There is nothing wrong with them, they work great. The pin-out configuration is different so don't put a 98 PCM in a 99+ LS1 unless you like brick shaped boat anchors.
 WTH JUST HAPPENED?
 
					
					
						WTH JUST HAPPENED?
					
					
                                        
					
					
						There is nothing wrong with them, they work great. The pin-out configuration is different so don't put a 98 PCM in a 99+ LS1 unless you like brick shaped boat anchors.
See my truck data in the "My Garage" section here... http://www.ls1truck.com/forums/my-ga...tml#post191709