CHECK HARNESS.

1) Turn the ignition switch to OFF.

2) Use a tester to measure the resistance between the relay holder and chassis ground.

Connector & terminal

(F9) No. 6 — Chassis ground:

(B473) No. 5 — Chassis ground:

(B473) No. 10 — Chassis ground:

(B473) No. 15 — Chassis ground:

QUESTION

Is the resistance less than 10 Ω?

Yes No

Repair or replace the harness.