www.iFourWinns.com

Recently purchased a 2002 Four Winns 378 Vista, I have a few problems I can't seem to track down
1. Lights in front berth and galley do not work, (breaker in panel not tripped)
2. Lights in cockpit do not work by switch at helm or at aft entry door, (the two arch lights do work) breaker not tripped
3. Lights under entry steps do not work.
4. Acculift does not have the power to open engine hatch from full close.
5. Stereo speakers do not work Sony radio lights up and goes to radio stations ok.
6. Wiper on port side does not work and starboard wiper is very weak.

if anyone has any ideas I sure could use your help.

Thanks,
Bill

Electrical debugging is all about time and procedure. Start at each item and track back to find where the problem is happening.

Obviously the first place to start with the lights is the bulbs, make sure they're working (usually most easily done by just swapping out the bulb into a socket that's already working). If that doesn't work then go to each switch and make sure it has power.

For the stereo you're working your way out from the head unit, making sure it's actually producing sound. Then trace the audio to the amp (if there's one present) and on to the speakers.

It's possible the hatch lift motor needs replacing, they do wear out over time. But start by making sure the battery voltage to it is sufficient. Are the batteries showing at least 12v?

Low voltage might also explain a slow wiper. One that doesn't work could be a bad or stuck motor.

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-Bill Kearney, 2005 348 Vista