Wade:
When you jump start your car you are bypassing the cable that connects
your two 6 volt batteries together. If this wire was "open" there would
be no path for the current to flow from your batteries and your
alternator would not be able to charge. Take a close look, I'll bet you
find it open.
Mark
70 Midget
Nashville
Wade Shanley wrote:
>
> Let me preface this by saying that I am somewhat of a newbie. I've had
> problems like this before, but have never tried to tackle them myself. This
> will be my 1st attempt to fix a no start problem on my own.
>
> I recently took my 74 MGB into a local muffler shop to install my new
> stainless steel exhaust system (which looks and sounds great). When I went to
> pick it up, they said they had to jump my B to get it started. Sounds a
> little suspicious considering it was fine when I brought it in, but who knows.
>
> Once we jump it, it runs fine. But the second I shut it off, it goes
> completely dead...no crank, no clicking, nothing. Could this just be a bad
> alternator? I'm praying it's not a short because I'd have not clue where to
> start.
>
> I'm sure there are certain steps I should take to trouble shoot this, but I'm
> unaware of what I should do and the tools I'll need. I have the dual 6volt
> batteries setup and the batteries are brand new as of last Nov.
>
> I have the Bentley and Haynes manual but neither have much detail when it
> comes to troubleshooting a no start problem.
> If anyone can give me advise on what things to check first and how to go about
> it, I'd appreciate it.
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