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I assume you are talking about the starter relay or solenoid coil. If the engine is cranking but not starting, the coil is most likely good. If Nothing happens, check battery voltage at the coil. If voltage is present, coil (winding inside the solenoid or relay) is most likely bad. If no voltage present, then check for corrosion, loose terminal fittings, or any wire or cables that go from the battery to the starter.
What else can I help you with?
What is wrong with a 1989 Cressida if you can't get a spark from the coil?
If you know the coil is good then the Igniter is bad. It is right below the coil.
How do you know there is spark to the plugs and coil on a 1974' chevy 350 engine?
Connect a known good spark plug to a spark plug wire and ground the threads to the engine while cranking. If there's spark to the electrode you know the coil is good and it's sending current through the wire.
Is a heater coil a conductor?
heater coil is good conductor of electricity
How do you know if a ignition coil still works?
Is this a conventional coil, a hei coil, or a coil over each plug?? need more info, but is has a wire, hold approximately 1/4 inch from ground and see if archs, if High Energy coil, hold plug wire about 1/4 in from ground and see if fires, if coil over plug individualy, not sure how to check them. good luck
How do you know if your coil pack is bad?
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What would cause your 1995 grand marquis coil not to fire?
Maybe the coil is not good ?
How do you test the coil on lesabre 3800 engine?
I think you remove one of the spark plug wires from the coil and hold it far apart from the coil. Have someone turn the key so the car is turning over. Bring the spark plug wire closer to the coil and if there is spark the coil is good. Note: if you hold to close you will get a very good jolt of spark if the coil is good, that is why you start far away and work your way closer.
How do you diagnose a bad coil pack on a 5.4 liter ford?
This is how I diagnosed my 5.4 liter coil packs, I isolated the cylinder that was misfiring and then took a know coil from a good cylinder and swapped with the suspected bad coil. When the misfire went to the specific cylinder I swapped, I replaced that coil. Note- It is advised to replace all coil packs if you can afford too! Summit and Stylin has Hi performance coils for the fraction of cost as a single cost of the dealer's price.
How exactly do you know if the crank shaft sensor is bad?
when the hall effect and ignition module are good, the injectors and coil no work maybe this sensor is bad
What color is the spark if the ignition coil is good?
The spark is always blue. If your coil is bad your engine will misfire.
What do the numbers on a coil pack mean?
careful if you do not know never turn engine over next to coil be advised
How do you know if your coil is bad on john deere lawn mower?
Lt133 lawn tractor will not fire is coil bad
