{"id":2052,"date":"2026-02-19T20:05:11","date_gmt":"2026-02-20T01:05:11","guid":{"rendered":"https:\/\/www.kornequipped.com\/blog\/?p=2052"},"modified":"2026-02-19T20:05:11","modified_gmt":"2026-02-20T01:05:11","slug":"simple-coil-on-plug-tester","status":"publish","type":"post","link":"https:\/\/www.kornequipped.com\/blog\/?p=2052","title":{"rendered":"Simple Coil on Plug Tester"},"content":{"rendered":"\n<p>I had an extra crank sensor so I made a quickie COP tester<\/p>\n\n\n\n<p>Just 3D printed a cap with a phono jack on top<\/p>\n\n\n\n<p>I would have used a BNC but was too lazy to go to the workroom to get one&#8230;.<\/p>\n\n\n\n<p> <\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"355\" data-id=\"2053\" src=\"https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3051-1024x355.jpeg\" alt=\"\" class=\"wp-image-2053\" srcset=\"https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3051-1024x355.jpeg 1024w, https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3051-300x104.jpeg 300w, https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3051-768x266.jpeg 768w, https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3051-1536x532.jpeg 1536w, https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3051-2048x709.jpeg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<p>It&#8217;s a press fit and the O-ring holds it together&#8230;.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"320\" src=\"https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3052-1024x320.jpeg\" alt=\"\" class=\"wp-image-2054\" srcset=\"https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3052-1024x320.jpeg 1024w, https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3052-300x94.jpeg 300w, https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3052-768x240.jpeg 768w, https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3052-1536x479.jpeg 1536w, https:\/\/www.kornequipped.com\/blog\/wp-content\/uploads\/2026\/02\/IMG_3052.jpeg 1807w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>I had an extra crank sensor so I made a quickie COP tester Just 3D printed a cap with a phono jack on top I would have used a BNC but was too lazy to go to the workroom to get one&#8230;. It&#8217;s a press fit and the O-ring holds it together&#8230;.<\/p>\n","protected":false},"author":1,"featured_media":2054,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3,7,39,17],"tags":[],"class_list":["post-2052","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-3d-printing","category-automotive","category-the-garage","category-tools"],"_links":{"self":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2052","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2052"}],"version-history":[{"count":1,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2052\/revisions"}],"predecessor-version":[{"id":2055,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/2052\/revisions\/2055"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=\/wp\/v2\/media\/2054"}],"wp:attachment":[{"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2052"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2052"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kornequipped.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2052"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}