{"title":"OBS LS Swap Wiring","description":"\u003cp\u003eWiring harnesses and electrical components for LS engine swaps into 1988-1999 Chevy\/GMC OBS trucks. Shop the full \u003ca href=\"\/collections\/engine-performance-and-maintenance\"\u003eOBS Engine Swap Parts\u003c\/a\u003e collection.\u003c\/p\u003e","products":[{"product_id":"1973-1998-chevy-truck-drive-by-wire-throttle-pedal-bracket","title":"1973-1998 Chevy Truck Drive By Wire Throttle Pedal Bracket","description":"\u003cp\u003eIf you're putting an LS or LT swap into your Chevy\/GMC truck and need a way to mount a drive-by-wire throttle pedal, PSI has made it simple with this bracket kit. The mounting bracket and included hardware provide a clean, bolt-in, trouble-free installation using your truck's factory pedal mounting holes.\u003c\/p\u003e\u003ch3\u003eWhy You Need It\u003c\/h3\u003e\u003cp\u003eLate-model LS and Vortec engines (2007-up, Gen IV\/58x) as well as Gen V LT engines use an electronically actuated throttle body (drive-by-wire) versus the older traditional cable-actuated throttle assemblies. This conversion bracket is year and model specific, giving you a factory-look platform to neatly mount a GM Corvette-style DBW pedal in place of your old cable pedal.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1973-1998 Chevy\/GMC C10, Silverado, Blazer, Suburban (Squarebody \u0026amp; OBS\/GMT400 trucks)\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePedal mounting bracket\u003c\/li\u003e\n\u003cli\u003eMounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Pedal is sold separately — pair this bracket with our \u003cstrong\u003eACC-1007 Gen 4 \u0026amp; 5 \u0026amp; Holley LS2\/LS3 Accelerator Pedal\u003c\/strong\u003e to bolt a Corvette-style DBW pedal directly into your factory pedal location.\u003c\/p\u003e\u003cp\u003eSourced through PSI Conversion.\u003c\/p\u003e","brand":"PSI Conversion","offers":[{"title":"Default Title","offer_id":58568652357792,"sku":"BRK-7398","price":65.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/b878f7db733c02f274e3ff7741f92837.jpg?v=1785639316"},{"product_id":"gen-3-c10-square-body-obs-swap-pedal-1997-2007-9-pin","title":"Gen 3 C10 Square Body \u0026 OBS Swap Pedal (1997-2007) 9 Pin","description":"\u003cp\u003e\u003cstrong\u003eTHE STOCK GM SUB-HARNESS WILL NOT WORK.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eDirect bolt-in C10, Squarebody, and OBS (1973-1998) drive-by-wire accelerator pedal with a 9-pin connector. If you're swapping a Gen 3 DBW harness into your 1973-1998 Chevy\/GMC Silverado-era truck, just bolt this pedal in and go — factory look and fitment.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDirect bolt-in for C10s with throttle cables, Squarebody, and OBS\/GMT400 CK trucks\u003c\/li\u003e\n\u003cli\u003eFits with minor modification into GM A-body cars with throttle cables (Chevelle, Monte Carlo, Malibu, GTO, Cutlass, etc.)\u003c\/li\u003e\n\u003cli\u003eDesigned for use with PSI engine harnesses HAR-1014, HAR-1015, HAR-1016, HAR-1017, HAR-1056, HAR-1057, HAR-1030, HAR-1084, HAR-1085\u003c\/li\u003e\n\u003cli\u003ePairs with HAR-1022-C10 (Silver Back 03-07 TAC harness, Blue\/Green PCM-1005) and TAC module ACC-1011, or HAR-1022 (Blue\/Red PCM-1003) and TAC module ACC-1010\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIf using with a Holley Terminator X Max, an adapter harness must be used\u003c\/li\u003e\n\u003cli\u003e9-pin connector, Gen 3 DBW applications only\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSourced through PSI Conversion.