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XM Radio - constant power or ACC?

By shacall · Nov 13, 2007in Problems/Troubleshooting💬 3 posts👁️ 704 views
Posted Nov 13, 2007 · 02:15 UTC#1

Hi,

I've noticed a few others having this issue, but I wasn't sure what the clear answer was.

 

My XM presets are erased every time I shut off my truck. I'm assuming it has something to do with the power wire. Does the XM module need constant power...or just ACC?

 

I was hoping that I just didn't know how to use the presets, but it looks like I made a rookie mistake...and will need to rip apart my dash once again :(

 

Thanks!

Posted Nov 13, 2007 · 02:51 UTC#2

Constant power, or it will lose it's memory every time you shut off the car.

The unit powers on and off via a signal from the D3 over the IPBUS cable rather than the power wire being switched.

Posted Nov 13, 2007 · 03:22 UTC#3

Ughhh...that's what I was afraid of. Thank you very much for the quick reply!!!