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Author Topic: Powering this CB in my car  (Read 1850 times)

goawaystalkers

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Powering this CB in my car
« on: November 07, 2005, 08:56:46 PM »

Ok, so I bought this TRC-446 off my friend for 20 bucks but he didn't have any of the power wires, just the thing itself.
What I need to now is how I can power this from my car (2000 Jeep Cherokee)



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viridius

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Re: Powering this CB in my car
« Reply #1 on: November 07, 2005, 09:10:59 PM »

Ok, the unit has two voltage inputs: one that should be connected to a voltage line that is on all the time and one that should be connected to a voltage line that is only on when the car is running.  The purpose of the always on input is to retain the channel setting when you turn your car off.  While it is not apparent from the picture which of the terminals are which, it is a simple proposition to pop open the case and find out which is ground.  When you have that figured out, you can either connect both of the other inputs to a voltage line that is only on when the car is running or you can do some more detective work and find out which one is which.
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i7dude

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Re: Powering this CB in my car
« Reply #2 on: November 07, 2005, 09:17:07 PM »

Ok, so I bought this TRC-446 off my friend for 20 bucks but he didn't have any of the power wires, just the thing itself.
What I need to now is how I can power this from my car (2000 Jeep Cherokee)

do exactly what viridius (not linear :-P) says...dont get too hung up on car voltages either...even though your car battery is 12 volts, most all vehicles are actually at about 13.5 volts when the engine is on.

dude.
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haggertus

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Re: Powering this CB in my car
« Reply #3 on: November 07, 2005, 09:49:16 PM »

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jingoku

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Re: Powering this CB in my car
« Reply #4 on: November 09, 2005, 04:46:02 PM »

BTW, do you have a Technician licence to operate that? I just got mine a few weeks ago. - KE5GJD -
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MegamanEXE

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Re: Powering this CB in my car
« Reply #5 on: November 09, 2005, 11:19:52 PM »

your kidding right? to operate CITIZENS BAND radio?
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viridius

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Re: Powering this CB in my car
« Reply #6 on: November 09, 2005, 11:40:33 PM »

You need a license to operate Ham radio, not CB.  Not a bad thing to have, though.  One of my electronics mentors was telling me about the time he got his Extra class license (being one of the first few to do so), and went bombing around in his truck with a directional antenna trying to pin down the transmitter of a rogue station that was far above acceptable power levels.  When he found the guy, he stuck a pin through the coax cable going to his antenna and blew the tubes in the transmitter.
« Last Edit: November 09, 2005, 11:47:27 PM by viridius »
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linear

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Re: Powering this CB in my car
« Reply #7 on: November 10, 2005, 10:26:37 AM »

When he found the guy, he stuck a pin through the coax cable going to his antenna and blew the tubes in the transmitter.

Funny, I don't remember reading that procedure in Part 15...  :lol:
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MegamanEXE

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Re: Powering this CB in my car
« Reply #8 on: November 10, 2005, 10:33:57 AM »

well you gotta do what you gotta do to protect the airwaves lol
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