BATTERY/BCM DRAINAGE EXPEDITION 4 to 8 Sync 3 Upgrade Kit
Are you experiencing battery drainage or your BCM does not sleep after the vehicle is turned off?
Make sure that you are running the power to an ignition source as seen on the installation video. The same plug that will run to an ignition source is the single extended cable that is connected to the harness that will also connect to the new HVAC. Please reference the photo below showing the harness.
Installation Video: Please forward to 7:05 mins of the video to see the harness.
If you've received a harness and it does not have that connection please click the link "Create A Ticket" from our support page on our website and attached a photo of the harness that you received explaining the issue. A representative will contact you within the next 24 hours.
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