So, when charging a battery on a Healey, I put the red cable on the + and the black cable on the headlight rivet? That is unless you dropped the rivets in the concourse, at which point, you would be unable to charge it. Olin Brimberry 61 3000 MKII BT7 Sideshifter TriCarb healey at hunterbane.com www.hunterbane.com