SuzukiGS750EZ Posted November 22, 2019 Report Share Posted November 22, 2019 Hey guys. A buddy brought his car in for service and the dealership took out the wiring for his system. He has stock head unit & speakers. I found the amp in the left rear of the hatch but can't find a diagram. I need to hook into it for remote wire & two LOC's. Two Amps need installing. Anybody? Lol Link to comment Share on other sites More sharing options...
bmwking Posted November 23, 2019 Report Share Posted November 23, 2019 all depends on what level factory stereo he has. Hi-Fi, business, DSP, or harmon/kardon. do some googling tho, somethign will definitely come up. if not, try asking on bimmerforums Link to comment Share on other sites More sharing options...
SuzukiGS750EZ Posted November 23, 2019 Author Report Share Posted November 23, 2019 I've done a TON of googling lol. Nothing at all online. Do they have multiple wiring configurations from multiple amps? Link to comment Share on other sites More sharing options...
bmwking Posted November 23, 2019 Report Share Posted November 23, 2019 depending on the number of speakers in the car, yes. there's always the old time honored method of unplugging the output plug of the am and grabbing a 9 volt battery and testing each twisted pair. this may be the most reliable way in your case. there should be 2 plugs into the amp, one is input and one is output. i would think the output plug has more wires but to be extra sure have a test speaker and plug into each set of terminals with a twisted pair going into them to see if you get sound. if you do, then you have the input plug and not the one you're looking for. it's time consuming, but probably the only true way to figure out what you need if the internet hasnt yielded anything. Link to comment Share on other sites More sharing options...
bmwking Posted November 23, 2019 Report Share Posted November 23, 2019 @SuzukiGS750EZ my google-fu is stronger than yours! go here, select which audio system he has, and the appropriate year/sub option on the next page and bam, amplifier outputs with color codes and which speaker they go to. enjoy! https://www.newtis.info/tisv2/a/en/e61-535xi-tou/wiring-functional-info/body/audio-video-telephone-navigation-most-combination/sound-output/ Link to comment Share on other sites More sharing options...
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