{"title":"Chassis Wiring Harness","description":null,"products":[{"product_id":"55-57-chevy-wiring-harness-assembly","title":"27 Circuit Classic-Plus Customizable Chassis Harness","description":"This 27 circuit kit is designed to fit the 1955, 1956, and 1957 'Tri-Five Chevy' (150, 210, Nomad, and Bel Air) and includes additional circuits for power options and accessories. This harness features a factory location Painless mounting plate for the fuse block, front and rear lighting sockets, factory \u0026amp; aftermarket instrument cluster harnesses ,and dash \u0026amp; turn signal connectors.  This harness utilizes GM color-coded high-grade TXL wire with the circuit identification printed on it for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52358960742568,"sku":"DHDT_20105","price":605.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI20105.jpg?v=1745903204"},{"product_id":"23-circuit-harness-pro-series-truck-key-in","title":"23 Circuit Pro Series Harness","description":"The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ride right the first time!  Ample length is provided for each circuit, providing you the freedom to route and hide your wiring how you choose. Once you've got the harness fit how you like it, included are over 25 GM factory style connectors found on most ‘60s to early ‘90s GM switches, allowing you to turn the Pro Series harness into a direct fit harness for your application. LED ATC bladed fuses get you away from the old hard-to-find glass fuses, and will light up if blown making troubleshooting a painless task. The 6 gauge charge wire and midi fuse (no more problematic fusible link!) will keep up with today's high amperage alternators, and the provided front and rear ground harnesses making grounding your lighting circuits a breeze!  Provided with many GM connectors and terminal, insulated and non-insulated butt splices, heat shrink, grommets, cable ties, ground straps, and cable tie clips, the Pro Series brings a new meaning to truly Painless wiring and includes our lifetime guarantee.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359007010984,"sku":"DHDT_10406","price":598.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10406.jpg?v=1745903578"},{"product_id":"23-circuit-harness-pro-series-truck-gm-key","title":"23 Circuit Pro Series Harness","description":"The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ride right the first time!  Ample length is provided for each circuit, providing you the freedom to route and hide your wiring how you choose. Once you've got the harness fit how you like it, included are over 25 GM factory style connectors found on most ‘60s to early ‘90s GM switches, allowing you to turn the Pro Series harness into a direct fit harness for your application. LED ATC bladed fuses get you away from the old hard-to-find glass fuses, and will light up if blown making troubleshooting a painless task. The 6 gauge charge wire and midi fuse (no more problematic fusible link!) will keep up with today's high amperage alternators, and the provided front and rear ground harnesses making grounding your lighting circuits a breeze!  Provided with many GM connectors and terminal, insulated and non-insulated butt splices, heat shrink, grommets, cable ties, ground straps, and cable tie clips, the Pro Series brings a new meaning to truly Painless wiring and includes our lifetime guarantee.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359010451624,"sku":"DHDT_10405","price":584.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10405.jpg?v=1745903609"},{"product_id":"23-circuit-harness-pro-series-key-in-dash","title":"23 Circuit Pro Series Harness","description":"The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ride right the first time!  Ample length is provided for each circuit, providing you the freedom to route and hide your wiring how you choose. Once you've got the harness fit how you like it, included are over 25 GM factory style connectors found on most ‘60s to early ‘90s GM switches, allowing you to turn the Pro Series harness into a direct fit harness for your application. LED ATC bladed fuses get you away from the old hard-to-find glass fuses, and will light up if blown making troubleshooting a painless task. The 6 gauge charge wire and midi fuse (no more problematic fusible link!) will keep up with today's high amperage alternators, and the provided front and rear ground harnesses making grounding your lighting circuits a breeze!  Provided with many GM connectors and terminal, insulated and non-insulated butt splices, heat shrink, grommets, cable ties, ground straps, and cable tie clips, the Pro Series brings a new meaning to truly Painless wiring and includes our lifetime guarantee.