Why does 20 fuse plugged into 16 fuse hole spark and blow.

Damaged spark plug hole threads.

Those fuses are supplied by the ignition switch in the "start" position.
Either the switch is bad or the fusable link "B" in the underhood fuse/relay center is blown.

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Tools you will need before you start1. 1/4" ratchet2. 1/4" extention3. 10 mm socket, 1/4" drive4. small flat bladed screwdriver5. 3/8" ratchet6. 3/8" long extention7. 5/8" spark plug socket, 3/8 " drive8. air compressor with blow gun or can of compressed air9. long needle nose pliers10. 1/4" internal diameter rubber hose 8 inches long11. wire coat hanger12. neverseez lubricantProcedure1. Remove the two 10 mm cap nuts on the top plastic housing over the engine2. Remove the two fasteners on the back of the housing and remove the plastic cover3. You will see four plastic blocks with four wire clips on each block. These blocks are individual coils for each sparkplug.4. Use compressed air to blow out debris around the blocks5. Use the small flat bladed screwdriver to carefully lift up on the tab that holds the electrical connector onto the block and slide the wire clip off the block.6. Remove the 10 mm bolt that holds the plastic block onto the engine. Use the needle pliers to firmly grasp the plastic screw and pull straight up to remove it
7. Loosen the 10 mm nut on end of the plastic rail that holds the wiring harness for the blocks so that the round plastic washer on the bottom of the block will not break when you pull off the block8. Carefully pull the plastic block out of the engine. There is a 4 inch tube attached to the block that extends into the engine to the spark plug. It will take some twisting and pulling but you must be careful not to catch the back part of the round plastic washer that you cannot see, on the bottom of the plastic wiring harness.9. The spark plug is at the bottom of the 4 inch hole.10. Blow compressed air down the hole to remove debris11. Use a 5/8 sparkplug socket with a rubber collar on the 3/8" extention to remove the spark plug. The rubber collar will hold onto the spark plug as it is removed.12. The NGK website recommends making sure the spark plugs have the correct gap .044 but the spark plug box says not to adust the gap because you might damage the needle point iridium tip. The new spark plug has a protective cardboard tube that is removed.13. Spark plugs can stick inside aluminum heads and break off when you try remove them, leaving only the threads of the plug inside the engine which will necessitate removing the head to remove broken spark plug. Putting neverseez on the threads of the new spark plug will prevent that in future spark plug changes14. Now comes an interesting choice. You can use the rubber tube over the neck of the spark plug to slowly drop it down the hole and hand tighten it or you can use the spark plug socket with the rubber collar. If you use the spark plug socket, the rubber collar will stick to the plug and you will pull off the extention, leaving the socket in the hole. A pair of long needlenose pliers will reach into the hole and remove the socket, but the rubber collar may remain on the plug and you will have to bend a piece of coathanger with a short 90 degree tip to reach into the hole and pull out the rubber collar. The rubber collar is there to prevent you from cocking a regular 5/8" deep socket at an angle which will break off the neck of the sparkplug, necessitating another 10 dollars and another trip to the auto parts store.15. After the spark plug is hand tight, give it 1/2 turn more.16. Replace the square block, being sure that the black silicone gasket on the bottom of the round plastic washer does not get bound up on the engine post where the 10 mm bolt goes. Tighten the bolt17. replace the electrical clip.18. Go to the next spark plug and repeat the procedure.19. After the last spark plug is done, be sure to retighten the 10 mm nut on the wiring harness rail20. Replace the plastic cover over the engine and you are done

Hello, first how many miles do you have on this Lincoln? On that 4.6 L V8 engine they do have spark plugs but each plug has it's own spark coil located on a long rubber plug. You will see four little coils on each side of the engine. There will wires going in to the individual coils. There will be a bracket the holds the coils in place with a small 9 or 10 mm nut. Remove the nut, and gently pull on eac coil. There Hello, first how many miles do you have on this Lincoln? If you have over 120 thousand miles on this engine then it might need new spark plugs. On that 4.6 L V8 engine they do have spark plugs but each plug has it's own spark plug coil. You will see four little coils on each side of the engine. There will wires going in to the individual coils. There will be a bracket the holds the coils in place with a small 9 or 10 mm nut. Remove the nut, and gently pull on each coil. There a long rubber plug that fit in each spark hole. These rubber plugs are about 4 1/2 to 5 inches long.


Before removing the plug use an air hose with 50 to 60 lbs of pressure to blow each spark plug hole out which might have foreign object in the hole. Why, if you remove the spark plugs, and there is foreign material in that plug hole. Guess what, that stuff will fall into the combustion camber.



Then you will really have some problem. How fix if stuff fall into the combustion camber.

