1990 Other GMC Models Firing order

  • 1990 GMC

Engine Mechanical problem
1990 Other GMC Models V8 Front Wheel Drive Automatic 185000 miles

My husband pulled the wires and plugs on my GMC Suburban (1990). He got the plugs replaced but I need the firing order and help to put the wires back in the correct order.

Do you
have the same problem?
Tuesday, August 26th, 2008 AT 2:09 PM

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