trans problen need help please

[tom01mxz800]

ok here goes after droping off my trailer at the storage place yesterday as i drove away my truck wouldnt shift into 3rd gear also if i let off the gas it would then go into nuetral and rev out and wouldnt engage into gear untill it slowed down to around 20 mph anyway i checked all my fuses and they are fine in the cab and under the hood has anyone heard of this before? i managed to limp it home with the rpms at 3000 doing 40 at best tranny and rear end fliuids are full basicly i have first and second gear reverse its a 97 150 5.4 with 84000 miles auto trans and no i dunno what one it has nore how to find out so any help would be appreciated thanks tom

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[beastie]

When I lost 3rd gear and Od, it owuld go into 3rd every now and then, and it would neutral out once the fluid got warmed up. In my situation the tranny was gone, and I needed a rebuild.

[tom01mxz800]

well its gotta be something stupid like an electrical problem because it was fine and then all the sudden it was messed up
the tranny fluid isnt burned or discolored

[danny owens]

when there is an electrical problem, most of the time the OD lamp blinks.

[tom01mxz800]

well i discovered that i have a e40d tranny if that helps and i will have to check that light i havent drove it obviously in 3 days and i havent started it either but when i was driving it home i didnt notice it
thanks for the replies