Hi,
I've got a 1992 Ram 150 5.2L 2wd with about 210k.  I haven't had overdrive
for quite some time now, and I'm finally getting around to trying to fix
it -- truck shifts well other than that.  I'm hoping its just a wiring
problem, computer has the overdrive solenoid code and the o/d on/off button
on the dash will not light.  I want to hook the solenoid directly to power
to test it but I don't know where the wiring for it is.  The Haynes manual
doesn't mention it at all.  I thought that it was the orange/blue wire on
the tail housing, but that turned out to be the speed sensor.  The only
other plug I can find is a three prong that I believe is just neutral safety
and reverse lights.  Does anyone know where the wiring for the o/d solenoid
inputs into the transmission?

Thanks