T&T: 120V green ground conductor

[Truelove39 at aol.com]

Maybe  the engine is isolated or maybe not. Our "isolated ground" Tier 1 
Lugger 668  (year 2002) has a Lucas injection pump with a cold start advance (CSA) 
wax  motor. The negative side of the heater is connected to the shell of the 
wax  motor, which is threaded into the injection pump. So our "isolated 
ground"  engine is grounded by design, or the CSA will not work. Some of these  
engines were supplied with Stanadyne pumps, which have 2-wire isolated ground  wax 
motors. Also interesting is that the CSA on the Stanadyne pump is  energized 
only until the jacket water reaches 140F; on the Lucas pump the  CSA is 
energized after the water temp rises above 140F.
 
Regards,
 
John 
"Seahorse"
 
>.   some of the newer  engines are now deisgned not to have the block 
as a  DC current carrying  conductor in the start circuit. The end result   
is 
an engine that is still isolated.  this negates the intent of th  eABYC 
standad.


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