LT1-LT4 Modifications 1993-97 Gen II Small Block V8

No spark at coil?

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Old 11-09-2010, 08:55 AM
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ADM
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Default No spark at coil?

After I had that rocker arm come loose, I removed the intake as advised by a few members here to check my cam lobe and lifter and of course that meant disconnecting just about every connector on the harness.

I cleaned all the connectors with contact cleaner before re-installing them in place after assembly, and went to start the car, no start.

I checked #1 spark plug wire, no spark. I checked directly out of the coil itself, no spark ( I put the male end that goes into the opti next to the water pump and no spark whatsoever).

I checked all my connectors again, still the same. The car was running and idling well before I took all connectors off though, and that is what has got me baffled

I must note that I was trying to crank the motor to get my lifters to pump up to set my valve lash right because I had removed them all and cleaned them. I did pull the fuses for the injectors so that I wouldn't get a load of fuel in my cylinders. I checked all the fuses and they are all OK.

Help?
Old 11-09-2010, 12:12 PM
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Default

Here's a few things to try:
http://shbox.com/1/4th_gen_tech2.html#opti_test

or
http://www.mainstreamtopics.com/foru...p?showtopic=78

Make sure your opti harness is free of corrosion and has a good connection.
Good luck




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