transmission is auto-with overdrive on 1995 Ford F-350

over-drive off light blinks off and on, also it began shifting real hard fluid level ok, it has powerstroke engine,

by in Valley Mills, TX on November 03, 2010
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3 answers 2 comments
ANSWER by , January 15, 2011
Chek your fuse that is 15 amp chang it to a 20amp and it will stop doing that am a tech on fords that's all I have at my house and I have a truck that did the same thing
COMMENT by , May 09, 2011
best explanation i have heard
ANSWER by , May 17, 2011
thanks for your replyes
COMMENT by , January 07, 2014
What fuse?
ANSWER by , November 07, 2010
The light is indicating that the transmission controller has detected a malfunction, the hard shifting is probably bacause the controller is running the trans in fail-safe mode to avoid damage to the unit. When the light's on, there are data and trouble codes stored in the controller which can be accessed by a technician with a scanner. Find a transmission shop or a Ford specialist. Here's a directory link for you: