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-   -   Funny Electrical problem (http://www.sailnet.com/forums/gear-maintenance/8625-funny-electrical-problem.html)

Bruceo1 12-05-2003 05:10 AM

Funny Electrical problem
 
I recently purchased a Manta 40 (catamaran). It has two Volvo Penta MD2030 engines. If one engine is started, the tachometer for that engine runs properly (either engine). When both engines are running, the port engine tachometer stops. The previous owner reported that the problem started when the alternaters were upgraded to 120 amp alternaters. Any thoughts or suggestions as to what is causing the problem and how to correct it would be greatly appreciated.

Thanks

Bruce

jbanta 12-05-2003 07:49 AM

Funny Electrical problem
 
Well over 90% of these kinds of problems are bad or improper common connection. I would look of the common side of the connection I an almost 100% sure that is where you will find the trouble.

Bruce_Olson 12-15-2003 06:01 AM

Funny Electrical problem
 
Thanks for the information. This should help me in getting the boat ready for the next sailing season.


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