If it has a 3.5L V6 engine, it has no plug wires. If it has a 3800 V6 engine, they're routed around in a plastic wiring loom under the plastic engine cover and under the corner of the alternator. The hardest part about replacing them is getting the old ones off (they stick to the plugs). Twisting motion helps more than tugging.
Disconnect the battery, remove the spark plugs wires and boots and remove the spark plugs. Put in the spark plugs, replace the spark plug wires and boots, and connect the battery.
Disconnect the battery, remove the engine cover, remove the spark plugs wires and boots, and remove the spark plugs. Put in the new spark plugs, replace the spark plug wires and boots, replace the engine cover, and connect the battery.
Disconnect the battery, remove the spark plug wires and boots, and remove the old spark plugs. Toss out the old spark plugs, put in the new spark plugs, replace the spark plug wires and boots, and connect the battery.
Disconnect the battery, remove the boots and wires, and remove the old spark plugs. Put in the new spark plugs, reattach the boots and wires, and connect the battery.
Disconnect the battery, remove the spark plug wires and covers, and remove the old spark plugs. Next, put in the new spark plugs, attach the covers and spark plug wires and reconnect the battery.
Disconnect the battery, remove the spark plug wires and boots, and remove the old spark plugs. Dispose to the old plugs, put in the new spark plugs, replace the spark plug wires and boots, and connect the battery.
The tune up for the 1999 Intrigue refers to the replacement of the spark plugs and their wires. There are no timing adjustments on this year of the vehicle.
You will first need to remove the coils and plug wires to access the spark plugs. The coils sit on top of the valve cover and are held in with small torx head screws. Then pry off the plug wires and remove the coil and wires together. Then you have access to the spark plugs.
remove the spark plug wires one at a time and unscrew the plugs
Remove the spark plug wires from the spark plugs, use an extension for your Allen wrench, and use a spark plug socket to remove the spark plug.
Try replacing the plugs and wires
Disconnect the wires to the battery, remove the spark plug cables and boot covers, and remove the old spark plugs. Next, put in the new spark plugs, attach the boot covers and spark plug cables and reconnect the wires to the battery posts.