{"title":"GP1800","description":"","products":[{"product_id":"yamaha-gp1800-2017-2022-main-harness-haltech-s2-copy","title":"Yamaha Gp1800 2017-2020 main harness, Haltech S2 - Gen2","description":"\u003cp\u003eThis harness completely replaces the OEM harness in the Yamaha WaveRunners GP1800 models from 2017-2020. We have perfected this design through years of racing and development. Completely waterproof when used as recommended and slim design packed with many features like:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlugs to a Haltech Nexus S2 latest generation programmable ECU\u003c\/li\u003e\n\u003cli\u003eBoost control solenoid output\u003c\/li\u003e\n\u003cli\u003eRide control (Reverse)\u003c\/li\u003e\n\u003cli\u003eTrim control\u003c\/li\u003e\n\u003cli\u003eAuxiliary fuel pump support\u003c\/li\u003e\n\u003cli\u003eBilge pump\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM 2021+ dash and Haltech dash\u003c\/li\u003e\n\u003cli\u003eNitrous solenoid control\u003c\/li\u003e\n\u003cli\u003eNitrous bottle pressure\u003c\/li\u003e\n\u003cli\u003eOil pressure\u003c\/li\u003e\n\u003cli\u003eOil temperature\u003c\/li\u003e\n\u003cli\u003eTunnel pressure monitoring via adapter harness \u003c\/li\u003e\n\u003cli\u003eRotary trim input\u003c\/li\u003e\n\u003cli\u003eAuxiliary switch input\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM DBW throttle body. Compatible with Bosch throttle body via adapter harness\u003c\/li\u003e\n\u003cli\u003eKnock sensor control\u003c\/li\u003e\n\u003cli\u003eFlex fuel sensor ready\u003c\/li\u003e\n\u003cli\u003eGPS input ready\u003c\/li\u003e\n\u003cli\u003eCan drive any type of injectors without any additional drivers.\u003c\/li\u003e\n\u003cli\u003eTraction control and torque management\u003c\/li\u003e\n\u003cli\u003eRolling launch\u003c\/li\u003e\n\u003cli\u003eCompatible with both Bosch and NTK wideband sensors\u003c\/li\u003e\n\u003cli\u003eAbility to change 4 boost maps and 2 throttle feel maps directly from the OEM dash by using the original cruise control feature.\u003c\/li\u003e\n\u003cli\u003e1 Year limited warranty against manufacturing defects.\u003c\/li\u003e\n\u003cli\u003eCAN bus expansion port for EGT or other Haltech accessories.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThese harnesses have been winning races since 2011 and are a tested product. They come completely sealed with the basic functionality but can be easily expanded using our plug and play adapter harnesses in order to connect to any sensors the end user requires.\u003c\/p\u003e\n\u003cp\u003eFull documentation and pinout is provided for easy troubleshooting as well as a complete catalog of every connector, contact and seal on our website.\u003c\/p\u003e\n\u003cp\u003eWe provide a base map with the purchase of every harness.\u003c\/p\u003e\n\u003cp\u003eFor applications that require additional functionality than what the base harness comes with, we recommend purchasing the correct adapter harnesses as well.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Karel Tuning","offers":[{"title":"Default Title","offer_id":50459498742081,"sku":"KT-HWM-01-01","price":2995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0782\/4705\/files\/IMG_3941.jpg?v=1748645085"},{"product_id":"yamaha-gp1800-2017-2022-main-harness-fueltech-ft550","title":"Yamaha Gp1800 2021+ main harness, Fueltech FT550","description":"\u003cp\u003eThis harness completely replaces the OEM harness, ECU and fuse panel in the Yamaha WaveRunners GP1800 models from 2021+ with the 8-pin reverse motor connector. We have perfected this design through years of racing and development. Completely waterproof when used as recommended and slim design packed with many features like:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlugs to a Fueltech FT550 latest generation programmable ECU\u003c\/li\u003e\n\u003cli\u003e4 primary injectors + 4 additional already in the harness (Used with our additional injector harness)\u003c\/li\u003e\n\u003cli\u003eBoost control solenoid output\u003c\/li\u003e\n\u003cli\u003eRide control (Reverse)\u003c\/li\u003e\n\u003cli\u003eTrim control\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBilge pump\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNitrous solenoid control\u003c\/li\u003e\n\u003cli\u003eNitrous bottle pressure\u003c\/li\u003e\n\u003cli\u003eOil pressure monitoring with adapter harness\u003c\/li\u003e\n\u003cli\u003eTunnel pressure monitoring via adapter harness \u003c\/li\u003e\n\u003cli\u003eCompatible with OEM DBW throttle body. Compatible with Bosch throttle body via adapter harness\u003c\/li\u003e\n\u003cli\u003eGPS input ready\u003c\/li\u003e\n\u003cli\u003eCompatible with high impedance injectors only\u003c\/li\u003e\n\u003cli\u003eConnects directly to a Nano wideband controller for use with LSU 4.2 sensor\u003c\/li\u003e\n\u003cli\u003e1 Year limited warranty against manufacturing defects.\u003c\/li\u003e\n\u003cli\u003eCAN bus expansion port for EGT or other Fueltech accessories.\u003c\/li\u003e\n\u003cli\u003eExternal waterproof crank signal resistor easily changed for ultra-high RPM engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOur harnesses have been winning races and setting records since 2011 and are a tested product. They come completely sealed with the basic functionality but can be easily expanded using our plug and play adapter harnesses in order to connect to any sensors the end user requires.