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Jeep Wrangler YJ
YJ General Discussion
93 YJ Howells EFI Kit Conversion and Factory ECM "No Check Engine Light"
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<blockquote data-quote="machoheadgames" data-source="post: 438267" data-attributes="member: 18789"><p>Unfortunately I couldn’t tell you why you keep burning through ECMs. Maybe something is shorting and frying them? </p><p></p><p>As for why the Howell kit won’t work, it’s designed to be out on a carbureted engine with a much much different wire harness than what you have. You could probably figure it out eventually but you’d probably have to rework a decent amount of the wiring in the Jeep to do so. </p><p></p><p>I’d start with trying to figure out why the ECMs are going bad. You can get the wiring diagrams from here and maybe try doing some continuity tests to make sure the circuits are all connected to where they are supposed to be and none of them are shorted to ground.</p></blockquote><p></p>
[QUOTE="machoheadgames, post: 438267, member: 18789"] Unfortunately I couldn’t tell you why you keep burning through ECMs. Maybe something is shorting and frying them? As for why the Howell kit won’t work, it’s designed to be out on a carbureted engine with a much much different wire harness than what you have. You could probably figure it out eventually but you’d probably have to rework a decent amount of the wiring in the Jeep to do so. I’d start with trying to figure out why the ECMs are going bad. You can get the wiring diagrams from here and maybe try doing some continuity tests to make sure the circuits are all connected to where they are supposed to be and none of them are shorted to ground. [/QUOTE]
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Jeep Wrangler YJ
YJ General Discussion
93 YJ Howells EFI Kit Conversion and Factory ECM "No Check Engine Light"
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