I bought a new gadget. It's a non-invasive spark tester, simply lay the end on a spark plug wire and a light in the shank flashes with every current surge (spark). It indicates the complete ignition function from source to plug, one plug at a time if you like or all of them by sensing the center coil wire. If there's no spark at the plug, no current flows and therefore no indicating light illuminates. You don't need to disconnect anything.
It's a yes or no tester, does not indicate spark quality. For quick troubleshooting it's pretty cool. They can be had at a variety of places, Home Depot online included for around $8. I got mine on ebay for $3.75
It's a yes or no tester, does not indicate spark quality. For quick troubleshooting it's pretty cool. They can be had at a variety of places, Home Depot online included for around $8. I got mine on ebay for $3.75
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