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Electrical Gauge Interference Question

Old 03-18-2007, 08:55 PM
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Default Electrical Gauge Interference Question

My electrical gauges on my Seaswirl 2100 Striper worked fine for 12 years, but after having my boat serviced, the temperature gauge deflects whenever another electrical switch, like the running lights is activated. This provides a higher, erroneous temperature reading on the gauge by about 20 degrees. Other electrical switches to the bilge pump or wipers will also cause a deflection in the temperature gauge of varying magnitudes when switched on. Any ideas what could be causing this phenomenon? Any ideas would be much appreciated. The engine mechanically starts and runs just fine, but the electrical issue has me concerned.
Old 03-18-2007, 09:04 PM
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Default Re: Electrical Gauge Interference Question

Sounds like a ground problem. You have to check all the ground connections I am sure you will find the problem. Clean and tighten all connections as well as the battery connections. I think your problem will be in the grounds for the panel.
Old 03-18-2007, 10:21 PM
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Default Re: Electrical Gauge Interference Question

Thanks for the input. I think that it has to be a ground problem as well given that the gauges function properly, despite the interference with the other electrical devices. I started the process of checking the grounds, but have not found the problem as of yet. I will keep at it. You have validated my thoughts on the matter.

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