The iboats forum moderators are excited to announce that at this time it appears the iboats forums posting pictures function is working once again. Though we cannot promise for how long, we're hoping for indefinitely.
Checked a lot of posts They say wire ALTERNATOR output to centre post of a 3 terminal diode type isolator I think they should read to the RECTIFIED output which connects to the + post of the starter solenoid & goes on to + of starting battery