if you have wires going to your transmission, you would have the 46RE
, later renamed 46RH (hydraulic controlled governor pressure) and 46RE
(electronic controlled governor pressure), is an A727 derivative with overdrive, in the A500 ilk. Starting in the early 1990s, it was used in trucks and vans. The overdrive fourth gear ratio is 0.69:1.
Automatic Transmission Identification
Transmission identification numbers are stamped on the driver side of the case flange just above the oil pan gasket (just below the TV lever). There will be a 9 digit part number, a space, a 4 digit build date, a space, and a 4 digit serial number.
Auto Trans code breaks down like this:
4 = 4 forward speeds
6 = strength of trans. (1-9, higher number, stronger trans.)
R = Rear wheel drive
H=Hydraulic controlled, E = Electronic controlled shift