that has happend to me in a few cars on thoses cars when both those lights came on it ment problem with the battery or charging system, strange cause i would have thought the battery light would of come on.
on rangers low brake fluid causes just the e-brake light to come on (for mine anyways)
1999 ranger 4x4 supercab, 4.0L
-3 inch PA body lift
-16 inch pro comp alloys
-33x11.50 BFG all terrain
-Go Rihno roll bar with 4 KC Daylighter lights
-weston bull bar
-air box mod, tightend throttle cable.