\u003c\/p\u003e","brand":"PSI Conversion","offers":[{"title":"Default Title","offer_id":58568652488864,"sku":"ACC-1049","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/b878f7db733c02f274e3ff7741f92837_3e6249c2-b7c1-4e08-8342-4c23d2176e32.jpg?v=1785639360"},{"product_id":"gen-4-5-holley-ls2-ls3-accelerator-pedal-2007-current","title":"Gen 4 \u0026 5 \u0026 Holley LS2\/LS3 Accelerator Pedal (2007-Current)","description":"\u003cp\u003e\u003cstrong\u003eAPPLICATION:\u003c\/strong\u003e 2007-Current LS and Vortec engine conversions with 58x (Gen IV) engines, and Gen V LT\/Holley conversions.\u003c\/p\u003e\u003cp\u003eThis pedal is for use with all PSI engine harnesses designed for 58x engine applications and is the most popular option for Gen IV LS, Gen V LT, and Holley EFI system swaps.\u003c\/p\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eThe CTS-V, Corvette, and Camaro accelerator pedals are all interchangeable with each other\u003c\/li\u003e\n\u003cli\u003eCompatible with PSI E40 harnesses as well as Holley EFI systems\u003c\/li\u003e\n\u003cli\u003eWorks with all PSI 58x-application harnesses\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompanion Product\u003c\/h3\u003e\u003cp\u003eSwapping into an older 1973-1998 Squarebody or OBS truck? Pair this pedal with our \u003cstrong\u003eBRK-7398 Drive By Wire Throttle Pedal Bracket\u003c\/strong\u003e to bolt this Corvette-style pedal directly into your factory pedal location.\u003c\/p\u003e\u003cp\u003eThis pedal supports both LS (Gen IV) and LT (Gen V) swaps.\u003c\/p\u003e\u003cp\u003eSourced through PSI Conversion.\u003c\/p\u003e","brand":"PSI Conversion","offers":[{"title":"Default Title","offer_id":58568652521632,"sku":"ACC-1007","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/b878f7db733c02f274e3ff7741f92837_65b4b50e-b943-41c9-beda-e6934f13f152.jpg?v=1785639370"},{"product_id":"gen-3-ls2-ls3-throttle-body-wiring-adapter-8-pin-to-6-pin","title":"Gen 3 LS2\/LS3 Throttle Body Wiring Adapter (8-pin to 6-pin)","description":"\u003cp\u003e\u003cstrong\u003eAPPLICATION:\u003c\/strong\u003e Gen 3 LS silver\/gold-blade 90mm throttle body, or aftermarket 6-pin throttle body.\u003c\/p\u003e\u003cp\u003eThis X-Link throttle body adapter harness allows you to replace the factory 78mm 8-pin throttle body with a factory 90mm or aftermarket 6-pin throttle body — without modifying your engine harness. Maintains full use of your current TAC module and pedal.\u003c\/p\u003e\u003ch3\u003eCompatible Superchargers\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMagnuson\u003c\/li\u003e\n\u003cli\u003eEaton TVS\u003c\/li\u003e\n\u003cli\u003eKenne Bell\u003c\/li\u003e\n\u003cli\u003eWhipple\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHarness length: 10 inches\u003c\/li\u003e\n\u003cli\u003e8-pin to 6-pin throttle body adapter\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSourced through PSI Conversion.\u003c\/p\u003e","brand":"PSI Conversion","offers":[{"title":"Default Title","offer_id":58568652554400,"sku":"ACC-1053","price":349.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/b878f7db733c02f274e3ff7741f92837_b0670bee-ac42-4a8c-ad39-2c9edf61f7e4.jpg?v=1785639383"},{"product_id":"gen-3-ls-vortec-coil-sub-harness","title":"Gen 3 LS\/Vortec Coil Sub-Harness","description":"\u003cp\u003e\u003cstrong\u003eAPPLICATION:\u003c\/strong\u003e Gen 3 (1999-2004) LS\/Vortec coil packs.