Should be on top of the starter
Yes
as long as they are both 4.9 liter engines yes,
The starter solenoid on a 1986 Cadillac Coupe Deville is located under the front of the vehicle. It is to the left of the oil pan.
The starter on a 1995 Cadillac DeVille is removed by disconnecting the battery, unbolting the starter, and lowering it slightly. The wiring harness can then be disconnected, the starter removed, and a new unit put in place.
Location of starter on Cadillac 1998 eta
under the lower intake manifold
i belive it is under the intake manifoldnot 100% on that but im about 85% sure on that but i would check first before tearing half your motor apart the get at the starter
Front of engine below exhaust manifold
Jump the starter solenoid Take jumper wire from Battery + to trigger wire to starter (mounted on top of starter)
its located under the engine cover in between the heads
Check out this link. It has all the info you need http://www.freeengineinfo.com/cadillac-northstar-starter-replacement.htm