Cobalt Boats Forum

For future reference. The dealer came back with root cause as a trim sender malfunction. It was noted that the circuit that the sender is on is the same as the gauge cluster, thus could impact other functionality like the speedometer. The tech I spoke with felt that it absolutely could be where the ...

I hear you. GPS speedo's fix a lot of design flaws right. Just took it to a local Cobalt dealer who is going to diagnose it in the next couple of days. Will report back what they find. Saying a couple of Hail Mary's and Our Fathers that this comes out to be little to nothing.

Thanks! I figured I would probably have to get it hooked up. Cobalt dealer closest to me evidently won’t service It because it wasn’t purchased there so I may have to drag it over an hour away to have another dealer look at it. Hate that but want to get it fixed. Fingers crossed.

Thanks For the quick reply AsLan7! I have cleaned out the port but didn’t blow down yet, will try that though. What worried me the most about is that it was working while driving @ 3k RPM or so, then got 6 beeps and the speedo went to 0. Later in the day it started to work again for a bit and then ...

Merc 8.1. At startup and low speeds mostly but occasionally on plane. Double checked all fluids. Runs well but continues to beep. Also, trim gauge not working but trim does work. Speedometer kicks in and out. Happened this weekend where it was working till the beeps started, then it stopped working ...