H2 started out sluggish, then died. Now it wont even try to crank over. TRS? on 2003 Hummer H2

I started my H2 and it started fine, no hesitation at all. As I began driving up my street, it felt sluggish and then died. After it died, I tried turning the key over, I can hear the click, but it doesnt want to engage the starter. I have no indication what gear I am in - so I am wondering if it could be the Transmission Range sensor and if so, how do I replace it? Where is it located? What is the procedure? Thanks, Lee

by in Butte, MT on April 27, 2012
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1 answer
ANSWER by , April 27, 2012
You may be experiencing a low battery state of charge condition. Possible alternator failure.