Why wasn't "Try starting in neutral" the first suggestion rather than putting the voltmeter on the battery? Don't you agree that it would have been easiest to rule out the neutral safety switch first before going any further? The suggestion was to attempt to start the car in neutral and NOT TO GO AND CHANGE the neutral safety switch!
Hey, I don't have ASE certificate; if you do, don't get offended if you missed the simple diagnostic tool(just a good-hearted ribbing to my friend phucheneh, he can take it
By the way, I had not replied to this until *after* OP had already found what is wrong with his car. I believe in keeping my mouth shut so as to keep my ignorance hidden from all of you
Seriously, often experts end up going in deep end for no apparent reason whereas a simpleton would have come up with a better solution. This is a perfect example.
Sorry, I took it as more than a gentle ribbing. Hard to tell the kind of temperament in which something is delivered when you're reading text.
There's a reason I try not to advertise credentials or say much beyond 'I do this for a living;' and the cases where I say that are not typically to assert dominance, but rather to speak about the inner workings (read: rapings) of most shops or simply argue something based on sheer volume of similar experiences.
In this case, I can't EVER recall diagnosing a bad neutral switch in an auto. Plenty of shift lock solenoids (not as a no-start, just a 'I can't get it out of park' complaint); but not the switch (which again, due to lack of experience with it, I admit to not even knowing where it is on his/most cars- hell, it may be in the range selector on the trans, come to think of it.)
When you're looking for an issue, you generally do the things that rule out common problems first, ESPECIALLY if they're easy to check. And no, 'hit the starter' doesn't count, as it is far from a conclusive test.
In this case: turning the key forward to crank should give a clear, solid click from the starter relay, which can generally be located and checked in under a minute. This lets you know that the ignition switch is doing its job, and nothing is inhibiting the car from at least TRYING to start. If that relay clicks on, there's an extremely large chance that the starter solenoid is getting voltage.
In his case, it would NOT have been turning on, which would have led to an immediate check of the most common things to inhibit it...you can guess what one of those is.
If it IS turning on, the question simply becomes 'is the battery delivering adequate power to the starter.'
I really, REALLY wish everything was as easy to diagnose as a no-start. I think you're confusing me giving detailed instruction/explanations with telling him to do something complicated.
BTW- no hard feelings. None of the above is meant in a negative way, I'm simply trying to explain my thought process, and how it's not as convoluted as it may seem.