Aftermarket head unit to replace RNS-D

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simonpoulton
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Re: Aftermarket head unit to replace RNS-D

Post by simonpoulton » Tue Jan 23, 2018 5:40 pm

The no sound has got to be the amp not powering up surely... defo check that first before slicing everything up!
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Re: Aftermarket head unit to replace RNS-D

Post by Mark-RS » Tue Jan 23, 2018 8:32 pm

But i read that only the rear speakers are powered from the amp ? Or connected from the amp ? Meaning I should at least have sound from something in the front ?

Also when everything is plugged in as it appears, the speaker wires going to the head unit are attached to nothing.....

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Re: Aftermarket head unit to replace RNS-D

Post by Shoppinit » Tue Jan 23, 2018 8:37 pm

I think you read wrong.
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Re: Aftermarket head unit to replace RNS-D

Post by simonpoulton » Thu Jan 25, 2018 8:53 pm

Right, had to change my indicator relay / hazard light switch today so pulled out the head unit at the same time.

My head unit (the pioneer one) has 2x sets of RCAs coming out (front stereo and back stereo), which then connect into the lead I linked earlier in this thread. That does all the sound and i believe the blue lead into that adapter powers up the amp (remote)

That adapter will only fit on one plug on the original loom.

Does that help? I do have some photos but its a bit of a rats nest
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Re: Aftermarket head unit to replace RNS-D

Post by Mark-RS » Thu Jan 25, 2018 9:51 pm

I think yours sounds very different to mine. The block that plugs into the back of my stereo has all the regular speaker wires.

I do have a couple of RCA outs, but they are to directly feed an amp. I see no signs of any RCA leads behind my dash at all.

This block on the left is the main one from the Audi head unit which I assume contains all the speaker wires, but the adapter kit I bought, which was linked in this thread also has nothing that appears to attach to it with enough cables to feed any of the speakers.

download/file.php?id=45118&t=1

I'm pretty sure it's not standard and has been messed around with. I'm going to have another look tomorrow as long as the weather is nice, but then I think I will have to get someone who knows what they are doing to finish it off :-(

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Re: Aftermarket head unit to replace RNS-D

Post by Mɐʇʇ » Fri Jan 26, 2018 12:53 am

That's correct. If my memory's right, you need this connector, which plug into the pair of black connectors you've got. One runs the amp (the blue wire you can see in the pic runs the amp alongside the RCA plugs), and the other runs the main unit.
http://www.connects2.co.uk/Product/ProductItem/CT20AU11
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Re: Aftermarket head unit to replace RNS-D

Post by Mark-RS » Fri Jan 26, 2018 5:53 pm

https://www.ebay.co.uk/itm/Double-Din-C ... SwPe1T27l3

That is the Kit I bought, which was meant to do the job.

I may try the one you have as it's only a tenner.....

Appreciate the advice :-)

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Re: Aftermarket head unit to replace RNS-D

Post by Mɐʇʇ » Fri Jan 26, 2018 8:37 pm

There's no RCS lead I can see in that. The pioneer only outputs to the amp via RCA.
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Re: Aftermarket head unit to replace RNS-D

Post by Mark-RS » Sun Jan 28, 2018 12:35 pm

Does anyone know off hand which wire is the power for the AMP ? I'm thinking now that the AMP is not powering as it should....

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Re: Aftermarket head unit to replace RNS-D

Post by Mɐʇʇ » Sun Jan 28, 2018 1:05 pm

See Page 12, Blue/White wire - http://catalogs.pioneer-car.eu/Manuals/ ... l/?page=12
And I'm sure you need to the lead I linked to above - no RCA connectors = no power amp inputs.
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Re: Aftermarket head unit to replace RNS-D

Post by Shoppinit » Sun Jan 28, 2018 1:11 pm

There should be a white wire coming out of the RNS-D harness to tell the amp to power up.
Daytona RS6 C5 Avant. Viper'd, Billies, Waggers, MTM box brain, C6 stoppers, xcarlink, R8 coolant cap (woohoo)
///M3 E46 | XC90 (V8, natch) | Passat GTE | RR Classic V8 flapper
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Re: Aftermarket head unit to replace RNS-D

Post by Mark-RS » Sun Jan 28, 2018 3:19 pm

Thanks guys !

All working now. Was the amp not powering after all !

Where are you guys placing the GPS antenna ? Also how the hell have you got the head unit to sit back in the dash ? The amount of wires now is insane !

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Re: Aftermarket head unit to replace RNS-D

Post by Mɐʇʇ » Sun Jan 28, 2018 3:23 pm

It was a fiddle. Drop the glovebox down (and fit the gps antenna on top of it). And while down, you can reach in and massage the wires back so they sit tidily.
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Re: Aftermarket head unit to replace RNS-D

Post by Mark-RS » Sun Jan 28, 2018 5:42 pm

Yeah that sounds like a good idea. GPS is fine in there I take it ? No signal issues ?

Android auto also tells me it won't work unless I put the parking brake on, sonibhuess I need to ground out the brake wire from the unit to get it to work ?

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Re: Aftermarket head unit to replace RNS-D

Post by Mɐʇʇ » Sun Jan 28, 2018 9:41 pm

"not a professional engineer, mechanic and mechanist"

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