i own a 1990 xjs convertib
le. i have had problems in the past with the rear windows not properly going up when the top is returned up in the past i cleaned the contacts and i also removed the cover to the top motor and found a broken rubber piece when i removed the rubber the window went up fine. now i have a problem on the other side.i know it could be the motor but are there any fuses or switches that i could check before i replace the expensive motor. i wish the was akit to retro fit seperate switches for the rear windows seperate from the top mechanism i would appreciate anyones advice and help thanks mike