{"id":1600,"date":"2026-09-21T21:44:30","date_gmt":"2026-09-21T21:44:30","guid":{"rendered":"https:\/\/terraforge4x4.com\/?post_type=product&#038;p=1600"},"modified":"2026-10-29T20:04:08","modified_gmt":"2026-10-29T20:04:08","slug":"2-leads-h4-led-headlight-brightness-intensifier-wiring-harness-9003-headlight-relay-harness-kit-with-fuse-for-5x7-7x6-h6054-6054-headlight","status":"publish","type":"product","link":"https:\/\/terraforge4x4.com\/nl\/product\/2-leads-h4-led-headlight-brightness-intensifier-wiring-harness-9003-headlight-relay-harness-kit-with-fuse-for-5x7-7x6-h6054-6054-headlight\/","title":{"rendered":"2 Leads H4 LED Headlight Brightness Intensifier Wiring Harness, 9003 Headlight Relay Harness Kit with Fuse for 5&#215;7 7&#215;6 H6054 6054 Headlight"},"content":{"rendered":"<p><strong>Specification:<\/strong><br \/> Working voltage: 12V Rated current: 80A Box Size: 17.6*11.3*7.6 cm Fitment: H4\/9003 conversions, H6054\/6054\/7&#215;6\/5&#215;7\/4&#215;6 headlights means any vehicle that uses H4 headlights, fit for Jeep Wrangler YJ Cherokee XJ truck, Toyota pickup, etc. <\/p>\n<p><strong>Features:<\/strong><br \/> Swapping out old headlights (9003 H6054 H5054 H6054LL 6014 6052 6053) for LEDs on negative switched vehicles like Toyota, Subaru, Mitsubishi, or Suzuki, is not a simple job. But with our plug-n-play conversion harness, it can be! H4 headlight relay harness to improve the vehicle headlight brightness by 30%-50%, just like the new headlight. Designed to fix the problem of dimming, flicking, back-feeding power and malfunctioning headlights. Easy Conversion. Save time and money by utilizing this wiring harness to convert a ground switched headlight system (2 toggled grounds + 1 constant hot) to a positive switched headlight system (2 toggled hots + 1 constant ground) Equipped with two durable relays, high-temperature ceramic headlight sockets, and heat-resistant polycarbonate wire loom. This harness is built to last. Just plug and play, directly insert the relay, convenient and quick, save your time, effort and money. A conversion harness that takes only minutes to install and works every time The beauty of this conversion harness is that you don&#8217;t need to cut it into your stock wiring harness. This dramatically reduces the install time, and if you need to, even makes the process completely reversible. <\/p>\n<p><strong>Packing included:<\/strong><br \/> 1 x H4 LED Headlight Wiring Harness<\/p>\n<p><strong>Road-use notice:<\/strong> For off-road use unless applicable road approval is explicitly documented. Always check the regulations in your country before installation and use on public roads.<\/p>","protected":false},"excerpt":{"rendered":"<p>2 Leads H4 LED Headlight Brightness Intensifier Wiring Harness, 9003 Headlight Relay Harness Kit with Fuse for 5&#215;7 7&#215;6 H6054 6054 Headlight<\/p>\n<p class=\"tf-auxbeam-sku\"><strong>Auxbeam SKU:<\/strong> QP007737<\/p>","protected":false},"featured_media":1598,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[],"product_cat":[36],"product_tag":[],"class_list":["post-1600","product","type-product","status-publish","has-post-thumbnail","product_cat-led-driving-lights","first","outofstock","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/product\/1600","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/comments?post=1600"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/media\/1598"}],"wp:attachment":[{"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/media?parent=1600"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/product_brand?post=1600"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/product_cat?post=1600"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/terraforge4x4.com\/nl\/wp-json\/wp\/v2\/product_tag?post=1600"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}