Temperature Warning Light Inoperative

Disconnect temperature warning light sending unit. Turn ignition switch to ON position. Using a jumper wire, connect terminal at sending unit wiring harness connector to a known-good ground. If temperature warning light fails to come on, check for problems in circuit wiring, burned out bulb, disconnected bulb socket in instrument cluster or faulty BCM. See BODY CONTROL MODULES article. Repair or replace as necessary.