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Author making a headunit work without the engine running
gavin18787
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Registered: 22nd Feb 05
Location: Basildon, Essex
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11th Mar 07 at 13:56   View Garage View User's Profile U2U Member Reply With Quote

Fitted my headunit out of my old corsa into my gsi today

It all works fine but in the old car you can have music on without the engine running. Are there some wires in the loom i can swap over to get it working as it did before?


Drives supercharged Tec with torque
Planty02
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11th Mar 07 at 14:26   View User's Profile U2U Member Reply With Quote

Ive heard that swapping the red and yellow wires around will do this
gavin18787
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11th Mar 07 at 19:46   View Garage View User's Profile U2U Member Reply With Quote

does that give a perminant live or something?


Drives supercharged Tec with torque
Planty02
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11th Mar 07 at 23:10   View User's Profile U2U Member Reply With Quote

thats what Ive seen on here before - from memory I think one of them is ignition live and one is permanent. Does it hold all your settings/radio stations etc?
Prowler
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12th Mar 07 at 17:41   View User's Profile U2U Member Reply With Quote

put the red and yellow cuming from ur head unit into the permint live i think its the yellow one
deano87
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Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
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12th Mar 07 at 18:39   View User's Profile U2U Member Reply With Quote

If your headunit isn't keep radio station presets, the clock etc then you'll need to swap the red and yellow wires.

Also, my post-97 car you need the key in the ignition to listen to the radio but the engine doesn't need to be running. I put the key in, twist it 2 notches, then back down to completely off and the headunit stays on until I take the key out.
adamC20xe
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13th Mar 07 at 17:37   View User's Profile U2U Member Reply With Quote

wire it straight to battery thats why i've done takes 5 mins. put the red wire straight to battery and thats it.
gavin18787
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13th Mar 07 at 20:38   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by deano87
If your headunit isn't keep radio station presets, the clock etc then you'll need to swap the red and yellow wires.

Also, my post-97 car you need the key in the ignition to listen to the radio but the engine doesn't need to be running. I put the key in, twist it 2 notches, then back down to completely off and the headunit stays on until I take the key out.



yer thats how i want it as thats what my old corsa is like. It keeps all of its settings though when it is switched off.

so swap the red and yellow wires yes?


Drives supercharged Tec with torque
deano87
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14th Mar 07 at 08:23   View User's Profile U2U Member Reply With Quote

In theory yes BUT it shouldn't keep settings if you haven't tried that.

My Kenwood headunit came with strange connectors on the ISO adapter which meant swapping cables over was easy don't swap the wires over without some spade/bullet connectors etc so you can put it back easily!
Toby
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14th Mar 07 at 08:50   View Garage View User's Profile U2U Member Reply With Quote

quote:
Originally posted by adamC20xe
wire it straight to battery thats why i've done takes 5 mins. put the red wire straight to battery and thats it.



not that simple need correct wiring for HU power and need an inline fuse unless you dont like your HU
gavin18787
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Registered: 22nd Feb 05
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19th Mar 07 at 17:05   View Garage View User's Profile U2U Member Reply With Quote

going to have a bash at this tomoro, so the red coming out of the headunit goes to the yellow on the corsa loom and the red from the corsa loom goes to the yellow on the head unit?


Drives supercharged Tec with torque
gavin18787
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Registered: 22nd Feb 05
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20th Mar 07 at 16:54   View Garage View User's Profile U2U Member Reply With Quote

For future reference for anyone else I swapped over the red and yellow wires. This gave the headunit permant live power however it didnt not function only the standby light was on.
I then by chance tried putting the fuse on the back of the headunit into the other slot above it and it now works perfectly.

thanks everyone for your input


Drives supercharged Tec with torque
Steve X16XE
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Registered: 31st Dec 06
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20th Mar 07 at 17:21   View User's Profile U2U Member Reply With Quote

Have you got a JVC HU by any chance?
gavin18787
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20th Mar 07 at 17:56   View Garage View User's Profile U2U Member Reply With Quote

yes

is this to point out that i could have just changed the fuse over to solve it. Im hoping its not as i spent ages swapping the wires over and carefully soldering them back on


Drives supercharged Tec with torque
Steve X16XE
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20th Mar 07 at 18:23   View User's Profile U2U Member Reply With Quote

Sorry but yep.
gavin18787
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20th Mar 07 at 19:52   View Garage View User's Profile U2U Member Reply With Quote

FFS

could you not have seen this thread before

anyway it works fine now even if it did take more faffing then needed


Drives supercharged Tec with torque
deano87
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Registered: 21st Oct 06
Location: Bedfordshire Drives: Ford Fiesta
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20th Mar 07 at 20:23   View User's Profile U2U Member Reply With Quote

Hmmm, sounds like DVD-Roms for PC's.
gavin18787
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Registered: 22nd Feb 05
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20th Mar 07 at 20:29   View Garage View User's Profile U2U Member Reply With Quote

how do you mean?


Drives supercharged Tec with torque
Steve X16XE
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20th Mar 07 at 23:22   View User's Profile U2U Member Reply With Quote

I'd seen your thread, but u didn't put what HU you had.

Sorry for not asking

gavin18787
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21st Mar 07 at 19:08   View Garage View User's Profile U2U Member Reply With Quote

I was only messing

lol not bothered as its working now


thanks for your input anyway

[Edited on 21-03-2007 by gavin18787]


Drives supercharged Tec with torque

 
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