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#1
05-02-2022, 09:06 PM
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Onstar mirror wiring
Anyone with a 2008 vintage service manual have a wiring diagram for the rear view mirror with onstar, map lite, compass.
Thanks, George
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"...out to my ol'55, I pulled away slowly, feeling so holy, god knows i was feeling alive"....written by Tom Wait from the Eagles' Live From The Forum |
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#2
05-03-2022, 01:41 PM
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If you're chasing the onstar portion of the mirror, I am pretty sure it communicates through the BCM and radio;
I have a 2009 Cobalt SS (sedan) that I have brought back to stock from pretty decent disrepair ect - and one of my persistent issues is that the XM antenna isn't seen; I have: "DIGITAL RADIO RECIEVER - NO COMMUNICATION" "VEHICLE COMMUNICATION INTERFACE MODULE B1001 SYMPTOM 46 OPTION CONFIGURATION ERROR" "VEHICLE COMMUNICATION INTERFACE MODULE B2476 SYMPTOM 04 CELLULAR PHONE SELECT SERVICE SWITCH OPEN CIRCUIT" I share this incase I am barking up the same tree as you; I bought a full set of factory service manuals for a 2009 Cobalt shortly after I bought my coupe - if there is a diagram there, I would be happy to share it. I may have stumbled on a reset that I never tried that may fix it, but I have tried chasing wires, and cannot identify an issue - but the car did have the factory deck pulled, and the factory xm/onstar system disabled for garbage aftermarket stuff when I got it.
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1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
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#3
05-03-2022, 02:55 PM
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Hi..thanks for the response.
I have a 2008 mirror from an HHR and it has Onstar, etc. and courtesy lights, which I need to replace the old mirror in my Caddy Allante. I have been able to find most of the wiring used except pin 1 in the harness I have; most sources i found don't show pin 1. This wire is gray in the HHR and I believe it's use is the interior lights. I don't care about the Onstar functionality, which seem to be pins 11, 12 14 and 15 which actually connect to the external radio,/ cell interface. If your manual shows the pinout i would appreciate a copy. Please send me a private message and I'll send my email address to you. Sorry, I can't help with your error messages. Thanks in advance. george
__________________
"...out to my ol'55, I pulled away slowly, feeling so holy, god knows i was feeling alive"....written by Tom Wait from the Eagles' Live From The Forum |
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#4
05-03-2022, 02:59 PM
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gotcha - let me look into this for you.
__________________
1970 Formula 400 Carousel Red paint on Black standard interior A no-engine, no-transmission, no-wheel option car. Quite likely one of few '70 Muncie three speed Formula 400's left. 1991 Grand Am: 14.4 @ 93.7mph (DA corrected) (retired DD, stock appearing) 2009 Cobalt SS: 13.9 @ 103mph (current DD; makes something north of 300hp & 350ft/lbs) |
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