\u003c\/p\u003e\u003cp\u003eDirect replacement for the factory coil-tie sub-harness that connects your coil packs together and ties into the standalone engine harness. Plug-and-play, no harness modification required.\u003c\/p\u003e\u003ch3\u003eConstruction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGM Delphi connectors\u003c\/li\u003e\n\u003cli\u003eHigh-temp TXL wire, GM-spec\u003c\/li\u003e\n\u003cli\u003e100% quality tested\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Vehicles\/Engines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCadillac CTS (2004-2005)\u003c\/li\u003e\n\u003cli\u003eCamaro (1998-2002)\u003c\/li\u003e\n\u003cli\u003eCorvette (1997-2004)\u003c\/li\u003e\n\u003cli\u003eAvalanche 2500 (2002)\u003c\/li\u003e\n\u003cli\u003eVarious HD trucks (2001-2003)\u003c\/li\u003e\n\u003cli\u003eFirebird (1998-2002)\u003c\/li\u003e\n\u003cli\u003eGTO (2004)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eNote: This is a distinct, application-specific SKU — see our \u003cstrong\u003eHAR-1052 Gen 3\/4 LS\/Vortec Coil Sub-Harness\u003c\/strong\u003e for the later 2005-2016 coil style.\u003c\/p\u003e\u003cp\u003eSourced through PSI Conversion.\u003c\/p\u003e","brand":"PSI Conversion","offers":[{"title":"Default Title","offer_id":58568652587168,"sku":"HAR-1050","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/HAR-1050-1.jpg?v=1785649558"},{"product_id":"gen-3-4-ls-vortec-coil-sub-harness","title":"Gen 3\/4 LS\/Vortec Coil Sub-Harness","description":"\u003cp\u003e\u003cstrong\u003eAPPLICATION:\u003c\/strong\u003e Gen 3\/4 (2005-2016) LS\/Vortec coil sub-harness.\u003c\/p\u003e\u003cp\u003eDirect replacement for the coil pack harness that ties all coils together and attaches to the standalone engine harness. Plug-and-play, no harness modification required. Sold individually.\u003c\/p\u003e\u003ch3\u003eConstruction\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGM Delphi connectors\u003c\/li\u003e\n\u003cli\u003eHigh-temp TXL wire\u003c\/li\u003e\n\u003cli\u003e100% quality tested\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatible Vehicles\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eCadillac CTS (06-07, 09-15)\u003c\/li\u003e\n\u003cli\u003eCadillac Escalade \/ ESV \/ EXT (07-16)\u003c\/li\u003e\n\u003cli\u003eChevrolet Avalanche (07-13)\u003c\/li\u003e\n\u003cli\u003eChevrolet Camaro (10-15)\u003c\/li\u003e\n\u003cli\u003eChevrolet Caprice (11-13)\u003c\/li\u003e\n\u003cli\u003eChevrolet Corvette (05-13)\u003c\/li\u003e\n\u003cli\u003eChevrolet Express 1500\/2500\/3500 (08-14)\u003c\/li\u003e\n\u003cli\u003eChevrolet SSR (05-06)\u003c\/li\u003e\n\u003cli\u003eChevrolet Silverado 1500 (07-13), 2500 (07-09), 2500 HD (08-16), 3500 (08-09)\u003c\/li\u003e\n\u003cli\u003eChevrolet Suburban 1500 (07-14), 2500 (07-13)\u003c\/li\u003e\n\u003cli\u003eChevrolet Tahoe (07-15)\u003c\/li\u003e\n\u003cli\u003eChevrolet Trailblazer (06-09)\u003c\/li\u003e\n\u003cli\u003eGMC Envoy (05-09)\u003c\/li\u003e\n\u003cli\u003eGMC Savana 1500\/2500\/3500 (08-15)\u003c\/li\u003e\n\u003cli\u003eGMC Sierra (07-13), 1500 (07-15), 2500 HD (08-16), 3500 HD (08-15)\u003c\/li\u003e\n\u003cli\u003eGMC Yukon (07-13), Yukon XL 1500\/2500 (07-13)\u003c\/li\u003e\n\u003cli\u003eHummer H2 (08-09)\u003c\/li\u003e\n\u003cli\u003ePontiac G8 (08-09), GTO (05-06)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSourced through PSI Conversion.