Spark Plug Wires installed incorrectly?

Tiny
GERRI LYNN LESTER
  • MEMBER
  • 1999 GMC JIMMY
  • 4.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 250,000 MILES
Somehow messed up when replacing plug wires, terrible miss and knocks. The cap has numbers, but I need a diagram to see what is run to wrong place.
Sunday, October 13th, 2024 AT 1:53 PM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 48,363 POSTS
Sure here is the engine firing order and spark plug numbers, just match them up and you should be good to go.

Firing Order. 1-6-5-4-3-2

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Sunday, October 13th, 2024 AT 5:22 PM

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