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brake light or lights out. all 80's n newer cars have this let me know if it is it

- vacuum check valve (under ignition on driver side)
- vaccum tank (in front of front driver side wheel)
- vacuum hose (all, including the one going to the vacuum release valve on the brake pedal)

- vacuum release valve on the brake pedal
- electrical switch on the brake pedal
- turn signal lever (cruise control)
- cruise control servo
- cruise control module (part of the digital dash), in particular the transistors driving the vacuum valves in the servo


Made a detailed article here. It is in french, post a personal message in the forum if you need help with translation or anything else. I had 3 issues in my cruise and cured them all including digital cluster problem.
http://corvetteclubfrance.forumactif.com/electricite-et-electronique-f13/c4-cruise-controlremplacement-des-transistors-de-commande-t6628.htm

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โˆ™ 2009-11-23 14:26:53
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Q: Why might the cruise control not work in an 1986 Corvette automatic?
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