I have a 93 chevy astro van the brake light came

try pressure bleeding the brake call around if you have a muffler man near you they are about the cheapest also make sure your master cylinder is good and the brake sensor are good try these websites www.alldatadiy.com and www.autozone.com if all fails stop by your local library and get your hands on Haynes auto repair manual for your car wish you the best of luck Michigan Man.