KennyJ Posted March 10, 2023 Report Share Posted March 10, 2023 i got a 98 gc8 here which has the oem ecu connector cut of , so i need a wire in now , would a Monsoon be the way to go ? wiring it up like factory so with the ecu hold power function enabled Quote Link to comment Share on other sites More sharing options...
dx4picco Posted March 10, 2023 Report Share Posted March 10, 2023 98 cars with solenoid IACV do not have/need hold power. 99-00 cars with stepper motor will need at least storm (which I run) Depending on what you need, even on a 98 car, you will quickly fall short of I/O on a monsoon Quote Link to comment Share on other sites More sharing options...
KennyJ Posted March 10, 2023 Author Report Share Posted March 10, 2023 i assume its a 99 as it has a stepper motor so 2 triggers , ect , iat , tps 4 injectors , 2 ignitions boostvalve tacho fan relay idle (4?? outputs) and ecu hold power (di + aux ?) map is onboard fuel pump is separate why shouldnt a Monsoon be enough ? Quote Link to comment Share on other sites More sharing options...
Adamw Posted March 11, 2023 Report Share Posted March 11, 2023 Monsoon doesnt have the hardware onboard to control a stepper motor. You could possibly change to a solenoid valve but it will still be pretty tight. As well as the IO you have already mentioned, a V5/V6 road car would usually have: high speed and low speed fan relays, AC clutch, CE Light, AC request, Fuel pump, PS switch, Speed input. Quote Link to comment Share on other sites More sharing options...
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