In message , Jules Richardson
writes
On Thu, 25 Oct 2012 12:16:01 +0100, The Other Mike wrote:
A lot of modern car User Manuals warn against jump starting but not
the reason(s) why it is not recomended.

They are covering their arses in case some half wit connects black to
red.

Red isn't used that much for battery connections on cars today.

My truck has black for the positive and red running to the chassis,
despite being negative earth.

Is it french ?

--
geoff