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cruise control not letting trans jump in and out of lock up

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Old 11-24-2010, 08:06 PM
lkamp6969's Avatar
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Default cruise control not letting trans jump in and out of lock up

i have had a problem with my cruise control not working..... some times it works some times it doesnt so and recently the trans will kick in and out of lock up i have 4 12" subs in my truck and i noticed that when my subs would hit it would jump in and out of lock up every time from the vibrations so i disconnected the cruise control module and it now goes into lock up with no problem does any one know the reason why it would be doin this
 
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Old 11-24-2010, 08:08 PM
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its a 94 gmc 1500 XC 5.7ltr 2wd
 
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Old 11-25-2010, 11:03 AM
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Only thing I can think of is if the brake light switch is bad.
 
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