Adding an aftermarket radio to 07-14 FAQ

[jrobie79]

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wait, so the maestro GM5+ or the crutchfield iDatalink HRN-HRR-GM2 plugs into the radio and then the satellite XM receiver will get a satalite signal through that?​

it's an external XM tuner that plugs into the radio so hence the confusion.

Yes I connected the GM5+ to all open connectors (except the rear AV harness, never used before, don't plan on using now) and then in the Alpine radio settings I had to select factory XM tuner, and it's been working fine for a year. No extra harness connections or anything.