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Cruise control


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jerryg46
New User

Jul 20, 2010, 6:34 AM

Post #1 of 2 (991 views)
Cruise control Sign In

I have a 1990 silverado with 70k miles on it. The cruise quit working and the mechanic replaced the turn signal switch. It worked for 2 months and quit again. The mechanic said the switch was working and that it was sending the power to the control box mounted on the firewall. So he replaced the control box with a used one. Still no cruise. He ordered another used one and installed it. No cruise. How do you trouble shoot the cruise in laymans terms? Thanks, Jerry


Tom Greenleaf
Ultimate Carjunky / Moderator
Tom Greenleaf profile image

Jul 20, 2010, 7:24 AM

Post #2 of 2 (984 views)
Re: Cruise control Sign In

A maybe: Do brake lights work properly? Cruise generally will shut off when sensing brakes being applied,

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