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Louie, Car Electronics Technician
Category: Car Electronics
Satisfied Customers: 12290
Experience:  25+ yrs. experience in the field and 5+ yrs. online, down to component level.
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I installed a kenwood dnx 710ex in my 03 sierra that i

Customer Question

i installed a kenwood dnx 710ex in my 03 sierra that i bought from someone. as far as i know its all hooked up right but the unit will not turn on just a red blinking light. i can hit the eject button and it opens but thats it. tried reset bbut still nothing. i dont have a remote
Submitted: 6 months ago.
Category: Car Electronics
Expert:  Louie replied 6 months ago.

Hi and welcome to the site, I’m Louie. Sorry you had to wait awhile but I’ll do my best to help.

Initially, are you able to check for voltages at the back of the Kenwood?

Still, let's review and check the basics. Proposed preliminary tries:

  • ensure that the yellow wire is getting always available +12V;
  • and that the red wire is getting ACC switched +12V;
  • with the black wire tied to chassis ground and not only to the harness' ground line.

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