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BMW X5 E53 model amplifier not working. Blinking red light appears thru opening of amp. No sound at all. When I disconnect one of the ribbon cables inside the amp , sound does come thru but not clear....any advice

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Ali .send to me i rapair for u is made from becker in boot x5

Posted on Dec 21, 2009

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What causes 2003 bmw x-5 radio for radio not to work but the speakers sound like they are popping

First check to see if one of the positive wirs is touching your ground wire

May 13, 2015 | Car Audio & Video

1 Answer

The green light is flashing and the sub is not working but is not blown

Sounds like possibly the Amplifiers built in protection circuit is active

If you know the speaker is good then check the speaker wires an make sure none of them are shorted out or pinched somewhere touching the metal of the car... if you are using the factory speaker wires then try a new wire ....

worst case scenario could be short inside the amp? but you can easily tell if that is the problem by disconnecting the speaker wires from the amp to see if the light stops blinking

Hope this info helps but cant be exact without knowing what type brand / type Amp you are using

Jun 02, 2011 | Car Audio & Video

1 Answer

My radio in my 2001 x5 bmw stopped working radio light is on but no sound at all

Have you had the battery disconnected recently?

If so then your radio may require a code

Apr 23, 2011 | Car Audio & Video

1 Answer

I having a problem. I installed a s 2000.1 stoker amp . It worked for a bit then cut of and it is giving me a power protection red light and it blinks 8x with the blue power light...can you help please? it...

Under the assumption that you have connected everything correctly: Check to see that the amplifier gain is not to high. Find out how powerful your head unit RCA outputs are (1.2V, 2V, 4V or 5V) The gain control on the amplifier should be set to match the output of your head unit. [The gain on the amplifier is not a volume] Check to see if the GND (ground) is secure Your power cable should be a minimum 4 Gauge, if the power cable is inadequate it could starve the amplifier of the power requirements it needs. Check to see if your speaker cables are coming into contact with metal. This would cause a short. There could be many other reason to. Hope this helps dreamsystems

Feb 19, 2011 | Car Audio & Video

2 Answers

Location and circuits for the radio power amp in a ford taurus wagon

Hi, the amplifier of the Ford Premium sound system is located in the trunk of the Taurus. Open the trunk and locate the amp behind the rear seats. Pull the carpeting away from the rear panel to access the amplifier. Disconnect the cables (power supply, signal cable and turn-on lead) from the amplifier.
Use a Phillips-head screwdriver to remove the four screws on the amplifier mounting bracket and remove the amplifier.
Remove the wiring to the amplifier either by pulling them through the trunk opening or via the panels at the door openings. If you choose to remove the cables from the door openings, you will need to remove the panels on both sides of the Taurus as the power supply cable and signal cables will be routed on opposite sides of the vehicle to prevent interference.

Jan 08, 2011 | Car Audio & Video

1 Answer

Got a red light on amplifire how do you reset amp

There is no reset for most car amplifiers, if you are not getting sound and the red light is a protection indicator then your amp most likely has a blown channel and must be serviced by somebody who knows how to fix your type of amplifier. Some Kenwood amplifiers do have a reset for them since they have a microprocessor in them which is very rare for a car amplifier. Even with the Kenwood amplifiers that have a reset, it is unlikely that it would make your amplifier work again if the protection light is on. Since you gave no information about your amplifier except that the red light was on, I can not give you any additional help. I have been repairing car amplifiers for over 18 years and can assure you that you have an internal problem that will require the replacements of some parts.

Feel free to post any further questions you may have, but please list the make and model number of your amplifier. It would help a lot since not all amplifiers will have the same problems even with the same symptoms. Some types of amplifiers will have certain common failures that others do not.

Sep 20, 2008 | Car Audio & Video

1 Answer

I have hooked up a large amp in my ford ranger and I have turn signal and brake pedal noise (thumps) amplified through my sub

Are you getting the audio to the Amp from the Standard Speaker outputs from your head unit or are you using the low-level (non-amplified) outputs?

Amplifiers need clean (low-level) sound in order to work best. If you're providing audio input to your amp from the standard speaker cables that come out of your head unit, the amp will deliver poor sound quality & often engine noise.

If you're using the low level out's from your head unit, then try the following:

1. Make sure you've got clean power. Connect the Amp's power cable (through a fused link of some sort) directly to your car's battery. Don't attempt to tap in to the power from anywhere else on the vehicle (not only will you likely void your warranty if the car's new, but you'll also run the risk of screwing up your car and getting dirty power to your Amp). Garbage in, garbage out!

2. Make sure you've got a great ground (must be the same size cable as the power, must be securely connected at both ends, must be making a good connection to bare metal - I mean use a steel bristle brush or screwdriver to scrape off paint, clear coat, color, anything other then clean bare metal may not work).

3. Try relocating the audio cables away from power cables (both for the amp and other vehicle electronics). Example: BMW's have the battery in the trunk. The power runs down the right side of the vehicle, under the kick plate below the carpet kit. If you run your audio cable down the right side of a BMW, you're bound to get engine noise from the power cables. It's best to run the audio down the driver's side to avoid ambient noise bleed.

4. If you're sure that both 1 - 3 above are good to go, try getting a noise suppression kit - this company makes some of the best:
Pacific Accessory Corporation

Apr 14, 2008 | Car Audio & Video

1 Answer

Kenwood GE-3i

1 wire might be a remote turn on 4 the lost amp. connect a light tester to the ground wire turn on and off the pre amp and see if the light goes on and off 1 might also be a floating ground wire .

Oct 30, 2007 | Kenwood KSC-WA100 Car Subwoofer

8 Answers


if you have real old wires from the amp to the sub try getting new wires on it. check the little wires that go to the cone itself on the sub. sometimes they can manage to get pulled out of their terminals and make sure that thier touching the terminals on the correct spot

Sep 29, 2006 | JBL GT150 Car Subwoofer

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