The SimuDeck simulation is obviously Sentai footage as always. This fight comes from Mega 2 however they didn't ever destroy this monster in Megaranger.
This shot is when the SimuDeck simulation goes to new footage.
Here's new footage of Voltage Hog.
Here's another shot of Astronema.
Here's another new shot of Voltage Hog.
Here's another new shot of Voltage Hog.
This shot of Voltage Hog is also new.
Here's another new shot of Voltage Hog.
This shot of the Red Ranger is new.
This shot is also new footage.
Here's new footage of the Red Ranger.
The footage of Voltage Hog and the Red Ranger being in all new footage ends when the scene ends which means once you see Andros by the cars in the parking lot.
This shot of the Voltage Hog returning is also new footage.
Here's another new shot of Voltage Hog.
Here's another new shot of Voltage Hog.
This shot of Voltage Hog is also new.
This shot of Voltage Hog is also new.
After you see Andros morph in between the stacked-up cars, the footage goes to Sentai footage.
This shot of Voltage Hog is actually still Sentai footage.
The glowing on the Astro Megazord Saber remained throughout it being stabbed onto Voltage Hog even though that was an added special effect. After Red presses his Stick button in Megaranger, you can clearly see the Saber on "Voltage Hog" however the glowing energy of it was what was the added special effect so that you can't see the Saber as clearly being on the monster.
Here's another shot of Astronema.






Following info comes from Mega 13.
Ecliptor begins to start getting used to his new body.
Here's Voltage Hog.
Here's the Quadroblaster.
Here's Giant Voltage Hog.
Here's another shot of the Astro Megazord Saber but in this instance it's glowing in preparation to be used as an Arrow.
Here's a shot of the Arrow heading for the Voltage Hog. The Arrow attack is what destroys the Voltage Hog.