May I suggest that you do not try to turn any amplifier on without ALL appropriate wires connected correctly.

Mar 01, 2010 | Rockford Fosgate Punch P5002 Car Audio...

2 Answers

Wiring the scosche fai-3a to a pioneer two channel amp


the 2 left and right dont matter, it only matters when ur hooking up a 4 channel amp.
all u do is connect one of the channels to it but it would be best o buy a stereo ull have alot of engine nose and vibration on ur speakers and a thump every time u turn on ur car but itll sound ok for now ti

Jul 07, 2009 | Scosche Industries Scosche Slc4 Speaker...

1 Answer

4 subs and two amps


I'm not that familiar with the insignia line but If the amps have an "input" and an "output" for the RCAs then run the RCAs in one, Then hook the output of that one to the input of the other. I did this with my 2 memphis 500Ds and it worked great. It also looks better than a couple of splitters, but yes You would just get two splitters with all female connections on them so you can plug 2 sets of RCAs into the one set. Also it doesn't really matter how you hook the RCAs up unless you are going for stereo sound then you would need to make sure the rights are hooked up together and the lefts are hooked up together. I hope I could help.
-Andrew Hawkins

Jul 22, 2008 | Car Audio & Video

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