1999 Pontiac Grand Prix coil positioning/ignition timing

200,000 MILES • 6 CYL • FWD • AUTOMATIC
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ROYEBOLEN
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  • 1 POST
What is the proper positioning for the coils on the ignition control module?
Nov 12, 2009 at 4:36 PM
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MMPRINCE4000
  • ✓Experienced Mechanic
  • 8,548 POSTS
Not sure I understand the question.

The coils are interchangeable, but must be hooked up to correct wires for correct firing order.
Nov 13, 2009 at 12:31 AM
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