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359014252712,"sku":"DHDT_10402","price":565.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10402.jpg?v=1745903640"},{"product_id":"23-circuit-harness-pro-series-gm-keyed-colum","title":"23 Circuit Pro Series Harness","description":"The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ride right the first time!  Ample length is provided for each circuit, providing you the freedom to route and hide your wiring how you choose. Once you've got the harness fit how you like it, included are over 25 GM factory style connectors found on most ‘60s to early ‘90s GM switches, allowing you to turn the Pro Series harness into a direct fit harness for your application. LED ATC bladed fuses get you away from the old hard-to-find glass fuses, and will light up if blown making troubleshooting a painless task. The 6 gauge charge wire and midi fuse (no more problematic fusible link!) will keep up with today's high amperage alternators, and the provided front and rear ground harnesses making grounding your lighting circuits a breeze!  Provided with many GM connectors and terminal, insulated and non-insulated butt splices, heat shrink, grommets, cable ties, ground straps, and cable tie clips, the Pro Series brings a new meaning to truly Painless wiring and includes our lifetime guarantee.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359016218792,"sku":"DHDT_10401","price":531.12,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10401.jpg?v=1745903656"},{"product_id":"25-circuit-harness-pro-series-key-in-dash","title":"25 Circuit Pro Series Harness","description":"The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ride right the first time!  Ample length is provided for each circuit, providing you the freedom to route and hide your wiring how you choose. Once you've got the harness fit how you like it, included are over 25 GM factory style connectors found on most ‘60s to early ‘90s GM switches, allowing you to turn the Pro Series harness into a direct fit harness for your application. LED ATC bladed fuses get you away from the old hard-to-find glass fuses, and will light up if blown making troubleshooting a painless task. The 6 gauge charge wire and midi fuse (no more problematic fusible link!) will keep up with today's high amperage alternators, and the provided front and rear ground harnesses making grounding your lighting circuits a breeze!  Provided with many GM connectors and terminal, insulated and non-insulated butt splices, heat shrink, grommets, cable ties, ground straps, and cable tie clips, the Pro Series brings a new meaning to truly Painless wiring and includes our lifetime guarantee. This harness features a GM Bulkhead style firewall pass through with the fuse block mounted inside the vehicle on the firewall, the exact same connector GM used on many vehicles from 1968-up. The wires are pre-terminated using Packard factory crimping machines and utilize a bulkhead to mount to and pass through the firewall, keeping your wiring safe and protected and allowing you to easily disconnect the firewall forward wiring without having to remove wiring from each individual component. Each wire is extra length with up to 20' of length to the front and over 25' to the rear providing ample length for mounting your fuse block and freedom to route the wiring how you choose. After trimming to fit, utilize the provided terminals \u0026amp; connectors to terminate the ends. This harness is pre-terminated GM Column Mounted Ignitions Switch Connector. allowing to simply plug into GM Keyed columns.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359021527208,"sku":"DHDT_10414","price":643.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10414.jpg?v=1745903701"},{"product_id":"25-circuit-harness-pro-series-truck-gm-key","title":"25 Circuit Pro Series Harness","description":"The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ride right the first time!  Ample length is provided for each circuit, providing you the freedom to route and hide your wiring how you choose. Once you've got the harness fit how you like it, included are over 25 GM factory style connectors found on most ‘60s to early ‘90s GM switches, allowing you to turn the Pro Series harness into a direct fit harness for your application. LED ATC bladed fuses get you away from the old hard-to-find glass fuses, and will light up if blown making troubleshooting a painless task. The 6 gauge charge wire and midi fuse (no more problematic fusible link!) will keep up with today's high amperage alternators, and the provided front and rear ground harnesses making grounding your lighting circuits a breeze!  