Blower Motor Relay: Testing and Inspection
Blower Motor Relay1. Disconnect blower relay.
2. Check continuity between terminals of relay.
3. If not as specified, replace relay.
4. If correct, go to next step.
5. Apply 12V to terminal 2 and ground terminal 4.
6. Check for continuity between terminals 1 and 3.
7. If not as specified, replace relay.
8. If correct, go to Step 2.