I recently installed the full featured signal mirror glass from the ('03+) on my '02 truck. I was able to hook up the heat and the turn signals with no problem, but I am having trouble with the auto-dim on the drivers side.


Apparently this is controlled by the autodimming rear view mirror via 2 wires. I've run the wires up into the headliner, but I am not sure which 2 of the 16 pins on the rearview I need to connect to. Does anyone have the pinout list for this connector?


My mirror (onstar integrated) looks like this, with the 16 pin connector shown below.


http://www.sourcerx.com/2500hd/images/mirror.jpg


http://www.sourcerx.com/2500hd/images/connector.jpg

The following info is for the 2002 Inside Rearview Mirror, with Electrochromic, Compass, Outside Temp, and Onstar, connector info;


Pins 1-5 Not Used


Pin 6 DK GRN/WHT Wire 636 Ambient Air Temp Sensor Sig


Pin 7 BLK/WHT Wire 1704 Low Reference


Pin 8 BLK Wire 1850 Ground


Pin 9 LT GRN Wire 1324 Backup Lamp Supply Voltage


Pin 10 Not Used


Pin 11 DK GRN/WHT Wire 2514 Keypad Signal


Pin 12 LT GRN/BLK Wire 2515 Keypad Supply Voltage


Pin 13 PNK Wire 39 Ignition 1 Voltage


Pin 14 YEL/BLK Wire 2516 Keypad Green LED Signal


Pin 15 BRN/WHT Wire 2517 Keypad Red LED Signal


Pin 16 Not Used


Your connector pins are numbered, as shown in picture above;


-top row left to right, pins 1 - 8


-bottem row left to right, pins 9 - 16.


Reference 2002 Helms, pages 8-956, 8-957, 8-959





Looking at the schematics for the Inside Rearview Mirror with Compass, Outside Temp, and Electrochromic, (Onstar NOT included), I noticed the following wires also used:


Pin 5 GRY Wire 1690 Auto Day/Night Mirror Signal, (to Outside Drivers Rearview Mirror connector, pin G)


Pin 16 PNK Wire 1691 Auto Day/Night Mirror Low Reference (to Outside Drivers Rearview Mirror connector, pin B)


This Drivers Outside Mirror Connector is labeled : Top row left to right, pins A-D, and bottem row left to right H-E.


Reference Helms pages 8-955, 8-1063, 8-1076.


I don't know if the Drivers Outside Rearview Mirror Electochromic is really not available with Onstar, or if there is a schematic discrepancy. Hope this helps.

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THANKS to Modified and Top Hog, I am now totally set!


My mirror wiring is EXACTLY as posted by Modified, with no grey wire and 1 pink wire (pin 13). Somewhat frustrated by that, I decided to take another look at the pinouts. Seeing the 2002 mirror without onstar uses PINS 5 and 16 and it says "not used" on mine, I decided to give those a shot.


I just pushed the wires in the pin holes as I don't have the proper female terminals to fit the connector. Fired up my flashlight to make the mirror dim and PRESTO the drivers side mirror dimmed too!http://www.dieselplace.com/forum/smileys/Cool.gif I just need to identify the correct female terminals to fit in the connector, but for now my "custom by cobb" setup is working great.


Thanks again guys!http://www.dieselplace.com/forum/smileys/Clap.gif