Hi all, i have a 99 lexus gs400, the inside lights/radio were not working, so i replaced the fuses, yay. Now the ac/heat no longer blow through the vents. It worked fine prior to changing the fuses out. Please help me, what do i do? It does make a click noise when changing the modes, but no air or heat blowing at all, i can hear the car idle differently when turning off/on but nothing else.
Try to get 12V directly to the blower motor (bypassing the switch and the resistor) and see if the motor runs. If so, the switch or resistor are suspect. If not, a new or good used motor is called for.
yep- recheck the fuses. Make sure it is in correctly, make sure you didn’t blow it, and then proceed.
From your description, it sounds like the a/c switches are working fine (as the change in engine sounds likely means the a/c compressor is engaging,) so this is just a blower issue.
If its not the fuses does this mean blower motor or resistor? I’m just having a hard time thinking one of those happened simply after changing fuses lol but then again I’m the worst person to try to work in cars.
Hi everyone. The dealership literally gave up and couldnt figure out the issue. Blower motor is good, resistor is good, servo is good, compressor kicking on, heater fuse and blower motor relay good. I have no idea what to do at this point, im very frustrated. All of this just because i changed fuses so my inside lights would work