Electric everything

[Arthur Wilkes]

Aftermarket alarm in remote start installed now no AC no gauges no windshield wipers no power windows are these all related somehow I just bought this car a couple of months ago everything was working fine then had to get a jump and got locked out now all these things don't work anyone know how I can fix it

Any help would be good

 

 

[Lexus Owners Club]

You may be best to remove it one wire at a time and see how that affects the rest of the car.

I have done this before and ended up removing a whole aftermarket system to put back to standard and also done it where upon removing the wiring and came across the fault.