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Replacing OEM Radio Power Source Question

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YOUR RESEARCHReplacing OEM Radio Power Source Question

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Check power lines

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Suggestion · Original poster
I will be checking the power lines again to make sure they are wired correctly, but I was wondering if there are some special considerations I need to be aware of.
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Replacing OEM Radio Power Source Question

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Check power lines

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Suggestion · Original poster
I will be checking the power lines again to make sure they are wired correctly, but I was wondering if there are some special considerations I need to be aware of.
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Replacing OEM Radio Power Source Question

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POST 1 / ORIGINAL POSTEROriginal post

[Cross Posted from 996 GT3 Forum] Anyone installed a non-OEM radio in their car? The question is, how/where did you get your power from? My radio needs two sources. One is a constant source + 12V and the other is switched with the ignition. It seems that the OEM radio ignition power source is actually pulsed on only at the start of the car, then returns to 0 volts instead of being on as long as the car is running. I think I can work around that issue. However, the power system does not seem to behave as expected. Any insight would be helpful. I had a Kenwood DDX814 installed last week and I notice that every time I restart the car the unit looses its memory (as if the constant 12 V supply drops out when you stop the car). I will be checking the power lines again to make sure they are wired correctly, but I was wondering if there are some special considerations I need to be aware of. Once I get this sorted out I will post a comprehensive review of this product for all those interested, but I am swamped right now, so hopefully next week I can post that review.

POST 2Original post

You should be able to get constant 12v at the phone plug. It will be a loose 4 or 3 pin connector under the radio area. That is what most people us to hardwire radar detector and homelink.

POST 3 / ORIGINAL POSTEROriginal post

Ah! The installer did reverse the switched and constant voltage lines. I swapped them and it works as advertised in the manual. Both girlfriend and I love the nav and we like to take trips, so she feels confident that we can go anywhere now.

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