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Hard Wiring a Uniden 350a in my vehicle

DMJR318

Member
Joined
Sep 1, 2024
Messages
11
Location
Moultonborough NH
I have started the process of hardwiring my Uniden 350a Scanner. I have run the power cable under the dash and set the ground. I have located the fuse box in my 2019 Ford Ranger.

Where should I tap in for the best power?
Should I wire directly to the battery?

I am looking for clean power since the 12V plug interferes with my AM/FM Radio.

Thank you
 

mmckenna

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Joined
Jul 27, 2005
Messages
25,119
Location
United States
You are on the right track.

Issue is that if you tap into existing vehicle wiring, you run the risk of introducing noise into the scanner.
It's -always- best to run your positive power lead directly to the positive post of the battery with a suitable size fuse at the battery.
Negative should go to a grounding point close to the radio itself. If the scanner is dash mount, it's usually easy to find a screw or existing grounding point.

A lot of people use cigarette lighter sockets or tap existing fuses and suffer from RF interference. Sometimes people get lucky and don't, but it's always a good idea to do it right the first time.
 

DMJR318

Member
Joined
Sep 1, 2024
Messages
11
Location
Moultonborough NH
You are on the right track.

Issue is that if you tap into existing vehicle wiring, you run the risk of introducing noise into the scanner.
It's -always- best to run your positive power lead directly to the positive post of the battery with a suitable size fuse at the battery.
Negative should go to a grounding point close to the radio itself. If the scanner is dash mount, it's usually easy to find a screw or existing grounding point.

A lot of people use cigarette lighter sockets or tap existing fuses and suffer from RF interference. Sometimes people get lucky and don't, but it's always a good idea to do it right the first time.
If I run the positive side of the wire to the battery - will I be ok?
 

mmckenna

I ♥ Ø
Joined
Jul 27, 2005
Messages
25,119
Location
United States
If I run the positive side of the wire to the battery - will I be ok?

Yes, but make sure there is a suitable size fuse within a few inches of the battery terminal. That fuse will protect the circuit in case there is an issue.

Pretty standard 2 way radio install type work.
 
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