I recently acquired an '81 Corvette. The alarm system worked well until I replaced all the weatherstripping. I had an especially difficult time seating the glass t-top rubber! The old rubber was well crushed and the panels actually fit flush with the "halo". The new rubber allows me to adjust the panels to within approx. 1/4 in. above the "halo". Also I can't get the rear pins to penetrate the t-panel switches very far. I can't get the panels to seat squarely on the roof. I've loosened all the hardware, and tried shimming. The outside rear corners are out of square approx 3/8". I guess my question is do the panel switches have to be depressed to arm the alarm??? If this is the case I'm assuming the alarm is not usable with the top panels off? Any tips with either of these problems would be greatly appreciated!!