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Newbie needs help--91 745T w/ dead O/D 700 1991

Thanks, George.

In response to your questions, yes, all fuses and relays have been checked and confirmed as good. Wiring connections are also good, and power is sent to the solenoid, although the solenoid itself is dead. A replacement solenoid did not activate the O/D, however.

The mechanic diagnosed the problem as an internal failure. He said that the solenoid opened a valve in the transmission assembly that then engaged the O/D gear, but his guess was that the valve was shot and could only be corrected with a rebuild (which they don't do).

Anybody have any thoughts on the diagnosis?

Thanks again, Edd






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