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Re: Tachometer not playing ball - TMD22

CW Bill Rouse
 

It could be your 12 volt alternator....the tach gets its signal from the Alternator. Sounds like the alternator is NOT exciting. Probable cause is a faulty relay or loose wire to the relay.

--
CW Bill Rouse Amel Yacht Owners School
Address: 720 Winnie, Galveston Island, Texas 77550 
   


On Tue, Oct 15, 2019 at 4:51 AM David Cummane via Groups.Io <davidcummane=mac.com@groups.io> wrote:
The needle on the tacho for my Volvo Penta TMD22 goes to the far side of the dial on turning the key but does not return to zero/rev count.

Periodically the needle shows a rev count after the engine has been running for some time.

Behind the panel there are two black wires connected to a female pin which looks like it should be attached to a male pin, however there are no obvious male pins available.  Picture below.

Has anyone had a similar problem or can anyone shed some light?

Many thanks

David Cummane
Ker Marie, SM#101 

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