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| Author |
Message |
    
Nelson Fletcher
Visitor
| | Posted on Friday, May 09, 2008 - 09:57 pm: | 
|
I have a 20hp mariner ser# A701409 with new coils and wires I picked it up awhile ago and it needed some parts, once I was finished I fired it up, it ran great and all of a sudden no spark, I tested the stator and trigger resistance is a bit low trigger by approx 40 and stator by 60 is this enough to not produce spark? I tried disconnecting the kill switch will no results, any help will be greatly appreciated and the last question the motor has a aux stator both wires run to a block , what is this used for?
Nels |
Nelson Fletcher
Visitor
| | Posted on Friday, May 09, 2008 - 10:24 pm: |
|
Well seems with a bit more digging lol the aux stator is for charging so at a later date I guess get a rectifier and I can charge my deep cycle I used with the boat, but the stator/ trigger questions still stand also one more question from the pos/neg terminals on the coils should they show continuity to eng ground at all? |
JB
Advanced Member
Username: beckerjs
Post Number: 952
Registered: 11-2005
| | Posted on Saturday, May 10, 2008 - 09:23 am: |
|
resistence changes with temperature.
trigger test 650-850 between leads
coil test, .02-.04 between pos and neg
,800-1100 between coil tower and neg terminal |
Nelson Fletcher
Visitor
| | Posted on Sunday, May 11, 2008 - 09:29 am: |
|
I will check that out in a few mins thank you, the thing is I get spark sometimes and sometimes not, I went out yesyterday and she fired up several times on the lake no problem, I go out this morning and check and no spark at all |
Nelson Fletcher
Visitor
| | Posted on Sunday, May 11, 2008 - 01:02 pm: |
|
here are the results
trigger 760
stator low 142.6 high 3100
coil pos to neg .4 on both
coil tower to neg I lost you on sorry
But I have no visual spark at all and none the old fasion hold onto way either lol, any ideas? |
Graham Lamb
Senior Member
Username: galamb
Post Number: 3165
Registered: 05-2007
| | Posted on Sunday, May 11, 2008 - 04:12 pm: |
|
That's starting to sound like a bad ground, bad kill switch/key switch (as applicable) or just a bad/loose/frayed/rotted connection somewhere... |
Nelson Fletcher
Visitor
| | Posted on Sunday, May 11, 2008 - 05:55 pm: |
|
Its wierd I have looked at all the wires I can find and they look great, I did try the disconnect the kill switch with no sucess but I also test the kill switch (push button) wire (blk/ylw) to ground and it makes no continuity at all when pushed or released. But yesterday when it was running fine the kill switch worked fine. Any other ideas? |
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