Parenting Manual Needed

Why isn't there an owners manual for raising teenagers? I don't mean one of the thousands of very well meaning (and often helpful) books that talk about setting boundaries, allowing your children to experience consequences, keep the lines of communication open, be a good listener, don't nag, have one to one time each week, ask questions, know where they are and who they are with and so on... I want a topical manual that is practical and gives specific instructions to the parent for each possible circumstance and the result of each solution. I want something that will clearly tell me how to get the best result from my child.

For example:

Teenage son comes home with two D's and 3 C's and a B in PE. This is the kid that has gotten an A on almost every test but fails to do any homework resulting in these dismal grades.

Solution #1 - Ground child from all activity for remainder of grading period - take away cell phone and computer privileges (including World of Warcraft). Repeatedly discuss with him how a 1.6 GPA will not get him into school even in South Dakota. Check his grades weekly with each teacher.
Result: Son will rebel even more and refuse to invest in school.

Solution #2 - Have lengthy discussions of why he is refusing to do homework. Take him to a counselor so he can examine his avoidance issues with a third party. Have an educational assessment of the child. Spend lots of money. Do not punish him.
Result: Son will blow you off and continue to ignore homework.

Solution #3 - Restrict computer and phone time during the school week. Provide incentives (drivers license, etc..) for good grades. Provide friendly reminders to child regarding homework each week.
Result: Son will want to enjoy privilege(s) so he will begin to do homework and improving grades. He will get into a good college and be a successful contributor to society and his family.

I wish it were so easy. I wish there was such a clear-cut formula for each situation for all teenagers. I wish it didn't take so long to see any results of our parenting solutions - often I don't know if my solution is actually working and I might change course too soon!

I would like to know - on a daily basis - how to give my teenagers what they need NOT what they want. I know they need boundaries - but how restrictive or permissive should these be? When is trying to connect with your teen falling into the trap of "being their buddy"? In what circumstances do you make them do something that you know will be beneficial when they are adamant against it (an adamant teenager can be very disruptive to the household)? How do you relate to them spiritual truths without them rolling their eyes and thinking they are being "preached" at? What do you do if they reject their faith - in words or actions?

So I have tried all three of the solutions presented to the above example. Not one of them has yielded a positive result as yet. This is why a topical parenting manual would be so helpful. Yet if we had such a manual we might rely on it to provide the wisdom our teenagers needed when what we need to do is rely on God. We need to depend on Him - the One who knows our children intimately - to give us the wisdom, knowledge, strength and grace to parent our kids through these tumultuous years. Raising teenagers has caused me to be on my knees, dependent on Him in new ways as situations arise that I never expected (or wanted). If I had a manual giving me the step by step instructions, I might make less "mistakes" but would I be as aware of my need for Gods wisdom and grace as deeply? Would I surrender my control and self-sufficiency? Would I seek His wisdom as diligently?
Probably not.