When the brake and battery lights come on together its a failing alternator (even if the truck runs and starts, it will soon fail) but I've never heard of the trans temp coming on with it. Wouldn't hurt to check the alternator voltage.


88 4R, 350 V8, R150 5 speed Sold <...uot; />
97 4R, stock, daily driver
98 Sienna, kid and dog hauler, wife's ride