Which wires to tap into - BMW 3-Series (E90 E92) Forum

Cmaddox335 · 12-06-2011, 02:16 PM

Which set of speaker wires would be best to tap into on the factory L7 amp to add an extra sub and amp?

trk411 · 12-10-2011, 06:07 PM

You should find the user Technic on this site. He custom makes harnesses that negate the need to tap into things.

Cmaddox335 · 12-10-2011, 07:44 PM

I know, I had been bugging him about a harness but he was out of stock.

I got restless and just spliced the LOC into one of the subwoofer wires. I temp installed the remote wire by just jumpering it to the power with a 4A CB in between.

I heard that there is a relay of some sort that you can use to amplify the signal of a speaker wire to use as the remote. Does anyone know anything about that? That way I'd be able to get rid of the CB.

12-06-2011, 02:16 PM	#1
Cmaddox335 Private First Class Drives: 07 335I e90 Join Date: Apr 2011 Location: Las Vegas Posts: 164 iTrader: (3)	Which wires to tap into Which set of speaker wires would be best to tap into on the factory L7 amp to add an extra sub and amp?
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12-10-2011, 06:07 PM	#2
trk411 Private Drives: 2011 335i xdrive 6MT Join Date: Oct 2011 Location: Southwestern PA Posts: 58 iTrader: (0)	You should find the user Technic on this site. He custom makes harnesses that negate the need to tap into things.

12-10-2011, 07:44 PM	#3
Cmaddox335 Private First Class Drives: 07 335I e90 Join Date: Apr 2011 Location: Las Vegas Posts: 164 iTrader: (3)	I know, I had been bugging him about a harness but he was out of stock. I got restless and just spliced the LOC into one of the subwoofer wires. I temp installed the remote wire by just jumpering it to the power with a 4A CB in between. I heard that there is a relay of some sort that you can use to amplify the signal of a speaker wire to use as the remote. Does anyone know anything about that? That way I'd be able to get rid of the CB.