Whump here it is!
1) the fender side panel needs to be removed. there are 3 torx screws on the lower 1/2 of the fender There is 1 10mm bolt at the top rear of the side panel next to the door and one 10 mm hiding under the side panel between the skirt ( lowermost body piece) and the panel your trying to remove.
this gets the panel out
2)13mm battery tray lock down bolt at rear base of the battery
3) the 2 battery connections.
Convertible top release
1) replace battery
2) there is a lever between the two seats( on the bottom of the deck lid) pull lever twds drivers seat this releases the top rear catches. Fold rear of top up to 12 0'clock position.
3) using switch on drivers door rearmost middle back, depress switch and you should hear a click by the rear deck, this releases the rear deck catch and it SHOULD lift up.
Mike
88 Convertable