LS - 1st and 2nd Gen (1990-2000) Discussion topics related to the 1990 - 2000 Lexus LS400

No sound with aftermarket Headunit

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Old 06-11-12, 02:56 AM
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Grothie121
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Default No sound with aftermarket Headunit

Okay I took my factory Pioneer headunit out and wired up my power, accessories and ground. Then i tried to search for a wiring diagram for speaker wires, found one and then when i wired up my speaker wires no sound came out. Can somebody confirm which wires go to what? Thanks
Old 06-11-12, 05:55 AM
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johnnyg66
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Is this the one you have? I have used it.

http://www.lextreme.com/Lexradio.pdf
Old 06-11-12, 06:46 AM
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Grothie121
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Yeah pretty sure thats it, i tried using that exact diagram to wire the OEM speakers into my new headunit and no sound came out at all...
Old 06-11-12, 07:33 AM
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Kalaries
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Originally Posted by Grothie121
Yeah pretty sure thats it, i tried using that exact diagram to wire the OEM speakers into my new headunit and no sound came out at all...
What kind of head unit are you putting in...
do you hear any beeps or clicks when navigating through the stereo menu?
or no audio at all?
Old 06-11-12, 08:32 AM
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Grothie121
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im putting in a Sony CDX-GT280, and nope no audio at all, i put OEM headunit back in and sound came through, just is weird i wire up speakers as per that diagram and no sound at all coming from the Sony
Old 06-11-12, 09:37 AM
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vicious
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double check the wire connections from the stereo to the new harness. make sure there's wire to wire connection.

i used those stereo wire splices (where you stick each correlating wires in and the metal splices them making a connection between the wires) and half of them barely cut through
Old 06-11-12, 01:32 PM
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PureDrifter
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what year is your car... the lextreme pdf only applies to 90-92 cars, and i THINK that's for a nak setup, not a pioneer/premium sound.
Old 06-11-12, 02:46 PM
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whit3b0y
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From what I'm told and found it will be easier to run new wires to all the old speakers. Might be a good time to upgrade all your speakers and get rid of the factory amp, sub and deck. could prolly sell amp, speakers/sub and deck a cover at least part of the price of the new speakers.
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