\u003c\/p\u003e","brand":"PSI Conversion","offers":[{"title":"Default Title","offer_id":58568652652704,"sku":"HAR-1052","price":74.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/b878f7db733c02f274e3ff7741f92837_956e6fbd-8fb5-4015-b681-8075135debfb.jpg?v=1785639415"},{"product_id":"ls-vortec-coil-extension-harness","title":"LS\/Vortec Coil Extension Harness","description":"\u003cp\u003e\u003cstrong\u003eAPPLICATION:\u003c\/strong\u003e 1997-2014 LS\/Vortec coil packs.\u003c\/p\u003e\u003cp\u003eSingle coil pack extension harness, ideal for relocating coils to the firewall when running custom valve covers on your LS\/Vortec engine. Plug-and-play — connects between the coil sub-harness and coil with no harness modification required.\u003c\/p\u003e\u003ch3\u003eSpecs\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLength: 36 inches\u003c\/li\u003e\n\u003cli\u003eGM Delphi connectors\u003c\/li\u003e\n\u003cli\u003eHigh-temp TXL wire\u003c\/li\u003e\n\u003cli\u003e100% quality tested\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eSourced through PSI Conversion.\u003c\/p\u003e","brand":"PSI Conversion","offers":[{"title":"Default Title","offer_id":58568652718240,"sku":"HAR-1049","price":49.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/b878f7db733c02f274e3ff7741f92837_bbd9669d-4af0-4d50-a724-cf588bf388a3.jpg?v=1785639429"},{"product_id":"single-fan-relay-kit","title":"Single Fan Relay Kit","description":"\u003cp\u003e\u003cstrong\u003eAPPLICATION:\u003c\/strong\u003e All electric fans (1 kit required per fan).\u003c\/p\u003e\u003cp\u003eThe Fan Relay Kit is all you need to get your electric fan running on your LS\/LT swap. Includes a high-quality sealed 40-amp relay, a sealed fuse holder with fuse, a sealed fan connector plus a second connector, and terminals to install on your fan if the kit doesn't plug directly in.\u003c\/p\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSealed 40A relay (Delphi component)\u003c\/li\u003e\n\u003cli\u003eFused power lead with sealed fuse holder\u003c\/li\u003e\n\u003cli\u003eSealed fan connector plus second connector\u003c\/li\u003e\n\u003cli\u003eCrimp terminals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstall Notes\u003c\/h3\u003e\u003cp\u003eSupply power to the fused lead and relay from your battery, use your LS harness fan control output to switch the ground trigger on the kit, and plug your fans in. Built from GM Delphi connectors and TXL high-temp wire to GM specifications.\u003c\/p\u003e\u003cp\u003eSourced through PSI Conversion.\u003c\/p\u003e","brand":"PSI Conversion","offers":[{"title":"Default Title","offer_id":58568652751008,"sku":"KIT-1010","price":49.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0654\/9720\/2848\/files\/b878f7db733c02f274e3ff7741f92837_ef967eac-9a16-4087-9ab3-520c79ced51a.jpg?v=1785639440"},{"product_id":"99-07-gen-3-ls-vortec-24x-engine-controller-kit-drive-by-cable-w-4l60e-75-4l80e","title":"99-07 Gen 3 LS\/Vortec (24X) Engine Controller Kit — Drive By Cable w\/ 4L60E-75\/4L80E","description":"\u003ch2\u003e99-07 Gen 3 LS\/Vortec (24X) Engine Controller Kit — Drive By Cable w\/ 4L60E-75\/4L80E\u003c\/h2\u003e\u003cp\u003eComplete plug-and-play standalone engine and transmission wiring harness kit for 1999-2007 Gen III 24X LS\/Vortec engine swaps, configured for Drive By Cable (DBC) throttle with 4L60E-75 or 4L80E automatic transmission control.