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How To: Build and Hardwire an Auxillary Input to OEM Stereo

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Old 08-29-09, 06:47 PM
  #451  
tech122
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Default this is my wire diagram for LS400 1993
I spliced at CD PLAYER side # 1, 2, 7, 1.


Is this correct?

Thank you.
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Old 08-29-09, 06:49 PM
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Default Correction .....
It's #8, 2, 7, 1

CDL- , CDL+, CDR-, CDR+

thanks
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Old 08-29-09, 07:06 PM
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So whos done this to there 2000 ES300?
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Old 08-29-09, 08:00 PM
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Originally Posted by tech122
I have a 1993 LS400 and have an ipone 3G

Did the relay setup with the 3.5mm to RCA cable and it does not work.
I did it all the splicing at the back of the Head unit.

When I select the CD button, the CD starts to play but when I flip the SPST Toggle switch, NO sound !! I have tried it on both Normally Open and Normally closed in the relays.

I don't know if I should try that 2 AUDIO, 1 VIDEO, USB Cable from Apple Store???

Is there anything at the LCD display that would indicate that I using the Iphone as Aux input. Please any help would be appreciated.

Thanks
others have reported that you need the proper cable but it could just as easily be that you didnt put the RCA jacks together properly
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Old 08-29-09, 10:31 PM
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Originally Posted by PureDrifter
others have reported that you need the proper cable but it could just as easily be that you didnt put the RCA jacks together properly
Not sure what type of cable he is using but the Iphones need the original Apple cable in order for them to output audio from the RCA's. I guess there's some type of chip inside them that makes them work.

Those generic ones from ebay wont cut it.
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Old 08-30-09, 02:13 AM
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Originally Posted by Eclipsed
So whos done this to there 2000 ES300?
been trying to get some help to do this for my es300 but no one's helping

maybe's it's my screen name
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Old 08-30-09, 12:40 PM
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It worked !!!!

Thank you PD and all
My wires from headunit were in the wrong pole at the relays. I studied the wiring diagram from PureDrifter and realized that I had connected then in the wrong spot.

This is so cool !!!

One issue though, after I was playing my iphone for about 10 min, my battery died, car wouldn't start. anybody have had this issue?? Is it normal ???

Thanks.
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Old 08-30-09, 12:50 PM
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Originally Posted by Alexbenz
been trying to get some help to do this for my es300 but no one's helping

maybe's it's my screen name
make an attempt to find your car's wiring diagram and ask specific questions instead of just saying
"i want to do this and need help"

then, maybe, someone will consider helping you.
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Old 08-30-09, 12:51 PM
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Originally Posted by tech122
It worked !!!!

Thank you PD and all
My wires from headunit were in the wrong pole at the relays. I studied the wiring diagram from PureDrifter and realized that I had connected then in the wrong spot.

This is so cool !!!

One issue though, after I was playing my iphone for about 10 min, my battery died, car wouldn't start. anybody have had this issue?? Is it normal ???

Thanks.
good good, now go check the 12v line you tapped for shorts.

it might have just been that you spent all that time listening to musiic while doing the mod without the engine running that it drained the battery, but always helps to check the wiring
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Old 08-30-09, 12:51 PM
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Originally Posted by rgarjr
Not sure what type of cable he is using but the Iphones need the original Apple cable in order for them to output audio from the RCA's. I guess there's some type of chip inside them that makes them work.

Those generic ones from ebay wont cut it.
do you still need that if you're using a 3.5mm jack from the headphone output o.O?
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Old 08-30-09, 02:59 PM
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Originally Posted by PureDrifter
make an attempt to find your car's wiring diagram and ask specific questions instead of just saying
"i want to do this and need help"

then, maybe, someone will consider helping you.
if i had that info then i wouldn't be asking questions.

I already said i'm a noob with wiring and electrical....
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Old 09-02-09, 03:22 PM
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Originally Posted by PureDrifter
do you still need that if you're using a 3.5mm jack from the headphone output o.O?
Nope, only when you use the IPOD connector to get the low line audio signal.
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Old 09-09-09, 11:08 PM
  #463  
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so if my CD changer still turns on but doesnt work i can do this? I cant even eject and cd's out my the changer anymore. but it the eject light still comes on when i press it.
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Old 09-10-09, 04:27 AM
  #464  
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if your headunit will switch to the CD input you can do this.
otherwise, no.
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Old 09-14-09, 07:09 PM
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I've read through this whole thread, and I'd love to be able to do a mod like this to use my iPod without a lame casette adapter. I understand that it wont work if the head unit wont switch to CD. I've got a 92 SC4, with the Pioneer CD player. Does anyone know if there has to be a magazine present in the CD player for the head unit to switch? The CD player appears to power on, but there was no CD magazine when I bought the car, so I dont know if its working correctly or not. Thanks.
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