i have a 1995 4X4 blazer 2n gen 4.3 vortc. after driveing for a while the car warms up.then i come to a stop and then dose not down sifte on its owe. so when i leve the stop i am still in 5th takes for ever to get up to speed.i have to manuly sift down then back up when i come to a stop.doing this is makeing my car over heat.and its a pain when i go off roading i have tookin it to meany ppl and thay have no idea hope u can help me someone sayed that it chould be electrical issues but i have no idea where to look plz help