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Old 08-31-2006, 09:56 PM   #1
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03 1500 HD in 4-Lo when started

Occasionally yy GMC '03 1500 HD is in 4-Lo when I start it. I then swith it back (as soon as I notice). Then in a few days wehn I start it-it does i t again. Any ideas?
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Old 09-01-2006, 05:19 AM   #2
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if it is in 4 low when you drive it you wouldn't get very far before you noticed, the truck would have way more torque at take off. it is probably a bad sensor or switch if you can drive normally and not notice a diiference.
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Old 09-02-2006, 11:03 PM   #3
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i think you have a bad switch, or transfer case motor. i assume it is a push button 4wd?
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