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Old 03-06-2013, 07:06 PM   #6
chrisorbics
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Re: 2003 Sorento 3.5 V6 Only has spark on 2 cylinders

Quote:
Originally Posted by chrisorbics
I am now trying to find the ground for the three coil wires.
The terminal for the coil has 3 terminals. The left is the positive the center is ground the right goes to a condenser then to ground.
Use a 12 volt test light try to find the hot as I don't have a color code. Normally the ground is pulsed. Use an ohm meter one terminal on a ground . With the ignition off find the ground wire. Use a 12 volt test light and a gem clip small paper clip. Run the tester between the ground center wire and hot wire. Have some else crank the engine if the light blinks go to the next coil.
Each coil should get a pulse. Use an Ohm Meter and check each plug wire for continuity about 1/2 scale. Check each plug for cracks and proper gap. Use a spark tester and check each coil.
Start with this and reply back.
Thanks for the information. That is very helpful. I was wondering how to check for the pulse. I did get 12v from the wire closest to the front of the truck last week. I will use my circut tester for this. The weather is going to be very nasty here untill friday afternoon and the truck is not at my house. I will get this done soon though.

The coils must be good because if I switch them to the #4 plug they work fine.
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