Provided with many GM connectors and terminal, insulated and non-insulated butt splices, heat shrink, grommets, cable ties, ground straps, and cable tie clips, the Pro Series brings a new meaning to truly Painless wiring and includes our lifetime guarantee. This harness features a GM Bulkhead style firewall pass through with the fuse block mounted inside the vehicle on the firewall, the exact same connector GM used on many vehicles from 1968-up. The wires are pre-terminated using Packard factory crimping machines and utilize a bulkhead to mount to and pass through the firewall, keeping your wiring safe and protected and allowing you to easily disconnect the firewall forward wiring without having to remove wiring from each individual component. Each wire is extra length with up to 20' of length to the front and over 25' to the rear providing ample length for mounting your fuse block and freedom to route the wiring how you choose. After trimming to fit, utilize the provided terminals \u0026amp; connectors to terminate the ends. This harness is pre-terminated GM Column Mounted Ignitions Switch Connector. allowing to simply plug into GM Keyed columns.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359027261608,"sku":"DHDT_10415","price":604.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10415.jpg?v=1745903743"},{"product_id":"23-circuit-harness-pro-series-key-in-dash-1","title":"23 Circuit Pro Series Harness","description":"The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ride right the first time!  Ample length is provided for each circuit, providing you the freedom to route and hide your wiring how you choose. Once you've got the harness fit how you like it, included are over 25 GM factory style connectors found on most ‘60s to early ‘90s GM switches, allowing you to turn the Pro Series harness into a direct fit harness for your application. LED ATC bladed fuses get you away from the old hard-to-find glass fuses, and will light up if blown making troubleshooting a painless task. The 6 gauge charge wire and midi fuse (no more problematic fusible link!) will keep up with today's high amperage alternators, and the provided front and rear ground harnesses making grounding your lighting circuits a breeze!  Provided with many GM connectors and terminal, insulated and non-insulated butt splices, heat shrink, grommets, cable ties, ground straps, and cable tie clips, the Pro Series brings a new meaning to truly Painless wiring and includes our lifetime guarantee.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359029555368,"sku":"DHDT_10404","price":635.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10404.jpg?v=1745903766"},{"product_id":"23-circuit-harness-pro-series-gm-keyed-colum-1","title":"23 Circuit Pro Series Harness","description":"The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ride right the first time!  Ample length is provided for each circuit, providing you the freedom to route and hide your wiring how you choose. Once you've got the harness fit how you like it, included are over 25 GM factory style connectors found on most ‘60s to early ‘90s GM switches, allowing you to turn the Pro Series harness into a direct fit harness for your application. LED ATC bladed fuses get you away from the old hard-to-find glass fuses, and will light up if blown making troubleshooting a painless task. The 6 gauge charge wire and midi fuse (no more problematic fusible link!) will keep up with today's high amperage alternators, and the provided front and rear ground harnesses making grounding your lighting circuits a breeze!  Provided with many GM connectors and terminal, insulated and non-insulated butt splices, heat shrink, grommets, cable ties, ground straps, and cable tie clips, the Pro Series brings a new meaning to truly Painless wiring and includes our lifetime guarantee.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359032668328,"sku":"DHDT_10403","price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10403.jpg?v=1745903789"},{"product_id":"25-circuit-harness-pro-series-gm-keyed-colum-1","title":"25 Circuit Pro Series Harness","description":"The Painless Pro Series gives you everything you need to wire up your pro-touring or custom ride right the first time!  Ample length is provided for each circuit, providing you the freedom to route and hide your wiring how you choose. Once you've got the harness fit how you like it, included are over 25 GM factory style connectors found on most ‘60s to early ‘90s GM switches, allowing you to turn the Pro Series harness into a direct fit harness for your application. LED ATC bladed fuses get you away from the old hard-to-find glass fuses, and will light up if blown making troubleshooting a painless task. The 6 gauge charge wire and midi fuse (no more problematic fusible link!) will keep up with today's high amperage alternators, and the provided front and rear ground harnesses making grounding your lighting circuits a breeze!  