Aux input on 99 gl1500se


Information and questions on GL1500 Goldwings (1988-2000)
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Winger 99
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Motorcycle: 1999 GL 1500 SE
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Aux input on 99 gl1500se

Postby Winger 99 » Sun May 11, 2014 7:09 am



Tried the directions posted here to add an aux input to my 99 gl1500 radio.I connected both left and right sides to the capacitors C139 and C140 then common ground.I used the positive side on each capacitor side without the stripe on side and used a dummy tape. When connected
all i got was a very low volume on tape side of the radio coming from my i pod. When i tried the radio I got static a combination of radio static and a higher level coming from my i pod . Anyone have this problem ? Or any advise on connecting the aux input to a 1999 radio?



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Winger 99
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Location: Cow Head, Newfoundland and Labrador, Canada
Motorcycle: 1999 GL 1500 SE
2006 750 Aero
2007 750 Aero

Re: Aux input on 99 gl1500se

Postby Winger 99 » Sun May 11, 2014 12:52 pm

Did another try and connected left and front leads to the negative side of the capacitors (stripe side) and common ground then used a dummy tape same results as before could just hear it. Then put in a recorded tape and it worked fine and seems to cancel sound from the tape until the jack is disconnected from the i pod. When using the dummy the arrows flash in the display as if there was something wrong with the tape I have read that using a rubber band may sole this problem thus omitting a tape being in contact with the heads of the cassette player.Will try to do this when i can find a band to fit between the wheels of the dummy tape. For anyone that knows how to handle a soldering iron and use an ohm meter this is not a difficult job to do. Thanks for the ad on how to complete this I have been wanting to do this for the past few years but never had the courage.

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Mh434
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Re: Aux input on 99 gl1500se

Postby Mh434 » Sun May 11, 2014 4:36 pm

For those (like me) who aren't confident with their abilities to get into the circuit boards of their stereo/intercom/CB system, there is a simple & foolproof way to get an AUX input (aside from using a wired cassette dummy input). A unit from iSimple allows any kind of input (iPhone, tablet, GPS, etc.) via the stereo's FM tuner. No need to open up the stereo system at all. The only wiring required is to provide a switched 12V supply & a ground wire. It puts your input into the system via the stereo's antenna cable (not an FM transmitter, but rather, a hard-wired signal-in, so there's no interference), and includes a switch for changing back and forth from AUX to standard FM-in whenever desired. Some of their kits allow for iPod/iPhone/iPad charging while in use, as well.

I haven't put one on my bike yet, although I put one in my Ford Escape early last fall. So far, in daily use, it's been flawless. On the bike I'm still using a cassette adapter, but I'll be picking up another iSimple kit for the bike soon. It looks like the kit's bits will all fit under the left fairing pocket.

I have no connection to the company, but I sure like the kit I have in the Escape. I liked the factory stereo, but wanted AUX-in, and this kit did it - very professional appearance, easy install, apparently bulletproof performance. Pretty cheap, too....

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Winger 99
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2006 750 Aero
2007 750 Aero

Re: Aux input on 99 gl1500se

Postby Winger 99 » Sun May 11, 2014 5:27 pm

Thanks MH434 Did a google search for the i simple unit and agree. Unit also has charging capabilities which is a bonus just may purchase one of the units myself.

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Mh434
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Re: Aux input on 99 gl1500se

Postby Mh434 » Sun May 11, 2014 6:15 pm

This http://www.isimplesolutions.com/univers ... -IS77.aspx is the kit I bought for my Escape. I found it cheaper than this by spooking around using my Google-Fu. There are also simpler kits from the same company, for a lot less (around the $40 mark).

I didn't bother with the Bluetooth-enabled ones. Here's one http://www.amazon.com/iSimple-IS32-Univ ... B004613FCE that should be perfect for a Goldwing - around $46 from Amazon.com.

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Re: Aux input on 99 gl1500se

Postby WingAdmin » Mon May 12, 2014 9:25 am

Did you just tack solder your wires onto the capacitor leads, or did you pull the capacitor leads out of the board?

If you just add your wires onto the capacitor leads, it's not going to work correctly. The signal should be injected (i.e. your wires connected) to the + leads on the capacitors (like you tried originally), however those leads need to first be desoldered from the circuit board. If you leave them connected, the existing input (radio, cassette, whatever) will kill your injected signal, and you'll be left with a very quiet signal as you have discovered.

You need to desolder and disconnect those + leads on each capacitor from the board, and connect your wires to those leads.

If you want to retain the ability to use your radio/cassette, you'll need to install a DPDT switch or (preferably) a DPDT relay that switches the capacitor + leads between their original connections on the circuit board and your new AUX input connections. You can't have both connected at the same time.

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Re: Aux input on 99 gl1500se

Postby 93aspy » Sat May 17, 2014 7:18 pm



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