Question about 1987 Pontiac 6000
Coil packs are replaced not repaired if found to be defective.
DISTRIBUTORLESS IGNITION SYSTEMS
Starting in 1987, some models came with engines equipped with a Computer Controlled Coil Ignition (C3I) or Distributorless Ignition System (DIS).
Fig. 1: Triggering system used on the C3I fast start system
Fig. 2: Electrical schematic on C3I ignition system Both DIS and C3I system consists of the coil pack, ignition module, crankshaft sensor, interrupter rings and ignition control module (ICM). All components are serviced as complete assemblies, although individual coils are available for Type 2 coil packs. Since the ICM controls the How to fix a coail pack on a 1987 Pontiac 6000? - 86812032.gifing, no timing adjustments are necessary or possible. Fig. 3: Wiring schematic used on the C3I ignition system Fig. 4: Notch effect on the output signal used on the crankshaft sensor
Posted on Oct 09, 2010
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Posted on Jan 02, 2017
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