Electrical Issue - Where to Start? - 91 Ski Nautique

[NickMS]

When I turn my navigation lights on, the voltage gauge drops and the temperature gauge goes up (from 180ish to 210ish). It's an instant reaction. I don't think the temperature is actually increasing. I don't think it's an alternator problem because I don't have trouble with the battery. I'm guessing it has something to do with the increased current from the navigation lights and a poor ground somewhere.

Has anyone had this problem before? Where should I start?


Thanks for the help!!

[ffmedic74]

Sounds like an issue with the two main electrical lines that operate everything in the dash.

[SilentSeven]

+1. I would start by inspecting connections for corrosion with a focus on all your grounds.

[desertskier]

This is common problem with your era of Nautique. Here are some links to the discussion threads on CCFAN about how to fix it.

http://www.correctcraftfan.com/forum...iring-question

http://www.correctcraftfan.com/forum...o-93-with-pics