retained power f 250?
Printed From: the12volt.com
Forum Name: Car Audio
Forum Discription: Car Stereos, Amplifiers, Crossovers, Processors, Speakers, Subwoofers, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=114425
Printed Date: July 14, 2025 at 4:21 AM
Topic: retained power f 250?
Posted By: zmann
Subject: retained power f 250?
Date Posted: June 13, 2009 at 7:09 AM
I have checked and checked but I can't find a schematic or wire color for the retained power at the head unit? I wanted it to activate my xm ,, right now if I shut the truck down my XM unit shuts off and the stereo plays static while it is in the retained power before you open the door mode
2006 F250 superduty 6.0 diesel
thx Z
Replies:
Posted By: Velocity Motors
Date Posted: June 13, 2009 at 7:43 AM
You have to hard wire the XM radio plug wires to ground and the ACC wire behind the radio.
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Jeff
Velocity Custom Home Theater
Mobile Audio/Video Specialist
Morden, Manitoba CANADA
Posted By: zmann
Date Posted: June 13, 2009 at 9:30 AM
it is hardwired now but I think there is a retained power lead at the stereo ,, right now the acc lead will turn off but the radio stays on after you turn the ignition off I want the xm to remain on while the stereo is in the retained power mode ( this is a convenience feature that terminates as soon as you open a door )
Posted By: tommy...
Date Posted: June 13, 2009 at 9:44 AM
Not sure of RAP wire...But worse case you can use the RAP relay in the relay section...And wire the XM seperately to the relay...Shuts off when you open door...Or grab a meter and see which wire stays powered untill door opens...
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M.E.C.P & First-Class
Go slow and drink lots of water...Procrastinators' Unite...Tomorrow!
Posted By: zmann
Date Posted: June 13, 2009 at 11:21 AM
I was sure I had read that this ford had a RAP output lead at one time ? I know my last GM only stayed on because the factory head unit was built that way and there was no output wire, I will grab my meter and see whats up thanks
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