On 15 Jan 2010 13:38:08 GMT, mick wrote:

On Wed, 13 Jan 2010 11:04:03 +0930, mark krawczuk wrote:

hi, any body got links or schematics for a continuity tester for
automotive use ? preferably simple design with audio and visual
indication , voltage detection would be a bonus !! mark k


a bulb on a couple of bits of wire?

Again, with modern vehicle electronics, a bulb and wire will
absolutely blow something, either a sensor or a computer module. You
need *low* current testing.