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Old 07-31-2010, 10:44 PM   #1
floridaboy
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Default ignition problem 99 sc1

99 sc1 engine died abruptly. Won't restart. Batt is good. Starter won't turn. Interior lights dim when key is turned. Is problem likely in switch, ignition coil, ign. module, or other? How can I find the fault?

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Old 07-31-2010, 11:18 PM   #2
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Default Re: ignition problem 99 sc1

It's obviously not the ignition module or coils; they don't kick in until the engine starts turning.

If the lights dim then the starter is trying to turn, which means the switch and wiring, etc. should be good. But a bad starter can't stop a running engine. Either you have a running (spark, fuel, air) issue that is astronomically coincidental with a failed starter, or more likely, the engine has seized.

Is it a manual transmission car? If so, try bump-starting it.

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Old 08-01-2010, 09:30 AM   #3
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Default Re: ignition problem 99 sc1

It's a manual transmission. I don't think the engine is seized, but if the ignition switch has failed, and the start circuit is bad, could it have the same result?

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Old 08-01-2010, 11:13 AM   #4
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Default Re: ignition problem 99 sc1

Quote:
Originally Posted by floridaboy View Post
It's a manual transmission. I don't think the engine is seized, but if the ignition switch has failed, and the start circuit is bad, could it have the same result?
If you are getting dim lights when you go to crank the engine then the ignition switch is good as power is going somewhere. Same with the starter circuit. The starter is the largest power draw in the car. If it is trying to work and not able to you will notice the lights dim as power is pulled.

As madpogue stated bad starter or seized engine. See if you can rotate the engine by hand. If you can then the starter is the most likely problem.
How is the oil level in the engine?

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Old 08-01-2010, 11:16 AM   #5
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Default Re: ignition problem 99 sc1

With a 5-speed, an attempt to push-start the car is easier than trying to turn the engine by hand.

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