Quote:
Originally Posted by megerian
This may not be helpful but I have a 1988 cab and there is for sure a parking brake switch. Without the brake engaged the top doesn’t move. I am also wondering about your statement that it moves forward and back but then you said in one direction the motors will not move. Can you clarify?
Also when you talk about the switches are you talking about the switches at the front of the cab top or the white switches behind the right side speaker cover?
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Yes, 88s did not originally come with an emergency brake switch, but they were updated at some point and if the module has a 964 part number, which I remember mine does, you have to have the emergency brake on. This likely isn't your problem, but it may be worth checking the emergency brake sensor. If I recall correctly, there is a handoff that takes place from one motor to another in the sequence as the top nears vertical so it could be an issue there as well. Travel switch senses the open but the next switch not sensing the fully extended position as the top fully opens. Just shooting in the dark trying to help. Good luck!