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Oldsfan · 09-11-2006, 07:10 AM

Guys, there should be a label in the trunk on the underside of trunk lid, called an RPO or SPID label. All kinds of 3 digit codes on there. Transmission codes start with M. Send me your M codes and I can tell you what model trans you have.

Paul

09-11-2006, 07:10 AM	#5 (permalink)
Oldsfan Senior Member Join Date: Jul 2006 Posts: 427	Guys, there should be a label in the trunk on the underside of trunk lid, called an RPO or SPID label. All kinds of 3 digit codes on there. Transmission codes start with M. Send me your M codes and I can tell you what model trans you have. Paul