\u003c\/p\u003e\u003ch3\u003eApplication \/ Compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e1999-2007 Gen III 24X Chevrolet, GMC, Cadillac, and Hummer vehicles\u003c\/li\u003e\n\u003cli\u003eDrive By Cable (DBC) only\u003c\/li\u003e\n\u003cli\u003eTransmission: 4L60E\/65E\/70E or 4L80E automatic\u003c\/li\u003e\n\u003cli\u003eCompatible engines: LS1, LS2, LS6 (Corvette C5\/C6, Camaro, Firebird, GTO, CTS-V) and Vortec 4.8L\/5.3L\/5.7L\/6.0L (Silverado, Sierra, Suburban, Tahoe, Yukon, Yukon XL, Escalade, Avalanche)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eComplete engine + transmission standalone wiring harness\u003c\/li\u003e\n\u003cli\u003eMAF sensor (ACC-1015)\u003c\/li\u003e\n\u003cli\u003e2x upstream O2 sensors (ACC-1036)\u003c\/li\u003e\n\u003cli\u003eTCC brake switch kit (KIT-1002)\u003c\/li\u003e\n\u003cli\u003eTuned PCM with mounting bracket\u003c\/li\u003e\n\u003cli\u003eInstruction manual\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eBuild Your Kit\u003c\/h3\u003e\u003cp\u003eChoose your transmission, wire loom finish, and MAP sensor\/intake manifold type from the options below. Pricing updates automatically based on your selections.\u003c\/p\u003e\u003ch3\u003eIMPORTANT: Info We Need Before This Ships\u003c\/h3\u003e\u003cp\u003eThis harness is built and tuned to your specific combination. After you place your order, please provide the following in your order\/cart notes (or reply to our confirmation email) so we can finalize your base tune before the harness ships:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInjector type and flow rate (Multec, EV1, or EV6)\u003c\/li\u003e\n\u003cli\u003eEngine size (4.8 \/ 5.3 \/ 5.7 \/ 6.0 \/ 6.2 \/ 6.2 LS376-480 \/ 6.2 LS376-495 \/ 6.2 LS376-525 \/ 7.0)\u003c\/li\u003e\n\u003cli\u003eEngine year and the vehicle\/model it's going into\u003c\/li\u003e\n\u003cli\u003eTire size\u003c\/li\u003e\n\u003cli\u003eRear gear ratio (2.73 through 4.56+) — \u003cstrong\u003eif you're unsure, your order will not ship until this is confirmed; tuning requires this information.\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003ePSI will follow up with you before your harness ships to confirm these specs and finalize your base tune.\u003c\/p\u003e\u003ch3\u003eTuning Disclaimer\u003c\/h3\u003e\u003cp\u003eThe installed tune is a base\/startup tune. It will remove VATS, bypass VVT (if applicable), and disable DOD (if applicable). \u003cstrong\u003eAny engine or transmission modifications will REQUIRE a custom tune.\u003c\/strong\u003e\u003c\/p\u003e\u003ch3\u003eFrequently Paired With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFuel filter\/pressure regulator (e.g. Corvette Fuel Filter\/Regulator, ACC-1028)\u003c\/li\u003e\n\u003cli\u003eO2 sensor extension harness\u003c\/li\u003e\n\u003cli\u003eThrottle cable\u003c\/li\u003e\n\u003cli\u003eDakota Digital OBD2 interface\u003c\/li\u003e\n\u003cli\u003eSingle Fan Relay Kit (KIT-1010)\u003c\/li\u003e\n\u003cli\u003eFuel line kit — see our OBS Fuel System Swap collection\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eAlso see our Gen 3 DBC add-on options: Fuse Block Mounting Bracket, A\/C Idle-Up Recognition Wiring, Drive By Cable Cruise Control Wiring, 4WD Signal Wire, E85 Flex Fuel Signal Wire, and Engine-to-Chassis Ground Strap Kit.\u003c\/p\u003e\u003cp\u003eSourced through PSI 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