Marine Electronics Forum

Windshield wiper short HELP!

Old 07-18-2005, 10:59 AM
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Default Windshield wiper short HELP!

The boat’s an 02 Marlin GW.
I’ve owned it since 03.
The wipers even at the outset had control issues.
The switch is a three way; to- both wipers, mid- off, bottom- drivers side wipers
When switching to off position, wipers continued to run two to three cycles.
Now, powering up the helm panel “pops” the wiper breaker.
I was thinking it would be easiest if the problem were the switch.
Any thoughts, ideas, suggestions, experiences are both helpful and appreciated.
Old 07-20-2005, 12:30 AM
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Default Re: Windshield wiper short HELP!

I think you could maybe avoid the breaker pop if you had the wipers on separate circuits and switches. They cycle 2 or 3 times after tuning off because they run until both are synched into the "parked" position. If one is there & the other is not they both stay energized until the both park at the same time. However, in this setup , I believe sometimes one does not actually completely reach the true Parked position and may still be drawing some power , wiping or not. When you power up the panel , there may be initial draw from several loads & the wiper motor momentarily may not have available enough voltage to overcome it's starting resistance and pop the breaker. If they were separate circuits I suspect each wiper would be much more likely to fulled "Park " & completely de-energize. Then again , maybe it's just a little corrosion on switch or breaker or ground buss terminals or a butt connector,etc. increasing resistance. No expert here , just food for thought.

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