also the alam will activate but the interiors light will stay but will go off about 20min also when activate alams lights doesn't not flash.
i have a 2004 bonneville and my door ajar light and intertor lights stays on. on 1994 Pontiac Bonneville
door switch is bad get a diag of which switch it is and have it replaced
Agree with Greg. Door ajar switch is bad and needs replaced.