[TR] more harness

[Randall]

> The trick I used when I checked out the TR3 is I connected each circuit
> to the battery via a spare headlamp.

I even save old headlight bulbs for this sort of thing.

> Leave out the fuses

But first start with the headlamp between the battery connector and the
battery.  There is a lot of the TR3 harness that is not protected by fuses
(including the entire headlight circuit).

-- Randall