Which is the main ecu on my 95 cadillac sedan deville

remove the transmission , (clutch if manual) flywheel then seal
get a workshop manual as the procedure is too complicated to explain it here

check under car see if heatsheild for exhaust is bent up and hits on driveshaft

It might connect to the transmission, but I would be shocked if the wiring harness was the same.
A salvage yard should be able to tell you what will match up to the 95 model.

You start with the radio off then press the set button. You may have to hold it. Use the scan and seek buttons to set time.

Have Auto Zone load test the battery and check the alternator. It free of charge and they will tell you which is bad

Pretty dependable,but not cheap to repair when there is a problem.

lower left side on driver's side near the hood release.

You should be able to get a remanufactured trans from your GM dealership with a 3year warrenty installed around 3500.00-3800.00 dollars.

dee if the linkage is binding first, clean the throttle body and lubricate all moving parts if this doesn't solve it an accellerator cable may need replacing

I'd start by tracing the fuel supply and return lines from the gas tank to the engine compartment. Make sure that they are free of kinks or other damage.

Next, check the fuse box and make sure there is power to the fuel pump. Trace the electrical connections leaving the fuel tank and make sure they weren't torn or otherwise damaged by the tire tread.

Hope this helps and good luck!