2005 ford expedition w/rear entertainment center.

The blinker sound is through you door speaker. Need the radio to work properly to hear the blinker.

Click Here for wiring diagram information

You need to have one wire on an always 'hot' power feed. Be careful, as some GM products have a timer that shuts off the power after a 10 minute timer, so that could be your issue. Are you talking about a factory installed XM, or one like the photo above?

Audio & Entertainment Audio System Lexus Premium Sound System with Automatic Sound Levelizer (ASL) and in-dash, six-disc CD auto-changer Speakers 11 Audio System Mark Levinson® [3] Premium Audio System with Automatic Sound Levelizer (ASL) and six-disc DVD/CD auto-changer Optional
Speakers 14 Optional
Watts 240 @ 0.01% THD, 20-20,000Hz [21] Optional
MP3 Audio Input Plug MP3 audio input plug Rear Audio Rear-Seat Audio System (RSAS) Optional
Antenna In-glass antenna with FM-diversity system Satellite Radio XM® Satellite Radio capability [22] Optional
DVD Entertainment System Lexus DVD Rear-Seat Entertainment System (RSES) Optional
Wireless Headphones Included with DVD Rear-Seat Entertainment System (RSES) [23] Optional
http://www.lexus.com/cpo/model_library/GX/2007.html Wheen you click this link scroll to the bottom of the page. It will be under Audio & Entertainment.

connector should fit - provided that there is ONLY one connector for the SatRad and not two.
You might have to trim off some yellow, or pink or green plastic, but the metal connector should fit.

You can make one if you have the 4 pin white nylon connector. You only need 3 pins, one to 12volts for memory, one for 12volts accessory radio power, and one for GROUND. Let me know if you have the 4 pine white nylon connector, then I'll get you more info, okay?

use google. i did and i got this
Car Radio Battery Constant 12v+ Wire: Light Green
Car Radio Accessory Switched 12v+ Wire: Yellow/Black
Car Radio Ground Wire: Black
Car Radio Illumination Wire: Light Blue/Red
Car Stereo Dimmer Wire: N/A
Car Stereo Antenna Trigger Wire: N/A
Car Stereo Amp Trigger Wire: N/A
Car Stereo Amplifier Location: If equipped, the factory amplifier is located behind the trim panel on the right side of the cargo area.
Car Audio Front Speakers Size: N/A
Car Audio Front Speakers Location: N/A
Left Front Speaker Positive Wire (+): Orange/Light Green
Left Front Speaker Negative Wire (-): Light Blue/White
Right Front Speaker Positive Wire (+): Dark Green/Orange
Right Front Speaker Negative Wire (-): White/Light Green
Car Audio Rear Speakers Size: N/A
Car Audio Rear Speakers Location: N/A
Left Rear Speaker Positive Wire (+): Gray/Light Blue
Left Rear Speaker Negative Wire (-): Tan/Yellow
Right Rear Speaker Positive Wire (+): Orange/Red
Right Rear Speaker Negative Wire (-): Brown/Pink

Hi it is the Sirius and Xm merger. The channel's being changed are normal. My XM radio did the same thing a month ago.