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I just installed a car amplifier, but now my car alarm goes off after I screw the negative terminal into the battery, why is this happening?

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Loud noise from subs amp is grounded well

Check the output of the amplifier with the input connections disconnected. Does the sound go away??

If it does, then connect each input one at a time and see what happens. If the sound appears, then do the following:

The ground connection on RCA connectors don't always make a good electrical connection. This is the outside ring. If the RCA connector goes in easily, the the outside ring should be compressed slightly to garantee a snug fit. Do all of the RCA connectors, at the amplifier end and at the radio end.

It could be the way that the amplifier was installed. the ground lead should run directly to the battery NEGATIVE terminal. This will greatly reduce noise produced by other equipment.

Jan 31, 2015 | Car Audio & Video

1 Answer

I am trying to replace the battery for a '97 Suzuki Sidekick. The battery terminals were so corroded, I had to cut the wire and put on some universal terminals. There are two wires for each terminal-

This happens in the shop all the time. It is not necessary to remove the alarm if you have the remote for the alarm. Simply hook the battery up and press the button to turn the alarm off.

Nov 23, 2011 | 1997 Suzuki Sidekick

1 Answer

Can i by bypass my car alram

The car alarm on your 2000 Windstar minivan is wired into your van's battery. When you are making a repair to your car such as a battery change out your alarm can go off. You can easily disable the Windstar's car alarm by disconnecting the battery from the alarm. The battery is connected to the Windstar battery's negative terminal. Disconnecting the terminal from the battery will disable the alarm.

  • Socket wrench
  1. 1 Raise the hood of the Windstar to gain access to the battery.
  2. 2 Loosen the negative battery terminal labeled with a "-" with a socket wrench.
  3. 3 Disconnect the terminal from the battery to disable the alarm system.

Dec 12, 2010 | 1999 Ford Windstar

2 Answers

Where is the negative battery cable connected on the battery of a 1993 lincoln continental town car? There are three cables and where are they all connected? thanks. Barb

The posative cable is red and/or has a + sign on the batterey terminal. The negative terminal is on the opposite side, and is black and/or - sign. The third is most likely a ground that goes from the negative terminal to something metal on the engine, just follow it.. It is possible that the third wire goes to an alarm or radio, or some device that requires power like an installed radar detector or GPS. If this is the case then it should have a fuse betwwen it and the battery, and sometimes it is in the device itself.

Jan 15, 2010 | 1993 Lincoln Continental

1 Answer

How do i install it it was a hand me down with no instructions

in general

the positive terminal is connected to the positive of the battery

the negative terminal is connected to a metal grounding point on the car ( find a metal spot on the car to connect the negative terminal of amplifier)(do not connect it to the negative side of the battery)

the remote terminal connects to either the remote line from the back of the radio blue and white wire

if the radio does not have a remote wire then use the red wire which is the acc (check this against your car wiring)

the speakers are simple connect the positive of radio to positive terminal ect

and the input comes from the radio as a phono jack connect that to the input of the input of the amplifier right left ect ect also if the radio has only left and right then you need a splitter for the phono cable because your amp is 4 channel

if the radio does not have phono jacks then you need to take the output that usually goes to the speakers and route them to the amp and attach pho no jacks on them

Jan 10, 2010 | Alpine MRV-F357 Car Audio Amplifier

1 Answer

I need a wiring diagram for installing 2 LT980-2

do you need help just for the power or for the audio or both?

power it is simple
positive goes to the battery but with a fuse in the middle
negative goes to a metal ground point on the car (but not battery)
remote goes to the radio with should have a blue and white cable if radio does not have remote line then use the acc wire from radio

for sound
your amp does two speakers and im guessing you want the back ones amplified
so cut the 4 wires that come from the radio and goes to the back speakers 2 positive and two negative
and connect this to the input the phono terminals on the back (unless your radio has phono terminals for audio out on the back side

then take the output from the amp and run it to the speakers one positive and negative to each speaker

i cant seem to find a wiring diagram for that amplifier but i can give you a more genral diagram

Jan 05, 2010 | Power Acoustik LT-980/2 Car Audio...

2 Answers

How to switch out the battery

Remove Negative terminal first, then positive terminal. Battery will have some type of tie down or block at base with a bolt you will have to remove. Remember how it goes back together. Remove battery.
Install new battery and tie down or block. Install Positive terminal then Negative terminal.
Remember to never touch both Positive and negative terminals with a metal object (ie..ratchet, wrench etc) this can cause injury and/or permanent damage to a new battery.

Nov 27, 2009 | 1995 Eagle Vision

1 Answer

1997 Jette won't start , turn key on & alarm goes off

I had the same problem. Mine was a battery issue. Enough power was getting through to turn on the accessories, but not enough to turn the starter. When this happened, the alarm would go off. The positive and negative terminals were extremely corroded, which disrupted the connection. Clean the insides of the terminals with a wire brush and you should be ok. Also check the condition of the battery. 

May 01, 2009 | 1997 Volkswagen Jetta

1 Answer

Keep blowing fuse under hood when i put power wire in to amp

disconnect the negative battery terminal, replace the fuse with all the wires hooked up to the amp and reconnect the battery terminal, that way the initial surge of power goes through the negative terminal and not your inline fuse. That should solve your problem.

Mar 29, 2009 | Pioneer GM-5200T Car Audio Amplifier

1 Answer

Sentrek amp

That company went out of business some years ago, so it's difficult to find the specs or pictures of it to be super accurate, but generally speaking it should have a "Battery", "Remote", and "Ground" set of terminals and a pair of spaker terminals each with a positive and negative. The battery terminal goes to the battery, the remote terminal goes to the remote output lead (usually blue/white) on the head unit, and the ground terminal goes to the chassis of the car. The speaker terminals go to the speakers (observe positive and negatives).

Sep 08, 2007 | Car Audio & Video

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