{"id":31797,"date":"2016-06-03T10:11:37","date_gmt":"2016-06-03T15:11:37","guid":{"rendered":"http:\/\/www.freeautomechanic.com\/mechanic\/forum\/?p=31797"},"modified":"2016-06-03T10:11:37","modified_gmt":"2016-06-03T15:11:37","slug":"interior-lighting-2008-gmc-sierra","status":"publish","type":"post","link":"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/06\/interior-lighting-2008-gmc-sierra","title":{"rendered":"Interior Lighting 2008 GMC Sierra"},"content":{"rendered":"<p><img decoding=\"async\" class=\"aligncenter size-full wp-image-34210\" src=\"\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/2008-gmc-sierra.jpg\" alt=\"2008 GMC Sierra\" width=\"600\" height=\"337\" srcset=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/2008-gmc-sierra.jpg 600w, https:\/\/www.freeautomechanic.com\/mechanic\/forum\/wp-content\/uploads\/2016\/02\/2008-gmc-sierra-300x169.jpg 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/>Interior lights will not come on when opening the door on driver&#8217;s side. The other doors work properly. What is wrong with the interior lighting?<\/p>\n<hr \/>\n<p>RESPONSE<\/p>\n<p>Most likely reason would be the driver&#8217;s door latch assembly is faulty and or the <a href=\"\/\/www.freeautomechanic.com\/wiring-harness.html\">wiring harness<\/a> or connection at the door latch.<\/p>\n<h3><span class=\"search_highlight\">Courtesy<\/span>\/Illuminated Entry <span class=\"search_highlight\">Lamps<\/span><\/h3>\n<div id=\"section_comment_2\" class=\"section_comments\">\u00a0The <span class=\"search_highlight\">courtesy<\/span>\/illuminated entry <span class=\"search_highlight\">lamps<\/span>, may be manually turned ON or OFF by placing the interior lamp switch in the ON or OFF position. If an outside door handle is lifted and a door is opened, the <span class=\"search_highlight\">courtesy<\/span>\/illuminated entry <span class=\"search_highlight\">lamps<\/span> illuminate. After all the doors have been closed the <span class=\"search_highlight\">courtesy<\/span>\/illuminated entry <span class=\"search_highlight\">lamps<\/span> will remain illuminated approximately 15\u00a0seconds. The body control module (BCM) will then turn them OFF through the theater dimming feature. The <span class=\"search_highlight\">courtesy<\/span>\/illuminated entry <span class=\"search_highlight\">lamps<\/span> will also turn ON prior to any door being opened, and remain illuminated approximately 40\u00a0seconds when the driver removes the ignition key. When the driver places the dome lamp defeat switch in the OFF position, the <span class=\"search_highlight\">courtesy<\/span>\/illuminated entry <span class=\"search_highlight\">lamps<\/span> will be disabled.<\/div>\n<p>The BCM and the door modules communicate through the GMLAN serial data circuit for the lamp illumination commands of the door switch signals. The left and right rear door latch switches are both on one circuit that is also an input to the BCM.<\/p>\n<p>The left and right front door <span class=\"search_highlight\">courtesy<\/span> <span class=\"search_highlight\">lamps<\/span> (if equipped) receive voltage and ground from the driver door switch and the passenger door switch respectively. The remaining <span class=\"search_highlight\">courtesy<\/span> <span class=\"search_highlight\">lamps<\/span> are controlled and receive voltage from the BCM. Voltage for the <span class=\"search_highlight\">courtesy<\/span> lamp supply voltage circuit is from the INT LTS fuse in the instrument panel fuse block.<\/p>\n<h2>2008 GMC Sierra interior lighting wiring diagram<\/h2>\n<!-- PDF Embedder: Embedding \/securepdfs\/ PDFs requires PDF Embedder Pro. -->\n","protected":false},"excerpt":{"rendered":"<p>Interior lights will not come on when opening the door on driver&#8217;s side. The other doors work properly. What is wrong with the interior lighting? RESPONSE Most likely reason would be the driver&#8217;s door latch assembly is faulty and or the wiring harness or connection at the door latch. Courtesy\/Illuminated Entry Lamps \u00a0The courtesy\/illuminated entry&hellip;&nbsp;<a href=\"https:\/\/www.freeautomechanic.com\/mechanic\/forum\/2016\/06\/interior-lighting-2008-gmc-sierra\" rel=\"bookmark\">Read More &raquo;<span class=\"screen-reader-text\">Interior Lighting 2008 GMC Sierra<\/span><\/a><\/p>\n","protected":false},"author":12767,"featured_media":0,"comment_status":"open","ping_status":"closed","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":[1,22],"tags":[512],"class_list":["post-31797","post","type-post","status-publish","format-standard","hentry","category-auto-repair-questions","category-gmc","tag-sierra"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v23.0 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Interior Lighting 2008 GMC Sierra - FreeAutoMechanic Advice<\/title>\n<meta name=\"description\" content=\"Interior lights will not come on when opening the door on driver&#039;s side. 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