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have your ignition control module tested.(heat test) sometimes when the ignition control module goes bad , no starting/hard starting when vehicle is hot is a common symptom.follow up questionwhich is more likely the ignition control module or crank shaft rotation sensor and why?
What happens depends greatly on which module fails. If the engine control module (computer) fails it may cause the engine to run poorly or not at all. If the ignition module fails the engine won't start.
most likely a dead ignition module, the accessory part of the ignition goes awry, seen it happen a couple times after you install a new head unit.
The green wire is the negative and the yellow is the positive. It should be marked pos and neg on the module.
no
Most likely the ignition module.
The answer is purple
There is no longer an ignition "distributor" on today's engine.Electrical distribution is handled by the:Powertrain Control Module (PCM),camshaft position sensor (CPS)ignition coil that looks like a rectangular distributor. NOTE: 2000-2005 Duratec engines use Coil-on-Plug (COP) in lieu of a coilpackBy the way, there is also no longer an ignition control module - that job has been passed off to the PCM.The "How do you know which wire goes where on the ignition coil and spark plugs on a Taurus - Sable" question below introduces the basics of ignition distribution - hopefully it will help folks transition from the old arrangement to the new.
The order they go in are green, yellow, yellow, brown/white, black/pink, yellow/black, brown. I found another 1991 sunbird with the same distributor at a junkyard, that's how I found out.
The local variable goes away and the value is lost.
The ignition module in a 1985 Chevy Celebrity it located in the distributor. To change the ignition module: 1. Disconnect the ground terminal on the battery. Wear gloves to avoid getting acid on your skin. 2, Remove the distributor cap and place it out of the way. If you pull any spark plug wires make note of where they go so they can be put back. 3. Carefully unlatch the electrical plugs and remove them. The latches are old and brittle, be careful not to break them off. Take note of which one goes where to be able to put them back. 4. The ignition module is held in with two screws, remove them and lift off the module. Use fresh dielectric grease on the replacement module. Coat the bottom of the with a generous amount of dielectric grease. This acts as a heat sink and will greatly improve the life of the module. Reverse the procedure to install the replacement ignition module.
9 out of 10 times the Opti spark goes bad. Its not a cheap repair but is prown to be the problem. Its located behind the waterpump. You can test the ICM first (ignition control module) along with the coil. hope that helps some