Just wondering if anyone knows or remembers off the top of their head the wire colors for the rear speakers in a 98 740iL. I recently installed an aftermarket Android head units along with an Alpine PDX 4ch amp, ditching the stock DSP completely.
I have the amp powering the front speakers now, bridged, but wanted to run the rear speakers off the head unit just for fill. I can't verify for sure which wiring color for the rear speakers are. I know for sure the cables with brown stripes are usually the (-) side, but not sure for the (+) wires going to the HU for power. Any info or confirmation is appreciated.
The 740 setup is just a stereo signal to the DSP amp then then AMP sends out all the channels. I don't think there are any speaker lines going to the head unit plug.
---- Processing Individual ----
Z1XX Upholstery
Seats front and back in Epingle / leather englishgruen,
As Schl.Nr. B9EG.
Front seat backrest in Montana Englishgruen (No. 8 174 861)
Other interior equipment as for Volleder Nappa englischgruen,
Schl.Nr. P5EG
Thanks xboss. So for the Android unit that I got, the HU is internally powered with 4x50W. I'm using the 17-pin plug from the radio in the trunk to the HU harness. Do you know which wires (pins) on the either harness the rear wires can tap in to get that power?
Last edited by Greygoose82; 05-02-2017 at 05:46 PM.
I might be confusing myself. I thought the 4x50Watt outputs were the rca jacks that come off the other plug on the back of android units and the 17 pin is just a stereo signal but I may be wrong, I found some pinout stuff earlier. I will see if I can find it.
Last edited by xboss; 05-03-2017 at 02:44 AM.
---- Processing Individual ----
Z1XX Upholstery
Seats front and back in Epingle / leather englishgruen,
As Schl.Nr. B9EG.
Front seat backrest in Montana Englishgruen (No. 8 174 861)
Other interior equipment as for Volleder Nappa englischgruen,
Schl.Nr. P5EG
Left rear tweeter + yellow/black
Left rear tweeter - yellow/gray
Left rear mid woofer + yellow/violet
Left rear mid woofer - yellow/gray
Right rear tweeter + blue/black
Right rear tweeter - blue/gray
Right rear mid woofer + blue/violet
Right rear mid woofer - blue/gray
You're welcome!
Why thank you mr. asianvenom! I did see these wires and had separated them out. Just wasn't sure if they were coming from the dsp amp side or going to the rear speakers side. Will double check to make sure.
I'm positive its going to the speakers, I just recently wired my whole system.
Instead bridging the rear in with the front, use your deck speakers output and run the rear mids only. Use the original wires that carries the original audio to the dsp amp tap that into the rear mids in the trunk. If you look behind your deck you should see 2 pairs of speaker wires, those speaker wires runs to the trunk.
Ok so the wires you identified earlier goes directly to the rear speakers. I still need to identify the wires carrying power from the aftermarket HU to tap them in to. The aftermarket harness plugs into the oem 17-pin plug from the old radio. I just need to decide which wires to tap in from there. (If I'm understanding you correctly)
There should be just 2 pair of twisted pair in the dash
Found the head unit speaker wires finally! Soldered in the yellow/violet and blue/violet pairs and bam! got the rears playing. Life without DSP is so much better. Thanks for the info!
Hello. Guys, does anyone know what color the front door speaker wires are in the trunk ?
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