I think you'll find, 88, that the voltage drops into the 10V (or even high 9V) range as you're cranking. That starter is pulling a lot of current. And, my radio, A/C and headlights are almost always on too. The truck is in a garage in low light and the headlights are auto-on.
But, you'll have to have your CTS ON to see it, and I find I rarely turn it on before cranking. Also, if the truck starts quickly, as mine does, you have very little time to see the voltage.
- Jack
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