Provided with many GM connectors and terminal, insulated and non-insulated butt splices, heat shrink, grommets, cable ties, ground straps, and cable tie clips, the Pro Series brings a new meaning to truly Painless wiring and includes our lifetime guarantee.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359037911208,"sku":"DHDT_10411","price":610.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10411.jpg?v=1745903837"},{"product_id":"10-circuit-race-car-wiring-harness","title":"10 Circuit Race Only Chassis Harness\/Switch Panel Kit","description":"Painless Performance 10-circuit race only harnesses feature relays for each fused circuit. Each wire is pneumatically terminated and pre-inserted into the fuse block and relay blocks. The fuse blocks are labeled and are designed to power any 12 volt electrical component. Each wire is oversized and custom printed with the circuit identification as well as using GM color codes for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359080149160,"sku":"DHDT_50005","price":529.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI50005.jpg?v=1745904196"},{"product_id":"21-circuit-drag-race-wiring-kit","title":"21 Circuit Pro Street Chassis Harness w\/Switch Panel","description":"If you are looking for a switch panel and harness to keep your racecar streetable, then these Painless performance 21-circuit harness and switch panel combos are for you. These harnesses include an optional connector if you want to use a GM column mounted ignition switch. The included switch panels are a roll bar\/dash mount 8 switch rocker panel. These panels are prewired and are a direct plug and play into this harness. Also Included is a painless mounting plate, grommets, terminal assortment kit, and the necessary connectors for your turn signal switch, headlights, and alternator. Each harness is custom printed with the circuit identification as well as using GM color codes for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359083557032,"sku":"DHDT_50003","price":559.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI50003.jpg?v=1745904226"},{"product_id":"10-circuit-race-harness","title":"10 Circuit Race Only Chassis Harness","description":"Painless Performance 10-circuit race only harnesses feature relays for each fused circuit. Each wire is pneumatically terminated and pre-inserted into the fuse block and relay blocks. The fuse blocks are labeled and are designed to power any 12 volt electrical component. Each wire is oversized and custom printed with the circuit identification as well as using GM color codes for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359090962600,"sku":"DHDT_50001","price":335.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI50001.jpg?v=1745904290"},{"product_id":"1967-77-ford-truck-chass-is-harness-21-circuit","title":"21 Circuit Direct Fit Harness","description":"Painless Performance 21-Circuit 1967-1977 direct fit Ford F-series harnesses are the perfect upgrade for your Ford truck. The harnesses use many of the factory connections and are already pre-terminated. Each harness features a unique covered micro-fuse block with a 20 amp auxiliary relay circuit for accessories such as fog lights, or an electric fuel pump. Each wire is custom printed with the circuit identification as well as using Ford color codes for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359101022376,"sku":"DHDT_10118","price":804.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10118.jpg?v=1745904378"},{"product_id":"1965-66-mustang-chassis-harness-22-circuits","title":"22 Circuit Direct Fit Chassis Harness","description":"Painless Performance 22-circuit direct fit 1965-66 Mustang chassis harness have many of the factory connectors already installed on the harnesses out of the box. These harnesses use unique covered micro-fuse blocks and also feature auxiliary circuits with a 20 amp relay for accessories such as fog lights, or an electric fuel pump. Each wire is custom printed with the circuit identification as well as using Ford color codes for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359155089576,"sku":"DHDT_20120","price":936.