Re: Ignition Coil

Posted by Doug in OR on September 29, 2003 at 09:40:45 from (12.225.61.140):

In Reply to: Ignition Coil posted by Gramps544 on September 29, 2003 at 09:25:06:

A quick and dirty way to test a coil is to ground the terminal that goes to the points - after removing the ignition wire from the other terminal. Pull the high voltage wire at the distributor cap end. Position the tip of the high voltage wire about a quarter inch from any engine frame/block component. Now touch any hot wire from the battery to the ignition terminal side of the coil. The high voltage wire should produce a spark every time you remove this ignition wire from the coil. Look for a nice brisk blue spark. Beware of a lame orange spark.

One thing to note: Many coils only fail when they are hot. If the above test works on a cold coil, you may still have a coil problem. This is usually indicated by having the engine run fine when things are cold, but having problems with missing or cutting out as things warm up.

Follow Ups:

• Re: Re: Ignition Coil Gramps544 14:11:41 09/30/03 (0)

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