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well if you are just changing the spark plugs and not the wires, take off one wire at a time from the end of the spark plug. you will need a deep spark plug socket to take off the plugs (turn them counter clockwise). take the old one out, toss it. if you can on the new one, put some anti-seizing compound on it (around the part that screws in). then using the SP socket, put it back in where the spark plug you took out was. don't over or under-tighten these though.

replace the wire on the spark plug, and move on to the next one. be sure not to mix the spark plug wires, or your firing order will be off.

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14y ago
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Q: How do you change spark plugs on Ford Ranger 1989?
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