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Offline xbpod

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5V to12V DC/DC converter
« on: June 11, 2019, 09:21:56 AM »
Hi, has any one used a voltage converter to supply a 12v satnav cradle from the USB socket. This would allow an easy ignition switched supply without splicing into cables and possibly generating a canbus warning. I was going to try it but can only find a 800mA output converter and not sure if it would be man enough.

Offline Ali-bear

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Re: 5V to12V DC/DC converter
« Reply #1 on: June 11, 2019, 10:54:35 AM »
Are you planning on fitting a tail tidy? Easy to plug into the tail light or license plate light supply when you do. Compatible connectors are available through on-line retailers etc.

Offline xbpod

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Re: 5V to12V DC/DC converter
« Reply #2 on: June 11, 2019, 11:33:09 AM »
Hi, that's how I had planned to do it, but dealer said the extra current drawn would bring up a canbus warning because it thought there was a fault on the circuit?

Offline Ali-bear

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Re: 5V to12V DC/DC converter
« Reply #3 on: June 11, 2019, 11:44:23 AM »
Perhaps, but I've had no problem doing it this way. The current draw from my 350LM must be low enough. Suppose you could always revert if this did happen?

Offline xbpod

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Re: 5V to12V DC/DC converter
« Reply #4 on: June 11, 2019, 11:49:46 AM »
Cheers Ali-bear, think I will give it a go, as you say I can always revert back if it causes a problem.

Offline Ali-bear

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Re: 5V to12V DC/DC converter
« Reply #5 on: June 11, 2019, 12:20:32 PM »

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Offline Majortom

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Re: 5V to12V DC/DC converter
« Reply #7 on: June 11, 2019, 10:17:18 PM »
I used the switched feed on the alarm plug to pull a standard 4 pin 12v relay feeding my sat nav cradle, no canbus warnings so far and it powers the sat nav down okay after around 30 seconds from switching the ignition off

Offline WavyDavy

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Re: 5V to12V DC/DC converter
« Reply #8 on: June 12, 2019, 09:26:19 AM »
I have done the same as Ali-bear and am running a Garmin 345 with no problems.

 


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