Mercruiser 4.3 no beep or fuel pump when switching on

[B4tn]

I have been messing with this all day today. Port engine works fine starboard no beep, fuel pump, or crank. I have checked every fuse, breaker, neutral safety, wiggled and inspected all the harness plugs and no luck. A guy from my dock stopped to lend a hand and I had the engine switch on. He found the wires on the starter where loose and corroded and when he started messing with them the engine beeped and fuel pump primed but didn’t stay and it’s still doing the same. Is the starter and solenoid part of the initialization beep sequence? I picked up a new starter to put in and am hoping that’s it but want to make sure I’m barking up the right tree

 

[scoflaw]

It starts there, take those wires off at the starter and clean the terminals shiney bright with some emery cloth. You don't need a starter yet. Clean the battery cables too and where the ground cable connects to the back of the engine.

 

[DWABoat]

What is the status of your boat repair?
I also have a 2001 DA with twin 4.3’s.

I recall when I dropped the starboard motor back in, I had to press the reset on top of the engine pretty hard to get it going. It did not reset the first push. Symptoms were the same.

Let me know if you need me to check anything on mine for comparison purposes.

 

[B4tn]

Thanks, I get so excited when things get fixed I forget to come back with the status. So the problem was a two part deal. I replaced the starter and got my beep sequence but as soon as I hit the ignition it went dead again. Traced it down to the 90 amp fuse on the starter itself was blown. At some point doing something either replacing the starter or futzing with something else I bent the alternator hot lead to ground. Bent back into position, replaced the fuse a second time and we where all good for Labor Day weekend

 

[DWABoat]

Glad to hear that.
Really glad the bent rod didn’t burn out some thing.