Radio stopped working

Tiny
CASMIHOK
  • MEMBER
  • 2005 JEEP LIBERTY
  • 3.7L
  • V6
  • 4WD
  • AUTOMATIC
  • 163,000 MILES
I got a new battery a few days ago. All of a sudden no power to my radio, supposed to drive home tomorrow and I need my music. :( Hoping something simple.

It's a Sony CDX-GT25MPW by the way. I do not have a remote for it, and I tried the Source/Off reset method many times. I have no lights, no messages, no nothing.

Please and thank you.
Monday, January 27th, 2020 AT 9:24 PM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,269 POSTS
Hi,

Since it is an aftermarket radio, it's going to be tough for me to help, but I'll try. First, the vehicle has a fuse for the radio. However, often times on aftermarket systems, an inline fuse is added into the power wire. Since it just stopped, I have a feeling it's a fuse issue.

Now, the power to the radio comes from the fused 1 ignition supply. So, to confirm that isn't the issue, you need to check the connector pin on the radio for power. I attached a pic below. All you need is a test light to check for power. Here is a link that explains how in general one is used:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Here is a link explaining how to check wiring:

https://www.2carpros.com/articles/how-to-check-wiring

If there is power at that connector and the radio does nothing, you will need to follow the power wire from that connector to the radio. Again, since it is an aftermarket radio, there may be an inline fuse, so check that fuse as well,

Here are a couple other links you may find helpful:

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

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

https://www.2carpros.com/articles/how-to-use-a-voltmeter

_______________________________________

Do those checks and let me know the results.

Take care,

Joe

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Tuesday, January 28th, 2020 AT 5:30 PM

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