Assuming it's a Northstar, it is inserted into the valve cover nearest the firewall on the passenger's side near the coil pack.
service engine soon 1992 eldorado
No
8
its on the front of the engine
2
No
Premium Unledded fuel.
Any window from a 1992-2002 Eldorado would work as they were all the same in those years
92-97 Seville
driver side, easily visible and accessible from above
horn don't work a 1992 elderado, where is it or where is fuse panel for horn ?
hold off and warmer button at same time on heater controls