Does anyone have the resistance reading for both the "pull in" and "hold"
coils on the A Type Overdrive? My overdrive works fine until the
transmission is fully warmed up. At that point the overdrive won't engage.
In 4th gear I can hear both the under dash relay and the solinoid engage
when the car is stationary and cold, when it's warm I can't hear the
soliniod engage. The Relay and column switch are working properly as I get
12 volts on the yellow/purple wire with the ignition on and the column
switch in the engaged position.
The top of my shifter forks were badly grooved so I replaced both of the
forks and installed new isolation switches. These all checked out correctly
through all the gears. I want to take reading on both of the solinoid coils
when cold and then after the OD quits working.
I hope someone has this information or knows where to get it.
Douglas Byam
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