'90s Imperial radio (was Re: IML: Digital radio/81 Imperial Help)

[David Whitney <david.whitney@xxxxxxxxxxxx>]

Don't forget that the '90s radio speakers had their own amplifiers, not
amplified from the main unit.  So if you're looking to use older
(unamplified) speakers with the newer stereo it won't work.

-- David


                                                                                                                                              
                      "Wayne Michaels"                                                                                                        
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                      mailing-list-owner@imper        Subject:  Re: IML: Digital radio/81 Imperial Help                                       
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                      12/29/2004 05:58 PM                                                                                                     
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Rolland, One thing I know of ,is that the amp is different for the analog
and digital radios. The power amp that is located in what would be a center
dash speaker is the one I am speaking of. You need to make sure you have an
amp for the electronic radio. By the way the Am/FM Cassette/ CD Radio of
late 90's will also fit, but again you need an electronic amp or bypass the
amp all together. Bob
 ----- Original Message -----
 From: Don Hudson
 To: mailing-list@xxxxxxxxxxxxxxxx
 Sent: Wednesday, December 29, 2004 4:06 PM
 Subject: Re: IML: Digital radio/81 Imperial Help

 I, too, would be interested in this conversion.  Also have an analog
 AM/FM/8 Track in my 81.  Never have tried the AM or 8 Track but the FM
 seems to work OK.  I have an AM/FM/Cassette out of an 83 Imperial that I
 would like to swap over.  I'll be keeping an eye on this thread.
 Don
  ----- Original Message -----
  From: RWestra@xxxxxxx
  To: mailing-list@xxxxxxxxxxxxxxxx
  Sent: Wednesday, December 29, 2004 5:33 PM
  Subject: IML: Digital radio/81 Imperial Help

  I am trying to replace an original equipment analog dial radio in my 81
  Imperial with a digital dial Chrysler radio of perhaps a little later
  vintage.
  The radio I am trying to install is an AM/FM/Cassette with the six small
  pushbuttons to the left of the readout.  It has the gray and black. 7
  wire, 4 speaker system connectors on the back.  I have carefully
  connected the wires as correctly as I can.  The four positive  speaker
  wires were connected to the appropriate speaker plug going to the rear
  amp.  The negative speaker wires were joined together and connected to
  the black wire on the rear amp plug.

  Now the problem.  When I connected the radio to the '81 I got a pulsing
  intermittent radio sound from the speakers.  I cut the black wire to the
  plug and the radio worked.  However,  it runs very hot.  After about 15
  minutes of operation I saw smoke coming from the power transistor area.
  You can see the digital readout dim slightly when heavy base tones are
  played.  The radio sounds great but I suspect life will be short.  Maybe
  an hour or so.

  My suspicion is that with the black ground wire disconnected the power
  transistors are running out of control and overheating.  By connecting a
  10 ohm power resistor in the break in the black ground wire the base
  tones are subdued but the radio still runs hot.     By now you electronic
  types will recognize that I have no idea what I am talking about.  But I
  do need help.

  Has anyone made the conversion from the analog dial radio to a two plug,
  four speaker, digital dial, successfully.  If so what do you suggest.  I
  am tired of pulling the analog dial radio every six month for the
  bi-annual volume control bath.  Also the tape player has started to eject
  while playing.

  Thanks for your help.


  Rolland Westra




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