CHECK BLOWER MOTOR POWER SUPPLY.

1) Install the blower motor relay and control panel.

2) Turn the ignition switch to ON.

3) Turn the blower fan switch to ON.

4) Measure the voltage between the blower motor and chassis ground using a tester.

Connector & terminal

(B87) No. 2 — Chassis ground:

QUESTION

Is the voltage 10 V or more?

Yes No

Repair or replace the harness between the relay and blower motor.