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Door chime is quiet?

Tiny
MANUEL A RAMIREZ
  • MEMBER
  • 2004 PONTIAC GRAND PRIX
  • 3.8L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 263,400 MILES
The door chime is operational but barely audible. The factory radio was replaced with an aftermarket one years ago and I have had no problem with the chime until recently. The chime is working properly with the key in the ignition and door open, headlights on door closed but you can barely hear it. It was working fine up until a few months ago. I am an electrician and can troubleshoot but there are no schematics to the circuit. I have a factory repair manual and it does not address the chime circuits and its associated switches or locations.
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Monday, October 17th, 2022 AT 12:45 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,747 POSTS
Hi,

As you are already aware, the chime is provided via the audio system. However, it is the body control module that signals the audio system of an issue.

Since the radio is aftermarket and the system is working but softly, I suspect it deals with the radio itself.

I was able to find one schematic for the audible warning system, which I attached below. Take a look through it and let me know if it is helpful or if you have questions.

Take care,

Joe

See pic below.
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Monday, October 17th, 2022 AT 6:49 PM

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