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1990 Dodge Truck no spark

Tiny
68VETTE
  • MEMBER
  • 1990 DODGE TRUCK
  • V8
  • 4WD
  • MANUAL
  • 100,000 MILES
The enginf tues over great, but has no spark, we put a new coil & wire set on, still no spark, what do we need to check next, IT does not have an ignition moduel that is FOR shur. The dist. Has a hallefect, but dont have the for sure specs to test it. PLEASE tell me what to do next.
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Wednesday, August 19th, 2009 AT 3:24 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Hello, d150 5.2? I'd check the primary circuits at the coil for B+ and pulsing ground. If your TBI, can you see the injectors spray pattern? The circuits for the hall switch, orange--should be reference voltage, key on, gray is sensor signal, that circuit has a pulse, engine cranking. Black is ground.
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Wednesday, August 19th, 2009 AT 3:54 PM

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