First, Iwant to thank you guys and the comments on this forum. I did buy the cd shop manual for the car and will use it accordingly ...and yes Im with you on the need for a manual...I'm an HVAC instructor and I tell my students if you screw up a 30.00 part because you didnt know what your doing you could had bought the manual:) So now I need to ask you mopar experts another question ...I just purchased a new wiring haress for the 51 desoto as the existing was ate up by rats. If you were restoring and trying to keep it as stock as possible would you wire it in as 12v negative ground or stick with the 6v positive ground?