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I have a 2012 310DA. I had the cabin fridge out to replace the condenser fan and while stripping the insulation on the 12V wires to reconnect the fridge I shorted the wires together and thought I may have blown the fuse because it sparked and when testing with a test light, it looked like the...

Any results on the low voltage indication?

Thanks for keeping me in the loop. patiently waiting

I had guide poles at the end of our 260DA trailer. I found them too flexible to do the job. I still had to walk aft and manually hold the boat centered while my driver pulled up the ramp. The trailer had a V bunk near the bow which did a nice job of centering up front. We became seasonals in a...

Taken at key on/engine off. IMO the two voltages should be the same. They are the same on my port ECU but not on Starboard. Measured voltage agrees with “system voltage” My gauge and vessel view voltage agree with “battery voltage” which is inaccurate.

My 2012 310 consistently shows starboard voltage lower than actual voltage when compared to what I measure with a voltmeter. The error is worse with engine bay heat. I believe it’s due to faulty internal circuitry in this model of ECUs. When I look at ECU data with a scan tool, “system...

Did you complete the FWC conversion? Any change in the low voltage indication issue?

I’ll be interested to see what you find out. As an FYI, I put AGM batteries on my starboard side before I realized that the voltage indication was wrong and it didn’t change anything. Reach out to me directly in the spring please seapig233 at Gmail

Yes. During cranking after an afternoon at anchor. Several times. My plan this season will be to remove the ECM once we’re anchored and keep it cool. Then reinstall it once we’re ready to pull the hook and see if the error is small. The error is negligible when we’re starting out from the slip...

No I didn’t get any responses. Nor have I solved the problem. I believe the ECM gleans the voltage from the “clean voltage” circuit. I’ve measured that voltage at a connection near the rear of the engine at a connector and it was equal to battery voltage. I suspect it’s a fault in my ECM as it...

I’m a retired mechanic with MANY years servicing trailer boat axles. The initial cause of hub/bearing failure is NOT lack of grease. The failure chain begins with water intrusion into the hub when the normally hot hub gets quenched as its dunked into the water. The airspace inside the hub cools...

A simple way to check for blockages is to pack a wet towel in the head at the bottom of the bowl, open the ball valve, and put a water hose around the towel. Hold it tightly so the water pressure can push any blockages to the tank.

My guess is a seized or broken shift cable

While I’m not 100% sure, that circuit should go only to the PCM. I’m wondering if there are other circuits tied into it. On my 2012 310, all the “loads” on PCM controlled devices are fused on their power side (relay power). Id hook up a test light to that circuit downstream of the fuse and then...

In this Diacom screenshot taken at engine off you can see where battery voltage is @ 12.1 while system voltage is at 12.8

On our 2012 310 (twin MAG 350 B-3) our starboard “battery voltage” is incorrectly shown on vessel view, gauge, and in scan data. I’ve verified the lower than actual voltage with a DVOM at the engine, alternator, and battery bank. It’s accurate when the engine is cold and shut off. Running, it’s...

Does it have a shore power setup? I’ve never seen a Dancer without shore power and charger

Some of that seems odd. Usually the starboard batteries are the “house” batteries that run all of your lights and accessories. They are also the starting battery bank for that engine. Dual purpose or deep cycle would be my choice. I suspect you may have one starting battery for your port...

If it’s been in the water all season, unused, I’d second the “bottom clean?” Question. Fuel starvation would likely present as a surge or near stall under load that improves as you back off the throttle. Assuming she’s a twin engine and if both engines maxed out at 3800, it’s almost a dirty...

I’m suspicious that you may not have a cool-fuel module and you are mistaking the fuel pump for a cool-fuel module. I had a 2005 260 with a MAG 350 and Bravo 3 and it did not have cool-fuel. If it’s about the size of a beer can with Only 2 metal fuel lines attached, it’s just a fuel pump and...