{"id":36338,"date":"2016-09-12T07:42:29","date_gmt":"2016-09-12T12:42:29","guid":{"rendered":"http:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=36338"},"modified":"2016-09-14T10:05:29","modified_gmt":"2016-09-14T15:05:29","slug":"lincoln-ls-2003-v8","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/09\/lincoln-ls-2003-v8","title":{"rendered":"Lincoln LS 2003 V8"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-36381\" src=\"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/09\/2003-lincoln-ls.jpg\" alt=\"2003 Lincoln LS\" width=\"600\" height=\"239\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/09\/2003-lincoln-ls.jpg 600w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/09\/2003-lincoln-ls-300x120.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>What controls the down shift on my Lincoln LS transmission?<\/p>\n<hr \/>\n<p>RESPONSE<\/p>\n<p>I would think the speed sensors and the <a href=\"\/\/www.freeautomechanic.com\/pcm-engine-computer.html\">PCM<\/a>. Let me take a look at the wiring diagram for the transmission. Yep, it would look like the PCM uses the input signals form different speed sensors. It also uses the signal form the throttle position sensor. Of course the selector switch for manual mode sends a signal tot eh PCM when activated. Here is the <a href=\"\/\/www.freeautomechanic.com\/wiringdiagrams.html\">wiring diagram<\/a> for you to look at for yourself.<\/p>\n\n\t\t<div id=\"wppdfemb-frame-container-0\" style=\"-webkit-overflow-scrolling:auto;\">\n\t\t\t<iframe src=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/?index=1&#038;pdfID=0&#038;pdfemb-serveurl=%2F%2Fwww.freeautomechanic.com%2Fmechanic%2Fforum%2Fwp-content%2Fuploads%2Fsecurepdfs%2F2016%2F09%2F2003-lincoln-ls-transmissions-a-t-circuit-1-of-1.pdf\"\n\t\t\t\tid=\"wppdf-emb-iframe-0\"\n\t\t\t\tdata-pdf-index=\"1\"\n\t\t\t\tclass=\"pdfembed-iframe nonfullscreen\"\n\t\t\t\tstyle=\"border:none;width:100%;max-width:500px;min-height:500px\"\n\t\t\t\tscrolling=\"yes\">\n\t\t\t<\/iframe>\n\t\t<\/div>\n\n\t\t\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>What controls the down shift on my Lincoln LS transmission? RESPONSE I would think the speed sensors and the PCM. Let me take a look at the wiring diagram for the transmission. Yep, it would look like the PCM uses the input signals form different speed sensors. It also uses the signal form the throttle&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/09\/lincoln-ls-2003-v8\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Lincoln LS 2003 V8<\/span><\/a><\/p>\n","protected":false},"author":13926,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","footnotes":""},"categories":[1,130],"tags":[7660,10913],"class_list":["post-36338","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-lincoln-auto-repair-questions","tag-ls","tag-transmission-wiring-diagram"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v27.6) - 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