The firing order is usually cast into the intake manifold on top of the engine. It will be an eight digit number beginning with the number 1. Each number following the one is the next cylinder to fire after the preceding number.
Aftermarket plug wires usually do not have the numbers printed on them.
When replacing wires, separate the new wires by length. Then match them to the wires that you just removed by selecting the closest match to the old wire.Where do I locate the firing order numbers on the spark plug wires?
distribute the wires by length...if the wire is too short for the plug then its not the right plug, all the right wires should match up with the right holes
Most of the times I have replaces plug wires you just pull the old ones off one at a time and replace with a new one from the set that is the same length. If you do need the firing order you can call an auto parts store and see if they will tell you, it is listed in the repair manual for you vehicle. Most GMs start out with number 1 on the front right but I an not sure on yours so I would check the manual.
number one spark plug is nearest to the crankshaft pulley.. make sure you tighten them to specifications.
Wires are not numbered, only the firing order (plugs location, and the order in which they ignite) Whichever reaches (because some are different lenghts) where is how you will put them on.
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