Depending on how many you crossed the engine would fail to run or run very roughly as the spark to the cylinder is not timed correctly
When replacing spark plug wires.
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You need to know the firing order to know where your wires go.
I would suggest replacing it if someome stole it - otherwise if your car is young -look for causes of poor spark operations in the plug wires and related spark supply components. Usually, a distributor needs to be replaced when it is worn or malfunctioning and repair or rebuild of the distributor in no longer possible, or would cost more than replacing it.
Are you wanting to know the order of the wires on the engine or the distributer cap?
I know my Jeep GC has "coil on plug" ignition, so there aren't traditional spark plug wires, just low voltage.
I need to know which is the right length of the spark plug wires are going in to the block?
Answer I can only assume that your question is How do I change the spark plug wires on a 1995 Buick and how do I know where they go? You take one wire at a time out of the top of the engine, and trace it to the distrubuter. Replace that wire and continue replacing each wire the same way as you did with the first one. When you are finished the car should run properly, but while you are changing the wires why not change the plugs too.
Need to know what year 4.3L you have to answer that.
I need to know also. I can't get the spark plug wires off!
how do you know what wires to connect on your spark plugs example1-6 2-5 3-4 and how do you know which spark plug is 1 2 3
Need to know what size engine.