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If I ever turned you in to the cops, it'd be because you've done something wrong, and not because I hate you.
If I ever turned you in to the cops, it'd be because you had done something wrong, and not because I hate you.
If I ever turned you in to the cops, it'd be because you would have done something wrong, and not because I hate you.
Do all the above sentences mean the same? Are there any differences in their meaning? Does the first and second one mean the same?
First of all, the expression is "Turned in to the cops. "Tuned in" is a very specific expression that is used to describe an audience or a person who is paying very close attention.
All three sentences you provided make sense to me and I readily understand the intended meaning. However, I believe they are all ungrammatical due to the use of the past tense in the "if" clause. In English, past conditionals can really only be used to talk about hypothetical changes to situations that have happened. For example, consider the following
If I went to class yesterday, I would know what is on the test.
It is appropriate to use the past tense with the "if" clause because you are considering what would have happened if you changed the past.
Getting back to your example, your use of the word "ever" implies that the opportunity to "turn you in to the cops" did not happen. It is more appropriate to use the present tense in this situation.
The most proper rephrasing of your sentence is
If I ever turn you in to the cops, it'll be because you did something wrong, not because I hate you.
A few notes:
Going back to your original question, if you consider the sentence without the word "ever", the past tense still makes sense. The following sentence implies that the opportunity to "turn you in to the cops" existed and the speaker chose not to.
If I turned you in to the cops, it would be because you did something, not because I hate you.
If I ever tuned you in to the cops, it'd be because you've done something, and not because I hate you.
If I ever tuned you in to the cops, it'd be because you had done something, and not because I hate you.
If I ever tuned you in to the cops, it'd be because you would have done something, and not because I hate you.
Here's how these sentences about a future possibility ("it would be") would typically go in my dialect of English.
If I ever turn you in, it would be because you did something.
If I ever turn you in, it would be because you have done something.
If I ever turn you in, it would be because you had done something.
Only the last, with the past perfect, unambiguously expresses the idea that I do not believe you to have done anything yet that would make me want to turn you in. The first two might be understood to mean that I believe you to have already committed some crime, and that my decision not to turn you in may be written on a block of ice, not cut into stone.
"If" with a past tense verb becomes the rarely understood past subjunctive in English. This is why many sticklers still say "If I were."
In any case, to make your first example grammatical, you must use the present tense in the "if" statement (not the past subjunctive) and the future tense in the root of the first clause, followed by either the past tense or past perfect in the first clause, and finally the past tense in the second clause:
If I ever turn you in to the cops, it will be because you did something wrong, and not because I hated you.
To make your second example (using past subjunctive) grammatical, you only need to make "hated" past tense:
If I ever turned you in to the cops, it'd be because you had done something wrong, and not because I hated you.
In your third example, which still uses the past subjunctive but doubles up on the conditional, you also need only make "hated" past tense, although it is arguably better to continue with the extra conditionals:
If I ever turned you in to the cops, it'd be because you would have done something wrong, and not because I would have hated you.
The third example is pretty weird. The first example makes it feel like the scenario is a little more possible. The second example is the best one for expressing that the scenario is unlikely, but no matter what kind of weird stuff happens, you don't hate the person you're talking to.
