1.0ETAC Service & Supply Inc.https://etac.ca/esWaterproof Tachometer Hour Meter 25000RPM For Marine Engine Spark Plug Wire - ETAC Service & Supply Inc.rich600338<blockquote class="wp-embedded-content" data-secret="u4hCvOy2gh"><a href="https://etac.ca/es/item/waterproof-tachometer-hour-meter-25000rp-7/">Waterproof Tachometer Hour Meter 25000RPM For Marine Engine Spark Plug Wire</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://etac.ca/es/item/waterproof-tachometer-hour-meter-25000rp-7/embed/#?secret=u4hCvOy2gh" width="600" height="338" title="«Waterproof Tachometer Hour Meter 25000RPM For Marine Engine Spark Plug Wire» — ETAC Service & Supply Inc." data-secret="u4hCvOy2gh" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script>
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</script>Installation: There Is No Battery Required-Connects To Spark Plug Wire, And The Direct Connection To The Spark Plug Is Achieved By Winding. Because The Engine Is Different, The Power Is Different, So The Number Of Winding Turns Is Not Fixed, You Can Try More.