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post #2 of Old 01-26-2014
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Re: Cooling problem solved now what's wrong with my tach?

Do you have an ammeter or a battery monitor? Tachs on diesels are either run off the alternator or a pickup off the flywheel, usually a single wire sensor bolted into the bell housing/adapter. If the tach is off the alternator and it quits that's usually brushes (or a dropped wire) but if it's brushes then you won't be charging either.

Your loose wire is the first place to look.


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