intercooler spray bar and light washers, QUESTION Options

[empite]

Hello guys , I bought a half cut , still trying to figure out where every plugs in and plug out .....
1)the bumper has spray muzzles on the support bar for the intercooler and it has headlight washers too ....the car before became half cut I think was crashed and the bumper I'm sure its from this car ....because there's a "T" water bridge from the water reservoir and this bridge has 2 plugs one for the spray bar and probably one for the headlight washers ...one of these plugs is closed from the factory with buttom but that's not my problem.....my problem is I still cannot figure out how they work...theres not button or something like that for the headlight washers.... Is there anybody that knows how these think work and help me ?
2)the other thing is the gt4 air-conditioning that is fully electrical and not like the regular like at200's ...is it possible to workout with easily setup without to take out all the dashboard ?

Thank you for now