Engine Coolant Temperature Gauge Always Cold. Chevrolet Tahoe 4WD

For 1990-2009 cars only

Makes 🢒 Chevrolet 🢒 1998 🢒 Tahoe 4WD - RHD 🢒 Body and Accessories 🢒 Instrument Panel, Gauges, and Console 🢒 Engine Coolant Temperature Gauge Always Cold

Step	Action	Value(s)	Yes	No
1	With the ignition OFF and the engine cold, disconnect the connector at the coolant temperature sender. Connect a fused jumper wire between the coolant temperature sender connector cavity A and ground. Turn the ignition switch to RUN. Does the temperature gauge indicate that the engine is hot?	--	Go to Step 2	Go to Step 3
2	Replace the coolant temperature sender. Is the repair complete?	--	System OK	--
3	Locate and repair the open in the CKT 35 (DK GRN) wire between the coolant temperature sender and the instrument cluster. If the wire is good, replace the instrument cluster. Is the repair complete?	--	System OK	--

Step

Action

Value(s)

Yes

With the ignition OFF and the engine cold, disconnect the connector at the coolant temperature sender.
Connect a fused jumper wire between the coolant temperature sender connector cavity A and ground.
Turn the ignition switch to RUN.

Does the temperature gauge indicate that the engine is hot?

Go to Step 2

Go to Step 3

Replace the coolant temperature sender.

Is the repair complete?

System OK

Locate and repair the open in the CKT 35 (DK GRN) wire between the coolant temperature sender and the instrument cluster.
If the wire is good, replace the instrument cluster.

Is the repair complete?

System OK