I have a 2007 180FS with a 4.3 L Volvo engine. My problem is that the temp guage chronically goes from telling what appears to be the right temp, to reading nothing (like when the engine is turned off). I have replaced the guage so I don't thinkit is that. I have no idea where the temp sending unit is, I have tried removing wires from some of the engine sensores I can see easily while the guage appears to be working, the guage does not respond to this removal so these are probably not the right sensors. I have brought the boat to the dealer and they never seem to be able to repeat the problem. Please give me some steps to go through to address this issue and please tell me where the senors(s) is that supplies the guage.
Thanks
Oban
