Rear Parking Assist (RPA) Module Connector End View

Courtesy of GENERAL MOTORS CORP.
Connector Part Information		12124957 26-Way F (BK)
Pin	Wire Color	Circuit No.	Function
1	YE	2375	LR Corner Object Sensor Signal
2	OG	2376	LR Middle Object Sensor Signal
3	D-GN	2377	RR Middle Object Sensor Signal
4	RD	2378	RR Corner Object Sensor Signal
5	D-BU	2374	Object Sensor Supply Voltage
6	GY	2379	Object Sensor Low Reference
7-11	-	-	Not Used
12	BK	850	Ground
13	PK	1439	Ignition 1 Voltage
14	BN	9380	Rear Parking Assist Disable Switch Input
15	L-GN	24	Backup Lamp Supply Voltage
16	L-GN	2525	Rear Parking Assist Diagnostic Input
17	-	-	Not Used
18	D-GN	389	Vehicle Speed Signal
19-21	-	-	Not Used
22	L-BU	2380	Rear Parking Assist Chime Signal
23	WH	2370	Telltale Assembly Supply Voltage
24	GY	2373	Red Indicator Control
25	D-BU	2372	Center Amber Indicator Control
26	OG	2371	Left Amber Indicator Control