K33 HVAC Control Module X1 Connector End View

WARNING: This page is about a different car, the 2011 Chevrolet Camaro. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: K33 HVAC Control Module X1 Connector End View

Courtesy of GENERAL MOTORS CORP.

K33 HVAC Control Module X1

Pin	Wire	Circuit	Function
1	0.8 RD/WH	3340	Battery Positive Voltage
2	0.35 D-GN	5060	Low Speed GMLAN Serial Data
3	-	-	Not Used
4	0.35 YE	7531	Linear Interconnect Network 9
5-7	-	-	Not Used
8	0.8 BK	1450	Ground
9	0.35 PK	539	Ignition Voltage
10-14	-	-	Not Used
15	0.35 GY/BK	754	Blower Motor Speed Control
16-18	-	-	Not Used
19	0.35 WH	193	Rear Defog Relay Control
20	-	-	Not Used

Connector Part Information

Harness Type: Instrument Panel
OEM Connector: 15491305
Service Connector: 15126709
Description: 20-Way F USCAR 64 Series (BN)

Terminal Part Information

Pins: 1, 8
Terminated Lead: 13575742
Release Tool: J-38125-215A
Diagnostic Test Probe: J-35616-64B (L-BU)
Terminal/Tray: SAIT-A02T-M064/20
Core/Insulation Crimp: P/P

Pins: 2, 4, 9, 15, 19
Terminated Lead: 13575867
Release Tool: J-38125-215A
Diagnostic Test Probe: J-35616-64B (L-BU)
Terminal/Tray: SAIT-A03T-M064/14
Core/Insulation Crimp: P/P