Squirt small amount of oil in the combustion camber, unplug all the coils and clear out there plug hole. Now remove all the spark plugs. Now, you can crank the engine and will the little amount in that cylinder that has the junk in it. The oil will wet the foreign debrie, and blow it out the spark plug hole. Then use a clean rag with with some oil it with a long screw driver to clean that spark plug hole Be careful that don't push the foreign material back into the combustion camber. Do this several time with little amount of oil.



Now, you can install the new spark plugs. On the spark plugs threads use some anti-shiz grease. Why squirt oil into the combustion camber? The oil is used to seal the rings on the piston to increase the cylinder compression. Just a small amount goes a long ways. GB...stewbison
a long rubber plug that fit in each spark hole. There rubber plug are about 4 1/2 to 5 inchs long.

Before removing the plug use an air hose with 50 to 60 lbs of pressure to blow each spark plug hole out which might foreign object in the hole. Why, if you remove the spark plugs, and there is foreign material in that plug hole. Guess what, that suff will fall into the combustion camber.
Then you will really have some problem. How fix if stuff fall into the combustion camber.
Squirk small of oil in the combustion camber, unplug all the coils and clear out there plug hole. Now remove all the spartk plugs. Now, you can crank the engine and will the little amount in that cylinder that has the junk in it. The oil will wet the foreign debrie and blow it out the spark plug hole. Do this serveral time with little amount of oil.

Now, you install the new spark plugs. On the spark plugs threads use some anti-shiz grease.
Just a small amount goes a long ways. GB...stewbison

When u replace a fuse and keep blowing, it means the appliance using that fuse is faulty and should be checked or the wires after it are naked and causing a short circuit. When a nut falls into a spark plug hole, u can stil fit ur plug but it wil cause damage to the piston and bore lining when u run the engine, it has to be removed first.

Each plug has it's own ignition coil. Remove the bolt from the coil and pull with a twisting motion. Be sure not to lose the spring inside the boot. If I remember right these plugs are 9/16. If you have an air comressor, be sure to blow any debris out of the hole before removing the plug.Don't forget the anti-sieze and dielectric grease when reinstalling. Hope this helps.

GO TO THIS SiTE TO CHECK THE FUSE BOX!
http://vwtech.no-ip.info/images/golf/post90.gif

This are the FUSE and RELAY number SLOT!
Fuse No. Description Ampere Rating 1 Headlight, low beam, left 10 2 Headlight, low beam, right 10 3 Instrument panel lights, license plate lights 10 4 Glove compartment light 15 5 Wiper/washer 15 6 Fresh air blower 16-valve only: Air conditioning 20 7 Taillights, side marker light, right 10 8 Taillights, side marker light, left 0 9 Rear window defogger 20 10 2.0 16-valve only: Fog lights 15 11 Headlight, high beam, left,High beam indicator light 10 12 Headlight, high beam, right 10 13 Horn 16-valve only: Radiator cooling fan 10 14 Back-up lights, washer nozzle heaters 10 15 2.0 16-valve only: Engine electronics, stabilizer valve, cold start valve 10 16 Instrument panel warning lights, 16-valve only: Multi function indicator 15 17 Emergency flasher switch, turn signals 10 18 Fuel pump, oxygen sensor heater 20 19 Radiator cooling fan, air conditioning 30 20 Brake lights, cruise control 10 21 Interior lights, digital clock 16-valve only: Luggage compartment light,multi function indicator, central locking 15 22 Radio, cigarette lighter 10
Relays Relay No. Description 1 Air conditioning 2 Open 3 Digifant control unit 4 Load reduction relay 5 Low coolant level control unit or Open 6 Emergency flashers 7 Rear Wiper 8 Intermittent wipers 9 Seat belt warning system control unit (possibly headlight warning too?) 10 Fog lights 11 Horn 12 Fuel pump (except diesel)Glow plugs (diesel) 13 Radiator cooling fan after run (except 16-valve)2.0 16-valve: Starter interlock relay 14 Automatic trans., coolant temperature indicator,starter interlock relay (except 2.0 16-valve)2.0 16-valve: Radiator cooling fan after run 15 ABS pump relay 16 ABS relay 17 Heated seat control unit, driver 18 Heated seat control unit, passenger, or power seat circuit breaker 19 Automatic transmission 20 Open 21 Power window relay, ABS hydraulic pump fuse 22 ABS valves fuse 23 Air conditioning, power seat fuse 24 Power window fuse

it's not customary for the timing marks to be in the groove surfaces of a pulley. remove # 1 spark-plug. Remove fuel pump fuse to not allow engine to start. Plug spark plug hole with a rag and crank engine until compression blows out the rag. Now look for the TDC mark on crank pulley and hole on cam to be on top and aligned with mark on cam bearing cap

Do you have oil puddling in the plug hole or do you have oil blowing out a spark plug hole?
Is the plug fowled? maybe caused by running to rich, wrong plug, or a timing problem.

it is a special tap just for spark plug holes, any auto parts store will have one, it is double sided to fit both 5/8" and 13/16" plug size. very cheap to buy.