Need help with XM install please!

[94bronco58 10+ year member]

Ok this might get confusing but here it goes anyways... I installed the Roady 2 XM receiver in my truck a while back... everything worked perfect, gave that receiver to my brother (all wires still in same place from Roady 2 in my truck)... received a SKYFi2 receiver and put it in there using the same wires that I used from the Roady 2 (All looked the same when I compared them) now im getting alternator interference when the engines running... its wired into my head unit (no FM modulator) and when i pull the RCA's out from either the XM or the head unit the noise goes away... its not the RCA's and its not the ground or power wires going to the XM... can anyone possibly tell me what is causing the interference?

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[Vestax 10+ year member]

The mini jack used on some portable Xm or Sirius units uses a different jack. Check the mini plug or quarter inch plug, the contacts may not align correctly.

 

[94bronco58 10+ year member]

Would that be the one for the power? Which one is the mini jack?

 

[94bronco58 10+ year member]

Anyone else have any suggestions? Im getting frustrated with this thing cause I can only listen to it when im not driving, any help would be appreciated

 

[steelr 10+ year member]

I believe the skyfi2 and the roady2 may use different power voltages. Check over at xmfan.com and they can help you.

 

[94bronco58 10+ year member]

That site is exactly what I needed... thanks for the help guys //content.invisioncic.com/y282845/emoticons/smile.gif.1ebc41e1811405b213edfc4622c41e27.gif