\u003c\/p\u003e\n\u003cp\u003eFull documentation and pinout is provided for easy troubleshooting as well as a complete catalog of every connector, contact and seal on our website.\u003c\/p\u003e\n\u003cp\u003eWe provide a base map with the purchase of every harness.\u003c\/p\u003e\n\u003cp\u003eFor applications that require additional functionality than what the base harness comes with, we recommend purchasing the \u003cspan\u003ecorrect adapter harnesses as well.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(Does not include ECU and Nano Wideband, sold separately)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote: This harness completely eliminates the OEM display. Since the fuel level sensor is connected to the OEM display, it is up to the end user to reuse the fuel level connector and wire it up to our harness using the supplied connector pigtail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFull documentation can be downloaded \u003ca rel=\"noopener\" title=\"Harness documentation\" href=\"https:\/\/docs.google.com\/document\/d\/16MOOivcSn4mlUf9sRYECqjpQPsY0bGSwijOf4TYZA0s\/edit?usp=sharing\" target=\"_blank\"\u003eHERE\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Karel Tuning","offers":[{"title":"Default Title","offer_id":50506730864961,"sku":"HWM-02-10-XXX-B-XXXX","price":2995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0782\/4705\/files\/IMG_4678_33add99a-0b35-48e2-a00d-f072c129bd49.jpg?v=1749236685"},{"product_id":"yamaha-gp1800-2017-2020-main-harness-fueltech-ft550-copy","title":"Yamaha Gp1800 2017-2020 main harness, Fueltech FT550","description":"\u003cp\u003eThis harness completely replaces the OEM harness, ECU and fuse panel in the Yamaha WaveRunners GP1800 models from 2017-2020 with the 16-pin reverse motor connector. We have perfected this design through years of racing and development. Completely waterproof when used as recommended and slim design packed with many features like:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePlugs to a Fueltech FT550 latest generation programmable ECU\u003c\/li\u003e\n\u003cli\u003e4 primary injectors + 4 additional already in the harness (Used with our additional injector harness)\u003c\/li\u003e\n\u003cli\u003eBoost control solenoid output\u003c\/li\u003e\n\u003cli\u003eRide control (Reverse)\u003c\/li\u003e\n\u003cli\u003eTrim control\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eBilge pump\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003eNitrous solenoid control\u003c\/li\u003e\n\u003cli\u003eNitrous bottle pressure\u003c\/li\u003e\n\u003cli\u003eOil pressure monitoring with adapter harness\u003c\/li\u003e\n\u003cli\u003eTunnel pressure monitoring via adapter harness \u003c\/li\u003e\n\u003cli\u003eCompatible with OEM DBW throttle body. Compatible with Bosch throttle body via adapter harness\u003c\/li\u003e\n\u003cli\u003eGPS input ready\u003c\/li\u003e\n\u003cli\u003eCompatible with high impedance injectors only\u003c\/li\u003e\n\u003cli\u003eConnects directly to a Nano wideband controller for use with LSU 4.2 sensor\u003c\/li\u003e\n\u003cli\u003e1 Year limited warranty against manufacturing defects.\u003c\/li\u003e\n\u003cli\u003eCAN bus expansion port for EGT or other Fueltech accessories.\u003c\/li\u003e\n\u003cli\u003eExternal waterproof crank signal resistor easily changed for ultra-high RPM engines\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eOur harnesses have been winning races and setting records since 2011 and are a tested product. They come completely sealed with the basic functionality but can be easily expanded using our plug and play adapter harnesses in order to connect to any sensors the end user requires.\u003c\/p\u003e\n\u003cp\u003eFull documentation and pinout is provided for easy troubleshooting as well as a complete catalog of every connector, contact and seal on our website.\u003c\/p\u003e\n\u003cp\u003eWe provide a base map with the purchase of every harness.\u003c\/p\u003e\n\u003cp\u003eFor applications that require additional functionality than what the base harness comes with, we recommend purchasing the \u003cspan\u003ecorrect adapter harnesses as well.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e(Does not include ECU and Nano Wideband, sold separately)\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eNote: This harness completely eliminates the OEM display. Since the fuel level sensor is connected to the OEM display, it is up to the end user to reuse the fuel level connector and wire it up to our harness using the supplied connector pigtail.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFull documentation can be downloaded \u003ca href=\"https:\/\/docs.google.com\/document\/d\/1z1bvHkmW1tU24QLEsvjEL4aqk7zqdAYel0YTK0DANd4\/edit?usp=sharing\" target=\"_blank\" title=\"Harness documentation\" rel=\"noopener\"\u003eHERE\u003c\/a\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Karel Tuning","offers":[{"title":"Default Title","offer_id":51711346082113,"sku":"HWM-01-10-XXX-B-XXXX","price":2995.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0782\/4705\/files\/IMG_4678_33add99a-0b35-48e2-a00d-f072c129bd49.jpg?v=1749236685"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0668\/0782\/4705\/collections\/43734FCA-59A6-4D15-B70F-DC40696788FB.jpg?v=1780291079","url":"https:\/\/kareltuning.com\/collections\/gp1800.oembed","provider":"KarelTuning","version":"1.0","type":"link"}