1994 SeaRay 230 Sundancer with a 5.7L Mercruiser. Wiring diagram

Joepoe

New Member
Nov 18, 2018
2
Boat Info
1994 SeaRay Sundowner 23'
Engines
Mercruiser 5.7L w/Alpha 1 gen 2
I have a 1994 SeaRay 230 Sundancer with a 5.7L Mercruiser.
Old DC fuse box seems to be cheap and shorting between a couple of circuits. Having problems with Depth, and Tach. Also when I use the right trim tab the Tach reading jumps.
Does anyone out there know where I can get a wiring diagram for this boat?
 
I have a 1994 SeaRay 230 Sundancer with a 5.7L Mercruiser.
Old DC fuse box seems to be cheap and shorting between a couple of circuits. Having problems with Depth, and Tach. Also when I use the right trim tab the Tach reading jumps.
Does anyone out there know where I can get a wiring diagram for this boat?
At 25 years old and who knows how many previous owners and maintenance/care/use... not sure that "cheap" is a fair adjective.

You can try looking for the owner's manual on SR's website - but something happened a while back and they lost all their information and it's taking a while to get everything loaded back up again. Some of the older model's manuals had wiring diagrams and/or wire color coding... some did not. But since it's all relatively the same from one model to another, take a look at different years or even different models.

Sounds like you have dirty/corroded connections in multiple places. Best course of action is probably to just start pulling wires/gauges and cleaning/inspecting/replacing or tightening. Don't forget to check all grounds, as well.
 

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