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Midland two way radio 7Q-0351C What size fuse is require on the 12 VDC power lead?

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I think you meant 70-0351c?
I believe this is a 60 watt transceiver. So if you remember ohms law P=IxE or power equals amps times volts so 5 amps times 12 volts equals 60 watts. Use a 5 amp fuse.

Posted on Aug 29, 2019


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SOURCE: Refrigerator totally inop. 120 VAC & 12 VDC present. Unit is model # RM3662.

Yes, I did the same thing. I had a qualified RV repairman change out the board. He also told me there is a recall on this specific issue and that DOMETIC should pay for not only the board, but quite possibly the cost of the labor to repair.

Dometic phone # is 888-803-0013

Posted on May 29, 2009


Project NOMAD

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SOURCE: Pin Name Color Description

Yes this is a good list of the voltages to be expected from a newer power supply on just the main header

Posted on Aug 11, 2009


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um what you want lol:?

Posted on Sep 07, 2009

Libran Moreno

  • 126 Answers

SOURCE: I have a Clarion xmd3 radio that will not power

check to see if you have any grounding issues or if ground is present

Posted on Jun 12, 2010


bill fox

  • 231 Answers

SOURCE: What power supply required ? 12 VDC ?


Posted on Dec 23, 2010

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My Vertex Standard VX-2200 display blinks continuously and when i press the ptt button it say error

Not enough power. The radio requires a steady 12 VDC input, or in a vehicle, 13.2 VDC. You did not mention if this is a 25 or 50 watt radio. I guess 50 watt. This occurs often when the wire is too thin for the amperage required. Get thick wire or the harness may not provide enough amps and it will get really, really hot! The wiring harness from Vertex is the best one. If you have checked all your wiring AND the power connections, it is less likely a programming error. Let us know!

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Ok so i have a Pioneer DEH-P5200HD it started shorting out when i replaced my ignition . Now it wont power on . If i run a new power wire by connecting red an yellow wires "ignition an 12v to battery...

Sounds like something was shorted out while replacing your ignition or you damaged a ground wire. You can try connecting just the 12+vdc switched lead to 12+vdc power and then ground the receiver to a chassis ground somewhere else to see if it is just a grounding issue. The yellow lead (memory) will also need to be connected in higher end units such as Alpine as the audio amp pulls from the memory lead rather than switched lead.

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Can i connect a Uniden UH089NB UHF 2way radio to 12 & 24v

Hi John,

Page 5 of the manual for this radio specifies a 13.8 VDC (12VDC car / truck electrical system) power supply to power the radio.

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How do you check the battery status?

Check battery voltage using Volt meter=> it should be about 12.6 to 13.8 vdc.
Pull the battery out... checking the deforming at the case ..such as "swelling"... if yes .. replace the battery.
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1 Answer

Ran fine on the way home turned off the engine...went back a couple of hours later to go to the store and now it will not start...electrical is fine, glowplugs warm and everything but will ot turn...

Actually there is a power lead on the starter solenoid that goes from the ignition to the starter solenoid. When the key is turned to start that lead (+) should have 12 VDC to ground. If there is 12 VDC power to that lead when the key is turned to start then the starter solenoid is bad.

If there is no 12 VDC then is could very well be part of the remote start / alarm system that is not allowing 12 VDC to the solenoid.

You can verify the starter is good by using and external jumper wire to the terminal from the ignition on the start solenmoid. If the starter engages then by all means look into remote start / alarm related solutions.

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1 Answer

Pin Name Color Description

Yes this is a good list of the voltages to be expected from a newer power supply on just the main header

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