Andrew & Rich are exactly right. On DeLoreans, I connect the negative side first because it is towards the back of the battery compartment and harder to reach. By connecting it first, I don't have a connected positive cable in the way. The fiberglass underbody make a great insulator, so there is no worry about touching a wrench to ground. On non-DeLoreans, I connect the positive side first. Otherwise if you connect the negative side first and then slip with the wrench against the chassis while connecting the positive side then you could short the battery out. 500+ amps going through a wrench will likely melt it. My dad once melted a watch band off his wrist while working in an engine compartment -- quite a nasty burn. Walt _____ Yahoo! Groups Links * To visit your group on the web, go to: http://groups.yahoo.com/group/DMCForum/ * To unsubscribe from this group, send an email to: DMCForum-unsubscribe@xxxxxxxxxxxxxxx <mailto:DMCForum-unsubscribe@xxxxxxxxxxxxxxx?subject=Unsubscribe> * Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service <http://docs.yahoo.com/info/terms/> .