Step 1: Safely Disconnect Both Ends of the Spark Plug Wire. Before proceeding, ensure the engine is off and cool to the touch. Slowly and carefully disconnect both ends of the spark plug wire you wish to test. One end is connected to the spark plug, and the other to the ignition coil or distributor. As you can see in the picture, the coil has a “chamber” with a rigid centre contact protruding from it’s center for connecting the high tension lead. This chamber is about 3/8 in. deep. It has a diameter appropriate for inserting a 7 MM spark plug wire, and I did press one down into the “chamber” and it connected to the contact and The wires going to the plugs are attached to the distributor mounted on the front of the head (red arrow). Figure 2 This photo shows a close-up of access to the wires and plugs. You can see there is easy access to the numbers 2, 3 and 4 plugs (red arrows), while number 1 is partially hidden (yellow arrow). Step 3: Remove the spark plug wire. You will detach the wire either at the coil pack or at the distributor cap by twisting it slightly and pulling on it. Step 4: Unclip the spark plug wire from the retaining clips. Step 5: Visually check the spark plug wire for damage. Look for any signs of melting or cracking. There is a diagram is in the Ford shop manual. It shows the correct arrangement from the distributor cap to the cylinders including the clips on the drivers side so that #7 do not run parallel to each other and cause crossfire since they fire in sequence. 1-5-4-2-6-3-7-8. As long as the OP's 69 is not a 351w. Feb 7, 2015. #3. You just shove the wire in through the boot, grasp it with a small pair of needlenose pliers in where the sparkplug tip usually goes in, pull the wire end out, the sharp prong on the coiled wire end just pushes in through the wire insulation and then pull the wire back through the boot til it seats in its usual place for the AXVCO. The 4.0L firing order is 1-4-2-5-3-6. Remove the wire retaining brackets from the old spark plug wires and install brackets in same relative position on the new wires. Install spark plug wires and retaining brackets on the engine (6007). Connect spark plug wires to proper spark plugs. Figure 5 To remove the plugs use a 13/16 spark plug socket (it does not need to be thin walled) along with an extension. Place the socket over the plug and slowly rotate it until it seats over the rubber in the socket and the base of the plug (red arrow). Spark Plug Wire Set Custom Fit; 6 Cylinder; Blue. 90 Day Limited Warranty. Color: Blue. Core Material: Spiral. Your Jeep Wrangler's spark plug wires carry power from the distributor to the spark plugs. On each end of these wires is a boot. The wires are insulated to prevent shorting and arcing. Spark plug wires can degrade over time and become O'Reilly Auto Parts carries replacement ignition wire sets, performance spark plug sets, new spark plugs, and other ignition system parts to help you make a complete repair. Shop for the best Spark Plug Wires for your 1998 Ford Explorer, and you can place your order online and pick up for free at your local O'Reilly Auto Parts. 8021ACC. Line: ACC. Check Vehicle Fit. Spark Plug Wire Set Universal Fit; With Male Tower Distributor Cap/High Energy Ignition (HEI) Boot; 8.8mm; Spiral Graphite Radio Frequency Interference (RFI) Core; 90 Degree Boot; 500 Ohms Per Foot; Yellow. 90 Day Limited Warranty. Diameter (mm): 8mm. Re: Spark plug wire placement. The shortest and easiest way is to look at your cap. It should have a #1 on it near the top. That wire goes to the front plug, Going clockwise the next wire on the cap goes to the third plug, The next wire goes to the last plug and the last wire goes to the second plug. That is your 1-3-4-2 firing order.

how to connect spark plug wires