Seville V8-273 4.5L (1989)
Temperature Gauge: Testing and Inspection
TEMPERATURE GAUGE INDICATES HOT
1.
Disconnect coolant temperature sender connector.
2.
Turn ignition switch ON.
^
If gauge indicates HOT, check for short in sender wire or printed circuit board.
^
If gauge indicates COLD, replace coolant temperature sender.
TEMPERATURE GAUGE INDICATES COLD
1.
Disconnect coolant temperature sender connector.
2.
Ground coolant temperature sender wire. Turn ignition switch ON.
^
If gauge indicates COLD, check for open in sender wire or printed circuit board.
^
If gauge indicates HOT, replace coolant temperature sender.
