2004 volvo s40 oem amp

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fut614

Member - Posts: 3

Joined: July 21, 2010

Location: Ontario, Canada

Posted: August 16, 2010 at 9:21 AM / IP Logged

I tried to replace the radio and now I only get the dash speakers (tweeters) to play any audio.

Is there an amplifier in the car that needs to be powered up? If so where would it be located

FutureShop Cambridge

i am an idiot

Platinum - Posts: 13,709

This member consistently provides reliable information

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 16, 2010 at 5:43 PM / IP Logged

According to Audiovox, there is a red wire at the radio plug. They have it labeled Power Antenna, If the car is not fitted with a power antenna, this may be the amp turn on wire.

fut614

Member - Posts: 3

Joined: July 21, 2010

Location: Ontario, Canada

Posted: August 18, 2010 at 9:14 AM / IP Logged

ya i tried that. I found the factory amplifier in the trunk. Passenger side. There was power at the amp but no audio. I think i blew the amp.

Do you know if it is like certain ford amplifiers that require 5Volts instead of 12 to turn on.

FutureShop Cambridge

i am an idiot

Platinum - Posts: 13,709

Joined: September 21, 2006

Location: Louisiana, United States

Posted: August 18, 2010 at 9:47 AM / IP Logged

12 volts on a ford amplifier does not hurt the amp, it simply makes for a very loud turn on pop. Did you check for 2 separate wires with 12 volts on them? One is the constant power and the other will be the remote turn on.

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2004 volvo s40 oem amp

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