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unOfficial 2008 alpine iDA-X--- series HU thread
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<blockquote data-quote="SnowCommando" data-source="post: 6184413" data-attributes="member: 607429"><p>I've had the exact same problem with the IDA X100 - PAC SWI JACK combo.</p><p></p><p>When the dimmer is set to ON in the head unit, and the headlights are on, steering wheel controllers are disabled.</p><p></p><p>Turn the dimmer off, and the steering wheel controllers work again.</p><p></p><p>Very annoying driving around with a superbright screen at night or losing steering wheel functions.</p><p></p><p>My theory is that the steering wheels controls operate by varying the resistance on the wires to the PAC SWI JACK. Turning the dimmer on must impair the head units ability to distinguish the changes in resistance. You may notice that the solid red light usually flashes on the front of the head unit when you press a steering wheel control, but it stays solid when the headlights and dimmer are on.</p><p></p><p>Anyone else???</p></blockquote><p></p>
[QUOTE="SnowCommando, post: 6184413, member: 607429"] I've had the exact same problem with the IDA X100 - PAC SWI JACK combo. When the dimmer is set to ON in the head unit, and the headlights are on, steering wheel controllers are disabled. Turn the dimmer off, and the steering wheel controllers work again. Very annoying driving around with a superbright screen at night or losing steering wheel functions. My theory is that the steering wheels controls operate by varying the resistance on the wires to the PAC SWI JACK. Turning the dimmer on must impair the head units ability to distinguish the changes in resistance. You may notice that the solid red light usually flashes on the front of the head unit when you press a steering wheel control, but it stays solid when the headlights and dimmer are on. Anyone else??? [/QUOTE]
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unOfficial 2008 alpine iDA-X--- series HU thread
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