Use your battery.

> At the risk of sounding like a simpleton would someone
> please let me know where to get the 12V connection for
> a timing light in the engine compartment. My instincts
> tell me it should be at the alternator but I'm not
> 100%sure. Also the location of the other connections
> would be helpful also.
> TIA,
> Paul Rogers
> 85 Westy
>
>