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Did a little experiment this morning. I reversed all the speaker connectors in the doors and rear headliner (I hadn't yet replaced them with the JBLs, and I plan to reverse them back - the headliners are a bear because you don't have much room to work) and installed the factory speakers back in...

Here are more pics: This is the left rear door speaker. Grey/Dark Green is negative, Grey/Green is positive. Like everywhere else, they are reversed in relation to the speaker's polarity. This is the left rear headliner speaker. If you look closely at the speaker frame to the right, you'll...

Changing the shock wont do anything (the spring spacer is what creates the lift). Just remove the spacer from the rear, or put in a .75" spacer or 1" spacer instead of the 2" mopar one.

So I think that I have determined this is exactly how the vehicle is wired now that I've seen every speaker location as of last night. EVERY SINGLE connector in my vehicle has the positive wire (as indicated by the wiring diagram) in the RIGHT position in the connector (you can use my images to...

Here's a good example. This is the left front door. You can see that I tested the factory speaker and determined the speaker's polarity (see the "+" and "-" marks on the speaker frame). It is plugged into the factory plug. According to the wiring diagram, grey/yellow is supposed to be negative...

And in addition, many metra harneses have "reversed" versions, and I actually just ordered some because of the situation I am faced with at the doors. I had purchased the 72-6514 71-050 harnesses, which position the positive wire correctly in relation to the factory plug and speaker, but taking...

Perhaps. But just to reiterate, my analysis didn't involve the metra harnesses, nor did the testing involve them. The reveral is happening in the factory connector. I marked the connector side that was supposed to be positive based on testing the speaker's polarity. However, the dash metra...

Metra, but I am making the correction in the factory plug, not the metra. I'm making sure the metra's hook up correctly. And I think the reason people are reporting issues with the metra harnesses being "reversed" is actually because the factory plug is reversed.

Does anyone have access to a 3D wiring image that shows where the dash sub-connector XY330A is located. That looks to be a harness connector in the dash where these wires pass through. I'd like to take a look at the harness and see the input and output sides.

Additional info. I don't know why I didn't take pics, but will going forward. So I flexed the ole' artistic muscles (read as I threw together crappy paint drawings) and created these pics of how the system WAS wired from the factory. Below was left dash speaker. Note that the gray/yellow is in...

Toyed with that idea myself and it's been posed before, but I just can't see that - perhaps for hign-end Lexus or MBs maybe...maybe they go through some custom tuning on a car-by-car basis, but I really don't think our Rams make a stop on the assembly line to have the audio system custom-tuned...

In theory both, since the thickness of the spacer creates the net lift that then in turn creates the angle problems. But that's just a smart a$$ remark from me because I know what you're getting at - it's the lift and the angles the lift creates that causes concern. The more lift, the more concern.

Yeah, I thought of the update issue, but figure I'll just not let them do the update if I can. Frankly, with the inconsistency of wiring I am seeing, I can't see how this could be fixed across-the-board at the amp, but then I'm not an engineer. As for polarity, I know it's definitely a method...

If there wasn't tremendous inconsistency across trucks, and there wasn't also the fact that the factory indicated positive wires in some cases were hard wired to the negative terminal, I would agree. I looked back at some pics of others and their harness connector had the wires correct for the...

The images of the spacer in question make the spacer look to be short enough, but their documentation indicates "it's a 1.5" spacer that produces 1.5" of lift" - that's what can be confusing. I bet it's not actually 1.5" tall. You could always pick it up and just measure it before you install...

Top-hat spacers are not 1:1, but most (not all) manufacturers list the NET lift, not the height of the spacer. You might want to reach out to the manufacturer and ask if they can verify that their spacer does just that, and on a 2019. What I've seen is that spacers that are about 1 1/8" tall...

So I started the speaker replacement a few days ago. I have the 10 speaker alpine. First test was a baseline Speaker Pop polarity test with ANC "on" (as it is from the factory). I tested using an aux cable plugged between the phone and the radio, with mono test signal output turned on and...

I think you could add the readylift “2 inch with control arms” level (the one with the top-hat spacers) and be good to go, as that lift seems to only lift 1.5” in actual net, and comes with the arms you’ll want. That should give you about 3.5” to 3.6” total lift in front similar to the readylift...

Even the sightest and I mean slightest not level surface results in all sides being off from my experience. Can you repark the truck 180 degree and measure?

Don’t think my porter cable cordless impact drill has the torque to do that. You could probably just use a regular drill. Or elbow grease.