NO SPARK, FUSEABLE LINK LOCATION

  • Tiny
  • Jbird
  • 1991 Chrysler Le Baron
  • 6 CYL
  • FWD
  • automatic
  • 85,000 miles

Turns over but no spark

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Monday, February 20th, 2012 AT 6:24 PM

20 Replies

  • Tiny
  • caradiodoc
  • Expert
  • 25,453 posts

There's lots of fuse links. They're all by the left strut tower. Have you tried the Hall Effect pickup assembly in the distributor or are you just guessing at what's wrong?

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Monday, February 20th, 2012 AT 8:37 PM
  • Tiny
  • Jbird
  • Member

No power going to coil, coil checks good

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Wednesday, March 7th, 2012 AT 7:39 PM
  • Tiny
  • caradiodoc
  • Expert
  • 25,453 posts

Have you tried the Hall Effect pickup assembly in the distributor?

How are you checking for voltage at the coil? Ignition switch on? Cranking the engine?

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Wednesday, March 7th, 2012 AT 8:08 PM
  • Tiny
  • Jbird
  • Member

Yes turns over no spark

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Wednesday, March 7th, 2012 AT 8:23 PM
  • Tiny
  • caradiodoc
  • Expert
  • 25,453 posts

Yes what? Take the time to give me some details. I often type for hours but you have to give me something to go on.

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Wednesday, March 7th, 2012 AT 8:29 PM
  • Tiny
  • Jbird
  • Member

Had the coil checked ok but no power going to coil

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Wednesday, March 7th, 2012 AT 9:26 PM
  • Tiny
  • caradiodoc
  • Expert
  • 25,453 posts

There will only be voltage to the coil for one second after turning on the ignition switch. The voltage will come back during engine rotation, (cranking or running). If it does not, the automatic shutdown (ASD) relay isn't turning on. I'm guessing you have the 3.0L engine. The Engine Computer needs to see pulses from the distributor before it will turn that relay on. Check if the rotor is turning in the distributor. The pickup assembly in the V-6 distributor has an extremely low failure rate. A broken timing belt is more likely. That would make the distributor stop turning.

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Wednesday, March 7th, 2012 AT 9:51 PM
  • Tiny
  • Jbird
  • Member

The rotor is turning

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Monday, March 19th, 2012 AT 6:47 PM
  • Tiny
  • Jbird
  • Member

Any other advice you can give me?

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Monday, March 19th, 2012 AT 6:49 PM
  • Tiny
  • caradiodoc
  • Expert
  • 25,453 posts

The first thing to do is monitor the automatic shutdown (ASD) relay. Use a test light on the ignition coil positive terminal. A digital voltmeter usually won't respond fast enough. The light should turn on for one second after turning on the ignition switch, then go back off. If it never turns on, swap the ASD relay with a different one like it such as the starter relay or possibly the AC compressor relay. You may also need to see if voltage is getting to the relay. I'll find the pin diagram if it comes to that.

If you do get voltage at the coil for one second, that proves the ASD relay and circuit are okay and the computer has control over it. Next, that voltage must come back when you start cranking the engine. If it does not, there is a problem with the distributor or the wiring to it. The 3.0L distributors cause extremely little trouble so I'd expect to find a broken wire or corroded connector terminal first. Check for 8 volts on the orange wire with the ignition switch in the "run" position. The black / light blue is the ground and should have no more than about 0.2 volts. If it's higher, there's a broken wire someplace. If those two voltages are correct, you'll have to measure the other two wires between the distributor and the Engine Computer to see if one is broken.

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Monday, March 19th, 2012 AT 8:47 PM

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