So my 03 Silverado 4x4 w/5.3liter wouldn't crank over this morning (and it's like 10 degrees and sitting in 4" of snow). All the accessories came on just fine, radio, blower, headlights were not dim at all, but when I tried to crank it- nothing. No click, no turn, nothing. The security light was not on and I tried both sets of keys (not sure if it has a chip-key). When I checked the battery it had 12.1 volts. I checked the starter and it had the same. All battery wires are tight, no corrosion. I climbed under it in the snow to check the starter and everything looked tight, but I'll admit I didn't spend to much time looking while lying in the snow. Anyway, I retried to start it and when I turned the key, I turned it and held it for like 2 seconds, when I stopped turning the key (i.e. let go) it started to turn for a second. I retired and it started perfectly! WTF? I am going to drive it down to my shop later and check all the connections and stuff, but has anyone seen/heard of this before? Is it common to these trucks? Until I find out I am going to stick to driving my 87 K30, which seems to be much more reliable then any newer can I have ever owned. Thanks for the help. FYI- I did search this topic, but didn't really find anything.
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