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Kill Switch/Short 18 Mar 2023 11:42 #881697

  • SRQ Mike
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Finally got my 79 KZ650 running fairly well.  Unfortunately, yesterday when I turned the kill switch to the Run position, I heard a click/pop near the fuses.  The fuses all appear to be intact but obviously the starter portion of the electrical system is dead.   What else should I be checking?   I should note that I'm fairly ignorant when it comes to the electrical system and apparently too old to learn the intricacies of diagnosis.  
1979 Kawasaki KZ650 SR

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Kill Switch/Short 18 Mar 2023 12:00 #881699

  • F64
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Do your ignition coils have voltage on the yellow/red wire with engine kill switch set to "run" and key "on"?
81-KZ440-D2.
Louis Dudzik's GM HEI ignitor conversion installed 2015 s3.amazonaws.com/gpzweb/Ignition/GPZgmHEImod.html
Motogadget m-unit blue installed 2017.
LIC, NY
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Kill Switch/Short 18 Mar 2023 16:10 #881728

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Fuses can be look okay from the outside view but can fail internal. They have to be continuity test with a multimeter!
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Kill Switch/Short 19 Mar 2023 05:44 #881750

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Thanks for the ideas.   I've been very fortunate that previous bikes (mostly Honda's) that I've tinkered with over the years have had very minimal electrical issues.  So,  I've never learned much about diagnosing the problems.  
1979 Kawasaki KZ650 SR

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Kill Switch/Short 19 Mar 2023 06:26 #881758

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Thanks for the ideas.   I've been very fortunate that previous bikes (mostly Honda's) that I've tinkered with over the years have had very minimal electrical issues.  So,  I've never learned much about diagnosing the problems.  
You find find the attached fault finding guide useful

www.kzrider.com/forum/forum-index/faq-wi...-fault-finding-guide
1982 KZ1000 Ltd
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