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Radio not working

Tiny
MLMATNEYSR
  • MEMBER
  • 2005 CADILLAC STS
  • 6 CYL
  • AUTOMATIC
  • 70,000 MILES
I put a new battery in my car and the radio will not come on.
Saturday, August 20th, 2011 AT 10:27 PM

12 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Hey MLMATNEYSR,

It sounds like you have a fuse that went out here is a guide to help you check the fuses. The fuse is in the right rear fuse panel.

https://www.2carpros.com/articles/how-to-check-a-car-fuse

Here is a wring diagram and guide that will help you see how the system works.

Was the key on when you replaced the battery or did you jump the vehicle backwards?

Check out the diagrams (below).

Please run some tests and get back to us so we can continue helping you.

Best, Ken
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Wednesday, January 4th, 2017 AT 10:54 AM
Tiny
VAL
  • MEMBER
  • 0 POST
I had this same problem and it was the fuse that went out. Thanks for this site.
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Thursday, April 19th, 2018 AT 1:29 PM
Tiny
KXSE ONINE
  • MEMBER
  • 1 POST
Where’s the fuse located?
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Friday, June 7th, 2019 AT 11:54 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
It is the radio/Onstar fuse under the rear seat. Check out the diagrams above.
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Saturday, June 8th, 2019 AT 1:35 PM
Tiny
KXSE ONINE
  • MEMBER
  • 1 POST
Put in new fuse, still no radio
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Thursday, July 4th, 2019 AT 6:41 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Do the lights come on but no sound?
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Friday, July 5th, 2019 AT 11:01 AM
Tiny
KINDSCHI07
  • MEMBER
  • 2 POSTS
I had this problem and had to replace the radio with new cost me $243.00. I guess the voltage surge wrecked it.
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Monday, December 9th, 2019 AT 11:49 AM
Tiny
QDG
  • MEMBER
  • 2 POSTS
  • 2005 CADILLAC STS
  • 46,600 MILES
For some reason the audio adjust system will not move the speakers back to the center point, It seem to be stuck far left speaker and rear speaker I adjusted the speaker to the left and to the rear and know I can't get
it back to center. The left and rear touch screen buttons are grayed out.
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Monday, December 9th, 2019 AT 11:49 AM (Merged)
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
The left and rear touch screen buttons are grayed out, probably because the maximum limits of left and rear have been achieved. Is the audio playing out of the left rear speakers only? You said you adjusted it to the left and rear, try adjusting it right, and forward.
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Monday, December 9th, 2019 AT 11:49 AM (Merged)
Tiny
QDG
  • MEMBER
  • 2 POSTS
Yes the sounds only coming from the left rear. I have tried to
adjust back to the center and I have tried to adjust far right and fade to the front with no results. The right and foward buttons are highlighted.
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Monday, December 9th, 2019 AT 11:49 AM (Merged)
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Are the icons indicating that you are pressing them, indicating that the touch screen is responding? You might be able to disconnect the battery, and may even do both cables and short them together. The return to power, might restore it to default center position. This doesn't explain why it is not functional, but will restore to normal condition. I will try and research the symptom, see if I can find some info.
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Monday, December 9th, 2019 AT 11:49 AM (Merged)
Tiny
FACTORYJACK
  • MECHANIC
  • 4,159 POSTS
Is this the only symptom you have noticed? Is it locked on the audio adjustment screen? There is a bulletin concerning a navigation radio software upgrade. Of the several symptoms it addresses, one is 'navigation radio screen locks up'. Doesn't give any details on the exact nature of the problem, though.
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Monday, December 9th, 2019 AT 11:49 AM (Merged)

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