HEATER does not BLOW air

ive changed the resistor blower motor my climate controls checked each fuse i still have nothing 97 jeep tj

Hello,

There is a blower motor relay that needs to be checked and check for power at the fuse and ground at the mother here is a guide to help you test the system and the blower motor wiring diagrams below so you can see how the system works.

https://www.2carpros.com/articles/blower-fan-motor-works-on-high-speed-only

and

https://www.2carpros.com/articles/how-to-check-an-electrical-relay-and-wiring-control-circuit

Blower Motor Relay In wire harness connector, near right end of heater-A/C housing.

Check out the diagrams (Below). Please let us know what you find. We are interested to see what it is.