Recent content by eoinr23

Thanks again,just trying to get a better understanding of the system.So as you engage the switch on the gear lever,current is sent to both the vaccum valves to engage the front axle and current is sent to the actuator to engage 4wd drive at the gearbox,is that basically the circuit? On my Hilux...

Hi fourwd1, Thanks for commenting. Yes it does have the ADD system on it as far as i am aware,although Im farely sure its an electrical control problem that Im having. Nothing seems to be getting the signal to engage and there is no lights on the dash illuminating to signal which 4wd selection...

Hi, Ive recently bought a Toyota Hilux surf ssrx,3.0TD automatic. I bought it with the 4wd not working,and have spent a little time going through it.There is power at the fuse for 4wd but none at the switch,and obviously none at the actuator or vsv valves. Also there is no lights at all in the...