Bobby23celeste Posted November 27, 2015 Report Share Posted November 27, 2015 New m9 phone not connecting to headunit.8100 updated firmware .plugged into USB2.also bypassed video. .getting red screen on phone.stating apply parking brake.reinstalled AA on phone.still get a red screen..please help.. Quote Link to post Share on other sites
PaisanNYC Posted November 28, 2015 Report Share Posted November 28, 2015 You don't have the PB wire connected to ground, do you? Quote Link to post Share on other sites
Bobby23celeste Posted November 28, 2015 Author Report Share Posted November 28, 2015 No .it's not grounded.. Quote Link to post Share on other sites
Bobby23celeste Posted November 28, 2015 Author Report Share Posted November 28, 2015 does it have to be? Quote Link to post Share on other sites
Bobby23celeste Posted November 28, 2015 Author Report Share Posted November 28, 2015 Thank you NYC ..I grounded the PB wire.it now works great Quote Link to post Share on other sites
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