between the transmission and the transmission housing
I believe yours has a starter mounted solenoid and not a relay.
The starter for a 97 Regal will be located on the side of the engine for most motor sizes. It is close to the rear of the engine near the bellhousing.
were can i locate and replace a starter for a 1998 buick regal?
The 2002 Buick Regal has a V6 engine.
The 2003 Buick Regal has a V6 engine.
The 2004 Buick Regal has a V6 engine.
The 2001 Buick Regal has a V6 engine.
The 2011 Buick Regal has an inline 4 engine.
The 2012 Buick Regal has an inline 4 engine.
The 2013 Buick Regal has an inline 4 engine.
The 2014 Buick Regal has an inline 4 engine.
The starter is at the rear of the engine and bolts to the flywheel housing. There is a cover over it making it hard to see.