csleaver- your knowledge is super helpful!  I'm on the right track.  So, at the ignition breaker, I have pinpointed that this red wire in the wire loom is the culprit.  I have verified it shorts to ground by disconnecting the battery and getting 12V to it back feeding through the ground.  This red wire is super hard to trace back through the loom and under the dash, but there is a (maybe 16-pin) connector at the top of the dash that it seems to go to.  When I have this wire disconnected, I can turn the battery on, push button on, and I only get the small dash screen to work.  It seems to function correctly - bilges blower, lights, etc.  The main screen is not coming on though.  Should I try disconnecting the engine harness and see if that helps?  Here is a pic of the wire I'm dealing with and the harness under the dash.  

EDIT:  I tried to attached a couple pics and it didn't like my iCloud link. 

Anyone happen to know the part # for a 2019 M5 raw water pump? The one I have sounds like it’s about to go out. I have already isolated the issue to the pump and not the valve train which was a major scare to say the least. Yes I could go get one from the dealer, but I am looking to save the drive if possible. I did an online search for the original Sherwood and for a Johnson if available, but came up empty. This is what is on the current Sherwood plate: P1505 / 18247

Thanks for the help. 
 

Malibu sent the wrong rudder.....

that is a great idea and should have mentioned the rudder check.  Often people think it is the steering cable but a lot often do not even lube the rudder housing and things go bad quickly.  @John I.

2 hours ago, hawaiianstyln said:

if the steering is stiff, the cable needs to be replaced.  The direct drive on the response does make this much easier.  Unscrew from the rudder side, unscrew the 4 bolts on the rack and pinion side that is attached to the steering wheel and it will pull out.  

https://www.themalibucrew.com/index.php?/forums/topic/56100-steering-cable-change-lxi/

The write up by oldjeep is great! 

After disconnecting the steering cable from the rudder, turn the rudder back and forth by hand to ensure it is not binding and the problem is indeed the cable.