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Boss Audio MGR350B Support Question

Boss Audio MGR350B Support Question

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Question posted by Williammidgettt on May 22nd, 2021

Unit Is Wired Up And New But Will Not Light Up The Screen Or Respond At All

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Answer #1: Posted by techyagent on May 22nd, 2021 2:46 PM
This answer was accepted by the poster of the original question.
techyagent

Member since:
June 17th, 2014

Points: 4,799,780
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NO POWER

The power harness of our In-dash units is all color-coded to properly identify the purpose of each wire.

  • BLACK - connects to the vehicle GROUND or the negative polarity of the Battery
  • RED - connects to a SWITCHED +12VDC, normally to an ACC line of the Ignition Switch
  • YELLOW - connects to a CONSTANT +12VDC
  • BLUE wire - connects to the REM line of a Switchable product such as Power Amplifier or the Power Antenna, as applicable. Because it has a +12DVC output when the radio is on, it is best to cap it or tape it

Please confirm the Red & Yellow wires are connected. The unit requires 12VDC + on both RED and the YELLOW wires otherwise, the unit will not turn on. If you have a Multi-Meter handy measure the voltage for both wires.

3 possible things can be happening as to why it's not turning on

  • Low Voltage on either the RED or the Yellow wire.
  • NO Voltage on either the Red or the Yellow wire, maybe both.
  • Bad or No Ground Connection.

Extra safety precaution is always necessary when dealing with the vehicle's electrical wiring and it is better to be done by an expert professional installer.



Thanks


Techygirl
Answer #2: Posted by SonuKumar on May 23rd, 2021 7:50 AM
SonuKumar

Member since:
May 9th, 2021

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Please respond to my effort to provide you with the best possible solution by using the "Acceptable Solution" and/or the "Helpful" buttons when the answer has proven to be helpful.

Regards,
Sonu
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Related Boss Audio MGR350B Manual Pages

User Manual - Page 1

...any repairs to a qualified BOSS AUDIO SYSTEMS Service Center • The MGR350B should be wired directly to a vehicles battery • When wiring directly to the vehicles battery, be... Current Consumption: 15A • 3-way protection circuitry (thermal, overload, and speaker short protection) • Unit Weight: 1.08lbs / 0.52kg • Storage Temperature: 5oF to 113oF / -15oC to 45oC •...
User Manual - Page 2

...TITLE PAIRING & DISCOVERING A NEW BLUeTOOTH CONNECTION EN \ \...recording, or other electronic or mechanical methods, without running the engine can use the control on the MGR350B...of your devices favorite media player to pause. Tuner/Weather ...Type: 1. LIGHT M; FOLK M;...audio from the MGR350B, it in FM 1 or FM 2, AM 1 BAND presets automatically When a desired radio station is over , unit...

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