hey man! welcome!!
i have a bg astina (1989-1994 with popups) and the rear sprayer doesnt work well like yours-but i found if i held the switch on the wiper arm long enough (that puts water on the back screen) say for 10 secs, eventually it would spray-not realy sure why-faulty connection? blockage? i dunno
do u have a hatch? is it 2.0 V6 or 1.8?
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