1990 Johnson 155 No Spark on all 6 plugs

[bweir]

Last week end changed the steering cable. This weekend no spark. I tried many of the tests in Seloc Book with no luck and found no loose grounds, also tested the man overboard lanyard. Originally I did try to start motor with battery charger hooked up. Could this have cooked the power pac? It does not smell burned. Dumbfounded...

 

[Sixmark]

Re: 1990 Johnson 155 No Spark on all 6 plugs

Did you try testing the powerpack yet? or the rectifier for that matter?

 

[Joe Reeves]

Re: 1990 Johnson 155 No Spark on all 6 plugs

Using a battery charger wouldn't do any harm UNLESS you had it hooked up backwards (reverse polarity).

Remove all of the spark plugs. Rig up a spark tester whereas you can set a 7/16" gap for the spark to jump. Disconnect the large RED electrical plug at the engine. Crank the engine to test the spark by using a small jumper from the battery cable terminal of the starter solenoid to the small 3/8" nut on the solenoid that energizes it.

If you now have spark, replace the ignition switch. Let us know what you find.

 

[Sixmark]

Re: 1990 Johnson 155 No Spark on all 6 plugs

I was going on the assumption that he had performed those tests Joe ,as he stated he tested the kill switch, etc.

 

[bweir]

Re: 1990 Johnson 155 No Spark on all 6 plugs

Thank you for the quick feed back. I have not tried the test with the red connector unplugged nor the power pac test. I am running out of day light so I will look into these tomorrow evening. Thanks again and I'll keep my fingers crossed.