Pinouts >  GM Chevrolet, Buick, Pontiac, Saturn, Cadillac OEM car audio
24 pin GMC 12110244, 12110088 (15306210) Radio Harness connector layout
24 pin GMC 12110244, 12110088 (15306210) Radio Harness connector
for wide range of models produced in 2003-2009 years. Should be compatible p/n 1035957, 15917881, 15927261, 15196057, 15184935, 25753974, 15196055, 15234935, 25753974, 10357886, 15195858, 10359577, 10359565, 15184935, 28058188, 10359594, 15849619, 15115013, 10359565, 15927256. Saab 15783685, 15774309.

 

24 pin Gray 12110088 connector

Pin
Number
wire color UQ3/UQ5  UQ7
1 ORN Radio Class 2 Serial Data
3 PPL N/A Rear Seat Audio Enable Signal (UQ7 w/o Y91)
4 RED N/A FM Composite Signal (UQ7 w/ Y91)
8 TAN Left Front Speaker Output (+) (UQ3/UQ5)  Left Front Low Level Audio Signal (+) (UQ7)
9 GRY or DK GRN Left Front Speaker Output (-) (UQ3/UQ5) Left Front Low Level Audio Signal (-) (UQ7)
10 LT BLU or BLK Right Rear Speaker Output (-) (UQ3/UQ5) Right Rear Low Level Audio Signal (-) (UQ7)
11 DK BLU Right Rear Speaker Output (+) (UQ3/UQ5) Right Rear Low Level Audio Signal (+) (UQ7)
12 BLK/WHT Ground
B1 ORN Battery Positive Voltage
B3 PNK or DK GRN   Radio On Signal (UQ7 w/o Y91) or 
Antenna Enable Signal (UQ7 w/ Y91)
B4 BRN/WHT Instrument Panel Lamps Dimming Control (w Y91)
B5 BLK Ground (w/ Y91)
B6 GRY/BLK   Radio Mute (UQ7 w/o Y91)
B8 BRN Left Rear Speaker Output (+) (UQ3/UQ5) Left Rear Low Level Audio Signal (+) (UQ7)
B9 YEL or DK GRN/ WHT Left Rear Speaker Output (-) (UQ3/UQ5) Left Rear Low Level Audio Signal (-) (UQ7)
B10 DK GRN or ORN/BLK Right Front Speaker Output (+) (UQ3/UQ5) Right Front Low Level Audio Signal (-) (UQ7)
B11 LT GRN Right Front Speaker Output (-) (UQ3/UQ5) Right Front Low Level Audio Signal (+) (UQ7)

UQ3 - SPEAKER SYSTEM,PERFORMANCE ENHANCED AUDIO
UQ5 - SPEAKER SYSTEM,4,DUAL FRONT DOOR MOUNTED,DUAL
UQ7 - SPEAKER SYSTEM,BOSE,PREMIUM PERFORMANCE
EXTENDED RANGE QUARTER MOUNTED
Y91 - LUXURY EDITION OPTION,'LE'
U2K- DIGITAL AUDIO SYSTEM S-BAND
U2L - DIGITAL AUDIO SYSTEM L-BAND

 

12 pin 12064799 connector

Pin
Number
wire color Function
C BARE Drain Wire (w/ U2K/U2L)
E DK GRN/WHT Vehicle Speed Signal (w/ Y91)
H DK GRN/ WHT Remote Playback Device Right Audio Signal(w/ U2K/U2L)
J BRN/WHT Remote Playback Device Left Audio Signal (w/ U2K/U2L)
K BLK/WHT Remote Playback Device Common Audio Signal (w/ U2K/U2L)
L ORN/BLK Cellular Telephone Voice Low Reference / Remote Radio Audio Output (-)
M PNK/BLK Cellular Telephone Voice Signal / Remote Radio Left Audio Signal

UB0 Head Unit

p/n 10357894 , 15104155 , 15138488 , 15184932 , 15198700 , 15756188, 
15295371, 15234915, 10359576, 15850275 

 

UM8 Head Unit p/n 15800001 

also p/n 15230099, 10377531, 15800001, 15204334, 15204335

 

12 pin GM 12064799 (15305996) wiring harness connector layout
12 pin GM 12064799 (15305996) wiring harness connector
According to 8 reports in our database (7 positive and 0 negative) the Chevrolet (2003-2010), Cadillac, GMC, Saab 9-7X Head Units pinout should be correct.

Is this pinout
Chevrolet (2003-2010), Cadillac, GMC, Saab 9-7X Head Units visual pinout:click to enlarge
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