Yes You r Right wiring is messed up. i asked electrician about it he demands 3000.rs but he was not tided in himself. so i have a plan to DIY. but having hesitation.
yes i am using tap water.i flushed cooling system twice to remove rusted water. now it has minor rust color water in it.
for thermostat Valve it seems i have to do it my self b'coz mechanic said phir ajao *** garmi mein k kanta uth raha hai direct kerdo. will do it soon. and will bother you all
Using Carient by PSO 20W-50 (Carient Plus Motor Oil (with Ai Formula) | Pakistan State Oil)
if u r suggesting then i wil change the quality.