Delco 1-Wire 12V 78-Amp 10SI used in Many Applications including Mercruiser, Volvo, Internally Regul

Fits Merc, OMC, Volvo, & Many Others. Rplc. Merc #’s 56045, 59755, 69729, 78403A1, A2 1-Wire Hook-Up Ignition Protected SAEJ1171, Neg. Ground Arco# 20102 Sierra# 18-5950