depending on the engine size they will be located in the sides of the heads. look for a rotor cap and 6 or 8 big wires, depending on the engine, then foller them rihgt down to the spark plugs.
There are four spark plugs in this bike's engine as it has a four cylinder V.
.35 stock .40 to .55 aftermarket
Use for example NGK DPR8EIX-9 or NGK DPR8EA-9 spark plugs.
The recommended spark plug, for a 1984. Thunderbird 302, V8 engine, is a champion spark plug. The spark plugs can be purchased at most auto-parts stores.
the spark plugs are screwed into the engine block and the top part of them is covered by a single wire, if you have a four cylinder engine, there will be four spark plugs, the wires will all go from the spark plug to a distributor cap and should pull straight off on each end, if you are replacing the spark plugs make sure not to change any of the wire locations
in the front of the block.
The spark plug gap for a 1984 258 6 cylinder Jeep should be set at .033 inches. New spark plugs will be preset and should not need adjustments.
The ignition module is located in the distributor under the rotor, it plugs in.
The 1984 Chevy Camaro turn signal flasher unit is located beneath the drivers side dashboard. The turn signal flasher unit will be above the brake pedal.
on the bottom of the engine on the passengers side next to the oil pan