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pushpin terminal)
2 Alternators
the positive output bolt was originally 1/4"
Mounting Style: Spindle-Mount (Single Foot)
Powerline Model 33-18 Battery Isolator
33-50, 250 Amps, 1 Alt, 2 Batt. w/ Excitation pushpin terminal)Powerline Model 33 50 Battery Isolator (C. S. Type) 250 Amps, 4 total studs 1 Alternator 2 Batteries 1 Excitation Post (Needed for C. S. Series Alternators) Compatible with all Delco "CS" Series alternators with a 4 terminal regulator connector (P L S F) or (S F L P) A Delco or Delphi "CS" Alternator with only a 2 terminal regulator connector cannot be used with a battery isolator! (The 2 terminal alternator must communicate with the vehicle ECM and
