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XTL5000 Control head powers radio?

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One day while toying with a V-XTL5000, it occurred my power cable was disconnected, the part from the fuse to the rest of the cable that goes to the SAE connector. Well anyways, the radio works fine when control head has constant, ignition, and the radio itself isnt powered. BUTTTT when I power constant, ignition (control head), Constant, Ignition, (mobile), it causes the car accessories to stay on? does the CAN cable send power?
 

nokones

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What is a V-XTL5000? I know what a XTL5000 is, but what does the "V-" represent? Is this a Dashmount or Remote Mount? If remote mount, are you using the "O5" controlhead?

What do you have your Ignition Source setting set for in the CPS?
 

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Would think he ment VHF for the V in front of the model.
I don't assume anything and it doesn't make any difference in the operating band range of the radio and how it relates to the stated problem. I have never seen the "V-" in front of the "XTL5000" be used in any meaningful context regarding the XTL series. And since, I don't know what the OPs knowledge level is of the subject radio or what he means by it, so I had to ask.
 

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I don't assume anything and it doesn't make any difference in the operating band range of the radio and how it relates to the stated problem. I have never seen the "V-" in front of the "XTL5000" be used in any meaningful context regarding the XTL series. And since, I don't know what the OPs knowledge level is of the subject radio or what he means by it, so I had to ask.
Vhf xtl5000 RM o5 ctrl, ign is set to soft power i believe is what its called i don't have my laptop next to me
 

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Vhf xtl5000 RM o5 ctrl, ign is set to soft power i believe is what its called i don't have my laptop next to me
Ok, make sure that both Red leads (Radio and Controlhead Power leads) are connected to battery Plus power. The Yellow lead from the controlhead power cable with the Red color coded connector, should be connected to a switched ignition power source so the radio can be powered off with the ignition switch. Both Black Ground leads should be connected to a chassis factory grounding points, not directly to the battery.

Let me know if this is the way you have your Red & Yellow power and Ground leads connected.

20250805_133511_resized.jpg
 

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Both blacks grounded, when both reds are continuous is keeps accessories running. If i disconnect either red it works fine
 

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What is the year/make/model of the vehicle. Can you be a little more specific about it being wired to ignition? Is it wired at the switch or is it connected to one of the circuits that is a switched ignition circuit? If one of the switched ignition circuits, which circuit?

I mocked up a XTL5000 Remote with an O5 controlhead on my bench. Also, I programmed the radio for Soft Power as you have your system programmed.

Let's try a couple things.

Remove the yellow wire from your switched ignition source. Reconnect the red power lead from the controlhead to the battery +. You shouldn't be getting any power back feeding like before.

Turn on the controlhead. Where you able to turn on the controlhead without the yellow wire being connected to power?

With a multimeter, ground your black lead to a chassis grounding point and with the meter red lead check and see if there is any voltage on the yellow ignition sense wire. There should not be any voltage with the controlhead off and you should see about a .019 volt with the controlhead powered on with 14.1 volts as an input power source.

Also, let's try connecting the yellow wire directly to the battery just like the red power lead. Check the functions and see if the radio is functioning as designed.

What are your intentions insofar as what do you want the radio to do when you turn off the ignition? Do you want the radio to power down when you turn off the ignition or turn off manually by depressing the power button on the controlhead?

Let me know what your findings are.
 

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What is the year/make/model of the vehicle. Can you be a little more specific about it being wired to ignition? Is it wired at the switch or is it connected to one of the circuits that is a switched ignition circuit? If one of the switched ignition circuits, which circuit?

I mocked up a XTL5000 Remote with an O5 controlhead on my bench. Also, I programmed the radio for Soft Power as you have your system programmed.

Let's try a couple things.

Remove the yellow wire from your switched ignition source. Reconnect the red power lead from the controlhead to the battery +. You shouldn't be getting any power back feeding like before.

Turn on the controlhead. Where you able to turn on the controlhead without the yellow wire being connected to power?

With a multimeter, ground your black lead to a chassis grounding point and with the meter red lead check and see if there is any voltage on the yellow ignition sense wire. There should not be any voltage with the controlhead off and you should see about a .019 volt with the controlhead powered on with 14.1 volts as an input power source.

Also, let's try connecting the yellow wire directly to the battery just like the red power lead. Check the functions and see if the radio is functioning as designed.

What are your intentions insofar as what do you want the radio to do when you turn off the ignition? Do you want the radio to power down when you turn off the ignition or turn off manually by depressing the power button on the controlhead?

Let me know what your findings are.
With yellow and not red attached radio functions normally, TX, RX, all that. It turns off and on when vehicle is on / off, my original question was, what would be the reason that just the control head RED being connected would cause there to be remaining accessory power.
 
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