You could accidentally short out the power wire to the radio and blow a fuse. But you really do not have to disconnect the battery terminal. Just remove the fuse for the radio circuit and you will be fine.
Remove the seat. You will find the battery under it. Remove the negative terminal first, then the positive terminal.
REMOVAL Turn the ignition switch to the Off position. Be certain that all electrical accessories are turned off. Loosen the battery negative cable terminal clamp pinch-bolt hex nut. Disconnect the battery negative cable terminal clamp from the battery negative terminal post. If necessary, use a battery terminal puller (2) to remove the terminal clamp from the battery post. Loosen the battery positive cable terminal clamp pinch-bolt hex nut. Disconnect the battery positive cable terminal clamp from the battery positive terminal post. If necessary, use a battery terminal puller (2) to remove the terminal clamp from the battery post. Remove the battery cables from the battery. Remove the battery thermal guard (1). Remove the battery hold down bolt (1) and battery hold down (2) from the battery. WARNING: Wear a suitable pair of rubber gloves (not the household type) when removing a battery by hand. Safety glasses should also be worn. If the battery is cracked or leaking, the electrolyte can burn the skin and eyes. Remove the battery from the battery tray.
Disconnect and remove the battery. Cut off the spoiled terminal and replace. Replace battery. Reconnect.
Open bonnet, use a 10mm spanner, undo Negative terminal, then undo Positive terminal, loosen and remove battery bracket. Reverse procedure to install new battery.
there is three fuses that have screws on the bottom side that have to be removed and then the fuses will come right out. disconnect batter before attempting!
First disconnect the ground terminal(black one or (-))by unscrewing the little nuts on the terminal. Repeat on the red or (+) terminal. You may need to lift the terminal off using a screwdriver. They do come off. Next loosen and remove the strap holding the battery down. Remove old battery.
Start by locating the Positive terminal (usually the red one)... Disconnect it from the battery. Then do the same for the Negative terminal (the black one). Then there may be a small hex head bolt at the bottom the the battery, check for it and remove it, the battery should come right out.
Remove the seat. The battery is under a cover right under the seat and next to the gas tank. Remove negave terminal first, then positive terminal. Release strap holding battery. Pull out battery.
Remove the positive battery cable from your 1997 Toyota Corolla battery. Tighten the starter with the retaining bolts. Attach the cables to the front of the starter. Reattach the positive cable to the battery.
Getting a factory terminal is likely not worth it. First make sure the battery cable has enough slack to cut off the terminal, shave back the insulation and use a new terminal. If you don't have enough slack, you'll need to replace the entire cable. If you have enough, remove the battery to save yourself from accidentally grounding/shorting our the battery. Remove the negative battery cable, then remove the positive. Remove the battery. Cut the battery cable where the terminal is. Strip about an inch of insulation. For my 2003 TL, I had to use the truck size terminal from Autozone as the normal one would not fit the 2 battery cables. Truck size = $3.50, car size = $2.99, not a big difference. Make sure the cable is free of corrosion. If there is any of the powder blue dust, clean it all out with a wire brush. Get the battery cable into the new terminal and tighten. Use electrical tape to cover any excess uncovered battery cable. Pop the battery back in, install the positive terminal then the negative terminal.
Undo the single screw on the rear fender, lift, slide back and remove the seat. At the battery, undo the negative terminal, undo the positive terminal, remove the battery from the box. Refit is the reverse of removal.
Ensure you get the proper battery to replace the old one. Remove the nut and bolt that hold the stays of the old battery in place, then remove the plus and minus terminals (Need a 10mm open ended spanner generally) once all removed put in the new battery and connect terminals ENSURING that plus connector goes to plus terminal, after terminals connected replace the battery support stays and tighten, all done !