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1993 Pontiac Grand Am WONT START

Tiny
DENNY
  • MEMBER
  • 1993 PONTIAC GRAND AM
Electrical problem
1993 Pontiac Grand Am 4 cyl Front Wheel Drive Automatic

CAR RAN FINE SHUT IT OFF WENT TOO START IT THE NEXT MORNING, NO SPARK,
IVE CHANGED THE CRANK SENCOR, OILSENCOR, ECM AND COIL PACKS, CHECKED THE FUSES, AND STILL NO SPARK
IT TURNS OVER FINE AND THE TIMING IS RIGHT AND GETTING FUEL
ITS THE 2.3 QUAD
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Saturday, January 24th, 2009 AT 10:41 AM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, I saw what you replaced. Did you test any of the circuits? The larger multi-wire connector at the icm, the purple wire with a white tracer is for the rpm signal. With the engine cranking, there should be a pulse on that wire. The pink wire is B+, goes hot when you turn on the key, the solid black wire is ground.

Looks like you replaced everything except the ignition module, I can't tell you to replace that without doing some testing.
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Sunday, January 25th, 2009 AT 2:42 PM

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