Question about 1992 Plymouth Voyager
I have a 1992 Plymouth Voyager and it quit on me going down the highway. After checking it out I have found that there is no spark coming out of the coil. I checked the power going in to the coil with a 12v test light. It only lights up for about 2 seconds when turning it over. Is this normal, and do think the problem is before the coil or not.
Voltage is applied across the coil primary only in brief pulses too short to light the typical troubleshooting light.
The 2 seconds you are seeing it light is just before the coil is hit with pulses. After that brief span, voltage is applied and removed too quickly to detect that with a light.
If you are getting no spark, it is because this rapid application and removal of the voltage isn't happening at all. This can be caused by a failed ignition module or ECU. In your engine, there may also be a pulse transformer in the distributor that supplies signal to the coil instead of the pulse coming from the ECU. Pulse coils will normally measure from 6,000-12,000 ohms if they are still OK.
Posted on Jan 12, 2009
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Posted on Jan 02, 2017
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