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diagnostics for cruise control computer and vaccum unit 200 1989

posted by  Mr Data on  Thu Sep 17 16:55 CST 2009
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last visit: Tue May 14 22:44 CST 2013
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I have an '85 240 DL with the Dana unit under the dash on the firewall above the passenger's feet. It, too, quit a couple of months ago. Checked vac hoses from the underhood servo to the brake pedal interrupt and from the servo to manifold. Vacuum holds ok. 12 volts at the connector of the module on the inside firewall. What else to check? Puzzling. Dana's are good units. Had an aftermarket unit on an old Chev years ago. Any common fault to check? Any source of a wiring diagram?






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New diagnostics for cruise control computer and vaccum unit [200][1989]
posted by  lrisius  on Tue Sep 15 14:10 CST 2009 >


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