What happens if spark plug wires are crossed?
Every engine manufacturer provides a service manual detailing the correct firing order of their cylinders. When one or more spark plug wires are crossed, the engine may not run, or runs roughly as the timing of fuel/air compression does not align with the delivery of the spark.
How do you fix mixed spark plug wires?
How to Fix a Spark Plug Wire Mix Up
- Find the firing order information. Look in a Haynes or Chilton manual or call the dealer or an auto parts store.
- Disconnect the battery.
- Refer to the diagram and disconnect the mixed up spark plug wires.
- Reconnect the spark plug wires to their corresponding spark plugs.
How does a distributor rotor and cap work?
The coil supplies the power directly to the rotor and as the rotor spins, distributes this electricity to each cylinder by way of plug wires that are attached to the distributor cap. When the tip of the rotor passes a contact on the cylinder, the high voltage pulse goes from the coil to the cylinder through the rotor.
How do you change the cap on a distributor?
After the wires have been installed in the new cap, place the cap on the distributor and rotate it until the alignment tab allows the cap to drop into place. Reconnect the cap back to the distributor, and reconnect the short plug wire back to the ignition coil. Double-check all wire connections.
Where is the distributor cap on a spark plug?
Start by removing the distributor cap. This is a big round part where all four spark plug wires are connected. The distributor cap is located in the front or at the top of the engine. It is held in place tightly by two latches. Remove the latches using a screwdriver. At this point, use a marker to make two lines.
How long does it take to remove a distributor rotor?
Some rotors fit freely on the distributor shaft; while others are secured with a screw. If your vehicle has a rotor secured with a screw; always use the new screw. According to most service manuals, the job of removing the distributor cap and rotor itself is only about one hour to complete.