1993 Chevy Suburban Has no spark from coil

Tiny
GLCRAWFORD
  • MEMBER
  • 1993 CHEVROLET SUBURBAN
  • V8
  • 2WD
  • AUTOMATIC
  • 197,000 MILES
My 1993 Suburban will not start. Not getting a spark from coil. I have replaced fuel pump, fuel reg, coil, pickup coil, and the computer.
Sunday, September 13th, 2009 AT 1:59 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Did you check the primary circuits at the coil? Pink is voltage, with the key on, white with engine cranking is a pulse. If that checks out and no spark at the plugs, I'd suspect the coil wire--cap--rotor. The rotor does turn when you crank the engine, correct?
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Sunday, September 13th, 2009 AT 2:12 PM

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