Just push them on till they bottom out.
In a way, it has coil packs which have wires connected to them. Each cylinder has its own ignition coil and the spark distribution is electronically controlled.
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...
The 2004 Trailblazer does not have plug wires. It has a coil pack per cylinder that connects direct to the spark plugs.
Both, each spark plug has it's own coil pack that creates the spark, and a wire to connect it to the plug.
Alphabetical
Mounted on your valve cover is a box where your spark plug wires connect. This is the coil pack
cylinder #'s front to rear drivers side 456, pass side 123 ------------------------------------------------------------------------------ The COIL PACK TOWERS are numbered : coil---3---4 pack--2---6 plug---1---5
Distributor has a center conductor that links to the coil via a wire the same size as your spark plug wires..
you have to replace your spark plug wires there is a coil on each wire for each cylinder.
I'd know more if you told me its location, but it is probably the spark coil. Is there a thick wire running from the coil to the distributor, and from there thick spark wires running to each cylinder?
follow the spark plug wires from the engine and where they connect is your coils
Bad spark plugs? Bad plug wires? Bad valve? Bad piston? Bad coil? (new Fords haeone for each cylinder) Bad spark plugs? Bad plug wires? Bad valve? Bad piston? Bad coil? (new Fords haeone for each cylinder)