Lingenfelter L460160000 Lingenfelter RPM-003 RPM Activated Switch Instructions v1.5 - Manual (Page 15)

Table A
Common vehicle ECM/PCM tachometer signal wiring information
Vehicle Year(s) ECM/PCM ECM/PCM location** Pin Wire color Circuit #
Camaro & Firebird 1996-1997 32U Connector C1 (Red) 13 White 121
Camaro & Firebird 1998 Warren Connector C2 (Blue) 35 White 121
Camaro & Firebird 1999-2002 Warren Connector C2 (Red) 10 White 121
Camaro 2010-2013 E38 Connector C1 (Black) 48 N/A N/A
C/K Truck* 2000-2006 Warren
Connector C2 (Red or
Green)
10 White 121
C/K Truck* 2007-2012 E38 Connector C1 (Black) 48 N/A N/A
Corvette 1995-1996 32U Connector C1 (Red) 13 White 121
Corvette 1997-1998 Warren Connector C2 (Blue) 35 White 121
Corvette 1999-2003 Warren Connector C2 (Red) 10 White 121
Corvette 2004 Warren Connector C2 (Green) 10 White 121
Corvette 2005 E40 Connector C1 (Blue) 48 White 121
Corvette 2006-2007 E38 Connector C1 (Black) 48 White 121
Corvette 2008-2013 E38 Connector C1 (Black) 48 White 121
Corvette ZR1 2009-2013 E67 Connector C1 (Blue) 25 White 121
CTS-V 2004-2005 Warren Connector C2 (Green) 10 White 121
CTS-V 2006-2007 E67 Connector C1 (Blue) 25 White 121
CTS-V 2009-2013 E67 Connector C1 (Blue) 25 N/A N/A
GTO 2004 Warren Connector C2 (Green) 10 Brown 121
GTO 2005-2006 E40 Connector C1 (Blue) 48 Brown 121
SSR 2003-2004 Warren Connector C2 (Blue) 10 White 121
SSR 2005-2006 E40 Connector C1 (Blue) 48 White 121
Trailblazer SS 2006 E40 Connector C1 (Blue) 48 White 121
Trailblazer SS 2007 E67 Connector C1 (Blue) 25 White 121
Trailblazer SS 2008-2009 E67 Connector C1 (Blue) 25 White 121
* VIN C/K Trucks include:
• For 2000-2013:
• Chevrolet Avalanche, Suburban, Tahoe, and Silverado
• GMC Yukon and Sierra
• Cadillac Escalade
** Connectors C1, C2, and C3 (or X1 and X2) may be labeled as J1, J2, and J3 on the ECM itself.
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