The Wires are of different lengths. the shorter cable will connect to the closest plug and the longer cable to the outer plug. technically since they both run off the same coil they will ignite at the same time.
Distributor
follow the plug wires
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, and remove the spark plug wires one by one. Replace the spark plug wires in the same order, ensure the connection is firm, and connect the battery.
At the end of the plug wires that don't connect to the spark module.
No, not unless your connect the plug wires wrong or one of the new spark plugs was bad.
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 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.
Alphabetical
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.
underneath the plastic cover on the engine head are the spark plug wires, there are 2 coil packs there. the wires connect the coil packs. 2 of the spark plugs are under the coil packs and the other 2 are exposed...
check your battery connections (maybe loose wires)