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No Spark...
Hey Guys,
Im working on a 1999 Chevy 1500 5.3L.
We did a complete motor swap with a 2002 5.3L. They are a direct swap.
After completing the swap the motor will not fire up. It turns but no spark.
It has coil packs just like our cars. I checked the Cam Angle Sensor, changed out the Crank Angle sensor, tried a different set of known good coil packs, checked Fuses, Probed the plugs on the harness that plug into the coil pack and each have a good ground, good positive, It doesnt seem that the reference wires are not getting much though. So im a little still nothing. I am at my wits end with this Truck.
Can anyone else please shed some light as to why a car/truck with coil packs would not get spark?
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