Perf Pass/ fuel gauge/ LCD on tach- all have voltage blips??! And beeps

[biacs]

Boat had run perfect all year put about 40 hours on it.

Here are the symptoms I had while out for about two hours this morning:
-Perfect pass display was blank
-Lost throttle response in engine went into idle only mode till I restarted the boat
-LCD-engine temp kept beeping and flicking off and on as in some sort of reset.
-And a fuel gauge would dip down to empty probably causing a low fuel beep

Boat has two brand new optima batteries. Voltage always showed 14 V.

This occurred on battery one /battery 2 and on both batteries.

And I was letting the fuel run a little low anyway we were close to home and it was just beeping nonstop. So I was dipping under a quarter tank and the voltage drop would cause a
The fuel gauge to go to empty and then recover back up.

***I did see someone mention a thicker wire between the battery and the brain box.(?)

Please help if anyone’s had this sort of series of voltage issues UGG!

Please don’t tell me I need a new $1400 box.

And for bonus points the gauge for the engine temp on the dash wasn’t reading this time. It does read normally on occasion and the LCD read the engine temp. But that gauge wasn’t reacting.


2006 SANTE - Bull in a China Shop - Central IL

[NautiqueJeff]

Doesn't sound like a normal gateway issue, since the engine is acting up too.

My guess would be failing battery cables or wires between those, the battery selector, and the PME box. Battery cables in the marine environment corrode easily, even under the rubber. I often have to replace battery cables on my project boats. In fact, my current '99 Air Tique 176 has battery cable issues too, so I'll probably order a seat myself this week.

If that does end up being your issue too, here's a great place to order tinned marine cables:

https://www.genuinedealz.com/product...de-by-the-foot

You might also check the connections of the cables to your PME box (the box with the breakers). If the main cables are loose there, that could be your issue. I have seen that happen before too.

[biacs]

Doesn't sound like a normal gateway issue, since the engine is acting up too.

My guess would be failing battery cables or wires between those, the battery selector, and the PME box. Battery cables in the marine environment corrode easily, even under the rubber. I often have to replace battery cables on my project boats. In fact, my current '99 Air Tique 176 has battery cable issues too, so I'll probably order a seat myself this week.

If that does end up being your issue too, here's a great place to order tinned marine cables:

https://www.genuinedealz.com/product...de-by-the-foot

You might also check the connections of the cables to your PME box (the box with the breakers). If the main cables are loose there, that could be your issue. I have seen that happen before too.

Interesting thought, thanks. FWIW the motor ran fine- just weirdness around gauges. BUT I rather Look at things like cables that can have weird symptoms intermittently over time. :-)


2006 SANTE - Bull in a China Shop - Central IL

[biacs]

Doesn't sound like a normal gateway issue, since the engine is acting up too.

My guess would be failing battery cables or wires between those, the battery selector, and the PME box. Battery cables in the marine environment corrode easily, even under the rubber. I often have to replace battery cables on my project boats. In fact, my current '99 Air Tique 176 has battery cable issues too, so I'll probably order a seat myself this week.

If that does end up being your issue too, here's a great place to order tinned marine cables:

https://www.genuinedealz.com/product...de-by-the-foot

You might also check the connections of the cables to your PME box (the box with the breakers). If the main cables are loose there, that could be your issue. I have seen that happen before too.

Makes total sense. It’s somewhere from battery switch to gateway box. ( I’ll check wiring behind fuse kickplate). If it’s all apart this fall, I’d swap out battery cables too I guess.

Any advice or tricks to rerun these power cables?

-Remove rear ballasts/fuel tank to get at everything etc?

Season is almost over so hoping to squeak out a few more outings before fall repairs :-)


2006 SANTE - Bull in a China Shop - Central IL