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI20120.jpg?v=1745904835"},{"product_id":"1969-camaro-wiring-harness-26-circuit","title":"26 Circuit Direct Fit Harness","description":"Painless Performance 26-circuit 1970-1973 direct fit Camaro harnesses have virtually every connector installed on the harness out of the box. These harnesses are split into three sections (engine, interior, \u0026amp; rear) and feature a fully integrated ground circuit. You'll find many upgrades in these harnesses such as a 6 gauge charge wire and a 150 amp midi fuse. Each kit includes a 150  page full color step by step manual that also covers many alternative wiring options. Each wire is custom printed with the circuit identification as well as using GM color codes for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359185498280,"sku":"DHDT_20202","price":1129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI20202.jpg?v=1745905103"},{"product_id":"1969-chevelle-wiring-harness-26-circuit","title":"26 Circuit Direct Fit Harness","description":"Painless Performance 26-circuit 1970-1973 direct fit Camaro harnesses have virtually every connector installed on the harness out of the box. These harnesses are split into three sections (engine, interior, \u0026amp; rear) and feature a fully integrated ground circuit. You'll find many upgrades in these harnesses such as a 6 gauge charge wire and a 150 amp midi fuse. Each kit includes a 150  page full color step by step manual that also covers many alternative wiring options. Each wire is custom printed with the circuit identification as well as using GM color codes for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359187792040,"sku":"DHDT_20129","price":961.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI20129.jpg?v=1745905124"},{"product_id":"1968-chevelle-wiring-harness-26-circuit","title":"26 Circuit Direct Fit Harness","description":"Painless Performance 26-circuit 1970-1973 direct fit Camaro harnesses have virtually every connector installed on the harness out of the box. These harnesses are split into three sections (engine, interior, \u0026amp; rear) and feature a fully integrated ground circuit. You'll find many upgrades in these harnesses such as a 6 gauge charge wire and a 150 amp midi fuse. Each kit includes a 150  page full color step by step manual that also covers many alternative wiring options. Each wire is custom printed with the circuit identification as well as using GM color codes for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359190184104,"sku":"DHDT_20128","price":969.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI20128.jpg?v=1745905144"},{"product_id":"73-87-gm-p-u-wiring-harness-27-circuit","title":"27 Circuit Classic-Plus Customizable Chassis Harness","description":"This 27 circuit 1973-1987 GMC\/Chevy Painless wiring harness was designed to fit the trucks, Blazers, and Suburban's, whether C10, C20, or C30. It features a factory style bulkhead connector, allowing for easy mounting of the fuse block in the factory location, and has many of the factory connectors already installed on the harness out of the box. Including connectors for: the headlight switch, dimmer switch, wiper motor, ignition switch, blower motor \u0026amp; switch, blower resistor, and instrument cluster. Each wire is custom printed with the circuit identification as well as using GM color codes for easy installation.  Wire your Square body once and wire it right with Painless!","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359196999848,"sku":"DHDT_20205","price":754.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI20205.jpg?v=1745905205"},{"product_id":"1967-68-mustang-chassis-harness-22-circuits","title":"22 Circuit Direct Fit Chassis Harness","description":"Painless Performance 22-circuit 1967-68 Mustang chassis harnesses have many of the factory connectors already installed on the harnesses out of the box. This harnesses use unique covered micro-fuse blocks and also feature an auxiliary circuit with 20 amp relay for accessories such as fog lights, or an electric fuel pump. Each wire is custom printed with the circuit identification as well as using Ford color codes for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359315652776,"sku":"DHDT_20121","price":803.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI20121.jpg?v=1745906135"},{"product_id":"mopar-muscle-car-chassis-harness-21-circuits","title":"21 Circuit Customizable Color Coded Chassis Harness","description":"Painless Performance 21-Circuit Mopar color coded universal wiring harnesses can be used in almost any application where you want Mopar color coded wires. These harnesses eliminate the troublesome bulkhead connector and use a unique covered micro-fuse block. Also featured is an auxiliary circuit with a 20 amp relay for accessories such as fog lights, or an electric fuel pump. Each wire is custom printed with the circuit identification for easy installation.","brand":"Painless Wiring","offers":[{"title":"Default Title","offer_id":52359321288872,"sku":"DHDT_10127","price":604.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0402\/2344\/1064\/files\/PWI10127.jpg?v=1745906177"}],"url":"https:\/\/www.truspeedperformance.com\/collections\/chassis-wiring-harness.oembed","provider":"TruSpeed Performance LLC","version":"1.0","type":"link"}