2 minutes ago, Bird said:

Is it possible that the solenoid is sticking on?

I tested it with the multi-meter and fortunately it was not.

It ended up being water in a connector to the emergency key causing a short.

4 hours ago, The Hulk said:

Excellent commercial credit has been hovering 8.3-8.8% for a while and set to raise.

Correct, and why would anybody believe Tommy’s has/had “excellent” credit?

On 4/17/2024 at 10:31 PM, csleaver said:

Have any repairs or maintenance been done, or any accessories installed since the last time the boat operated normally?  A disconnect or improperly connected ground cable to the battery can cause very unusual electrical problems. 

When the start/stop button is pressed a ground signal is sent from the button to pin 14 (red/black wire) on the Viper2 controller.  The start request is then sent from the helm Viper2 controller to the engine ECM via the Controller Area Network (CAN).  There is a START/STOP data field that can be found on the Settings > System Diag screen on the small display.

A start request can also be sent from the emergency helm keyswitch by using system voltage from the switch all the way to the round engine harness adaptor plug pin 17/G (yellow/red wire) then to the engine ECM pin 86.

If the engine is not running during a start request, then the engine ECM sends a ground signal from pin 34 to energize the starter relay.  The relay sends system voltage to the small starter solenoid post to engage the solenoid and turn the starter for up to 11 seconds or until the engine is running.

Thank you for your reply. Information you provided in another thread lead me down this path and I thank you for your knowledge.

Problem has been solved.

Water had worked its way into the triangular deutsch connector that connects the emergency / backup key switch to the rest of the harness. Water was causing a short.

So the moment either the key was put in the ON position (backup system), or the Power button was pushed (primary system), it was trying to immediately crank.

Put 120 PSI of air to clear things out, packed with die electric grease and good to go. Launched boat yesterday.

Admittingly, this problem I believe was self induced. I wash the inside of the boat every season, but this time around enough water had worked between the panel and the hull, and the connector was dangling in a perfect spot to catch any falling water.

I always avoid washing / spraying near the dash / screens themselves, but moving forward I'll stop a little further back

Being a deutsch connector, you'd think this wouldn't have happened... but it did. All well, lesson learned.

1 hour ago, AJwakedevil said:

that 1500 has been plenty to pull your rig?

That was my ram 2500 6.7 cummins. 

Is it possible that the solenoid is sticking on?