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how to make cruise control work in school bus?

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David User avatar

In my 1995 IH school bus there are buttons for cruise control but nothing happens when I press them (of course while I am driving). Perhaps going through the computer diagnostics somebody had turned it off? Or perhaps it was never turned on? I'm not sure how all this works.

Post 22 Mar 2007, 08:20

Posts: 3
Location: 112 Hays Road, East Greenbush NY, 12061

Your dealer must reprogram the ECM. This is not available in the diagnostic section.

ovation52 User avatar

There is a small (1½ X 2½) curcuit board behind the dash near the cruise switches. If this fails the cruise/high idle won't work. IHC part 1688638C1

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