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cruise inop

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Old 06-11-2010, 10:40 PM
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cruise inop
ok the cruise was working fine up till a day ago. but today i hit set and it held the speed for about ten seconds then it just drops speed. it wont hold anymore. does anyone have any ideas.
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Old 06-12-2010, 08:56 AM
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Put your foot behind the brake pedal and lift up. Then try the cruise control while keeping the upward pressure on it, if it works your stoplight switch needs to be replaced.
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Old 06-12-2010, 11:16 AM
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Another thing to check is the vacuum lines that run to it. They are bad about rotting out under the battery tray where the battery acid can drip on them.
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Old 06-12-2010, 12:02 PM
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I just reconected a rotting line under the drivers battery tray yesterday...
check your lines.
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Old 06-13-2010, 08:44 PM
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what battery tray are they under
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Old 06-13-2010, 09:08 PM
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drivers side. you have to pull the battery and the tray to get to it. there are two bolts you have to take out from under the truck.
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Old 06-14-2010, 10:18 AM
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I've always been able to replace the vacuum line under battery without removing the battery or tray.
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Old 06-14-2010, 02:03 PM
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i can reach it but cant see under there good enough to reconnect anything.
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