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timmy2 timmy2 is offline
ROW '78 911 Targa
 
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Join Date: Jul 2011
Location: Salem, OR
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The ground at the alternator also grounds all the other CIS controls. Just check for continuity to ground on the engine block and wiggle the wires you are testing to see if it jumps around. (no need to pull alternator, yet...)
Old 06-19-2013, 07:55 AM
  Pelican Parts Catalog | Tech Articles | Promos & Specials    Reply With Quote #18 (permalink)