GP1800 2018-2020 harness and accessories
Karel Tuning Sealing plug for tunnel pressure connector
Ensures the harness stays waterproof when not using a tunnel pressure sensor. Fits: Yamaha GP1800 series main harness Yamaha FX series main harness
$7.95
Karel Tuning Starter solenoid connector kit
Yamaha WaveRunner starter solenoid connector kit Fits all 1.8L Yamaha WaveRunner personal watercrafts (PWC) A complete kit contains: 1 connector G12 2 contacts B35 4 red seals A51 2 cavity plugs A52
$15.95
Karel Tuning Throttle body connector kit
Yamaha WaveRunner PWC throttle body connector kit. Engine harness side This connector kit is a replacement for the engine harness side connector that attaches the main harness to the throttle body sub-harness. A complete kit contains: 1 connector with lock G11 6 red seals A51 6 contacts B35
$17.95
Karel Tuning Trim connector
Trim connector, engine harness side. For Yamaha Waverunners with electronic trim. A complete kit contains 1 Connector N01 3 seals A53 3 contacts + 1 spare B36
$14.95
Karel Tuning Voltage regulator charging harness for Yamaha WaveRunner 18+
This harness connects to the voltage rectifier on Yamaha GP1800 and FX models 18+. It provides stable amperage and a clean installation. It works with our main harness and connects directly to the battery.
$45.95
Karel Tuning Yamaha accelerator pedal connector kit (New style)
Yamaha 1.8L waverunner accelerator position sensor (APS) connector kit for newer style GP1800 and other models. Fits all Yamaha waverunner models with the newer integral pedal position sensor on the steering wheel. A complete kit contains 1 APS Connector K12 9 seals A61 10 contacts B35
$19.95
Karel Tuning Yamaha Gp1800 2017-2022 main harness, Haltech S2
This harness completely replaces the OEM harness in the Yamaha WaveRunners GP1800 models from 2017-2022. 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: Plugs to a Haltech Nexus S2 latest generation programmable ECU Boost control solenoid output Ride control (Reverse) Trim control Auxiliary fuel pump support Bilge pump Compatible with OEM 2021+ dash and Haltech dash Nitrous solenoid control Nitrous bottle pressure Oil pressure Oil temperature Tunnel pressure monitoring via adapter harness Rotary trim input Auxiliary switch input Compatible with OEM DBW throttle body. Compatible with Bosch throttle body via adapter harness Knock sensor control Flex fuel sensor ready GPS input ready Compatible with low impedance injectors Traction control Rolling launch Compatible with both Bosch and NTK wideband sensors These 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. Full documentation and pinout is provided for easy troubleshooting as well as a complete catalog of every connector, contact and seal on our website. We provide a base map with the purchase of every harness. For applications that require additional functionality than what the base harness comes with, we recommend purchasing the correct harnesses from the list below: YAM-GP-REG-H-00 Voltage regulator charging harness for Yamaha WaveRunner 2018+. (This harness is required for any application that runs a 12V battery and OEM stator) HT-010726 Adapter harness for Bosch LSU 4.9 wideband sensor (Sensor sold separately) HT-010727 Adapter harness for NTK wideband sensor. (Sensor sold separately) YAM-GP-TUNNEL-H-3F 2ft sub-harness for tunnel pressure sensor (Sensor sold separately) YAM-GP-OILP-H 2.5ft harness for oil pressure monitoring (Sensor sold separately)
$2,995.00