Am I wasting my time without a DVA

[Lion hunter]

Trying to troubleshoot an issue with no spark on a 1986 9.9. All the ohm tests checked out but I don't have a DVA. Are all these tests useless without one, or is there another method I could use? My multi meter will read up to 500V DC.

 

[Joe Reeves]

Re: Am I wasting my time without a DVA

I and countless others, no doubt, have never used a DVA.

What is your problem?

 

[Lion hunter]

Re: Am I wasting my time without a DVA

I have no spark at either coil. Motor cranks fine. These are the test that I have done so far. 1986 9.9 J10RCDB

I have disconnected the black/yellow wire with the same results.

These are the tests I have performed ( all ohm tests):
Brown to brown/yellow=563

Brown to ground=open
Brwon yellow to ground=open
Black/white to white/black=40
Black/white to ground=open
white/black to ground=open

Is there other tests I should be performing?

Also there are 2 loose wires (blue and red) under the cowl I assumed that they were for the kill switch on the tiller model?

 

[Joe Reeves]

Re: Am I wasting my time without a DVA

Sounds like a failed powerpack.

 

[Lion hunter]

Re: Am I wasting my time without a DVA

That was my guess. IS this correct: The black/yellow wire just completes a ground to kill the engine. If the harness is disconnected I have continutity between the black/yellow and the orange (Bottom coil). This would seem like the powerpack shorted and is killing the spark. Going to order a new powerpack tonight.

How often do sensors and coil laminate assy go bad? Wondering if I should go ahead and oreder evrything at once.


Thanks for all the help. Don't know what I would do without this site,

 

[F_R]

Re: Am I wasting my time without a DVA

That was my guess. IS this correct: The black/yellow wire just completes a ground to kill the engine. If the harness is disconnected I have continutity between the black/yellow and the orange (Bottom coil). This would seem like the powerpack shorted and is killing the spark. Going to order a new powerpack tonight.

How often do sensors and coil laminate assy go bad? Wondering if I should go ahead and oreder evrything at once.


Thanks for all the help. Don't know what I would do without this site,

Correct, the black/yellow wire is the kill wire.

Can't answer your question about the continuity, because I've never tried it. You shouldn't be inventing new tests, it will only confuse you.

Your driver coil (coil & laminate) appears to be ok from your tests. So does the sensor. They are pretty reliable. I assume you don't see anything physically messed up or heat damaged in there? I agree, it sounds like you have a bad power pack. But we all get fooled sometimes. That's why they make DVA meters. Like Joe, I don't have one either.

 

[Lion hunter]

Re: Am I wasting my time without a DVA

It's alive!!! It was a failed power pack. Thamks to iboats for the quick shipping.