Thread: Wiring two adapters that SEEM to require the same input on head unit.

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  1. #1 Wiring two adapters that SEEM to require the same input on head unit. 
    GTP Level Member nik12937's Avatar
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    I'm going on a road trip soon and I'm hoping to get this installed in an hour or two. I'll give links to the products on Crutchfield since they have extensive info/pictures all in one spot.


    I have a JVC AVX-640 installed in my Pontiac Grand Prix: JVC KW-AVX640 DVD receiver at Crutchfield.com


    I wired it in myself (as with all my car's aftermarket electrical) with the Metra GMOS-01 Adapter: Metra GMOS-01 GM Factory Integration Adapter Retains OnStar® and factory door chime with aftermarket radio in select GM vehicles at Crutchfield.com


    I then wanted steering wheel controls back, so I installed an Axxess ASWC Adapter: Axxess ASWC Steering wheel control interface — connects your car's steering wheel audio controls to an aftermarket stereo at Crutchfield.com


    So that's all and good, but recently I upgraded to a smartphone after my stone age cell broke, and figured I should get a bluetooth adapter to stream music and make calls while driving safer and hands-free. I just recieved this JVC adapter: JVC KS-BTA100 Bluetooth® adapter for select JVC receivers at Crutchfield.com


    This is where I'm stuck. The steering wheel control adapter required soldering a few wires, and then also plugging in the 3.5mm jack into the back of the headunit. Now that I have it in my hands, I can see that this bluetooth adapter ALSO requires use of the 3.5mm input for its own 3.5mm jack...


    What would you guys suggest? I can splice/tap wires and such no problem, in terms of wiring I'm a pro. But I feel like having both 3.5mm jacks spliced into the same input won't work, like the data the headunit receives is going to be all screwed up due to two adapters trying to input data simultaneously...


    Any ideas? :/
    Last edited by nik12937; 12-31-2012 at 04:33 PM.
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  2. #2 Re: Wiring two adapters that SEEM to require the same input on head unit. 
    GT Level Member Erik Adam Rodriguez's Avatar
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    they sell splitters
    02 grand prix gt- L67 swap, ZZP 1.0 pcm, thrasher CAI, SLP 2.5 catback, A/C delete, 02 emulator, poly dog bone mounts, 6000k projectors with CCFL halos, 12 in slotted front rotors, ported blower and intake, evap and EGR deleted, 12" kicker cvr with 1000 watt amp, alpine cda 9886 deck
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  3. #3 Re: Wiring two adapters that SEEM to require the same input on head unit. 
    GTP Level Member nik12937's Avatar
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    I wouldn't even need a splitter, I'll splice and heat shrink if I need to, I'm just wondering if the head unit will even be able to receive data from both adapters at the same time :/
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  4. #4 Re: Wiring two adapters that SEEM to require the same input on head unit. 
    GTP Level Member simbah's Avatar
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    I too have the JVC AVX-640 installed in my GP, just looked at install instructions and it says to plug the Bluetooth adapter into the aux input of the receiver( to accomplish this you will need a 3.5mm female to dual RCA male Y adapter) and then access the BT from the AUX-IN on the source menu of the radio
    'When someone shares something of value with you and you benefit from it, you have a moral obligation to share it with others
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