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Old May 20, 2006 | 12:06 AM
  #3  
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Kai
Rotorphile.
 
Joined: Mar 2002
Posts: 10,120
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From: Richmond, VA
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A multimeter.

A high impedance injector should measure around 12 ohms resistance. (I just tested a set of known good injectors that measured at 13.9-14 ohms.)
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