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12-2 CHASSIS ELECTRICAL
Figure 3-Tell Tale Panel
COOLANT LEVEL- ENGINE
WATER - INDICATOR
All vehicles are equipped with a coolant
level warning light, "Engine Water," which
illuminates in the printed circuit tell-tale
panel (see figure 3) when a cooling system low
water condition occurs in the radiator of the
vehicle . The indicator module is located in the
instrument panel wiring harness beneath the
speedometer connector.
If "Engine Water"
indicator
system
malfunctions,
refer
to
"Coolant Level Indicator Diagnosis Chart",
Sec . 12, Maintenance Manual X-7525 .
See
servicing details before refilling coolant as
discussed
in
Sec.
13,
RADIATOR
AND
COOLANT RECOVERY SYSTEM, Maintenance
Manual X-7525 .
HEATER CONTROL LAMP
CIGAR LIGHTER
CONNECTOR
INSTRUMENT
PANEL WIRING
ANTENNA LEAD IN CABLE
GAUGE CLUSTER CONNECTOR
FUEL TANK SWITCH CONNECTOR
TELL-TALE CONNECTOR
HEATER WIRING
FLASHER
CONNECTOR
THERMAL TIME
GROUND
DELAY RELAY
BATTERY SWITCH CONNECTOR
HEATER SWITCH FEED CONNECTOR
SWITCH ELECTRONIC LOW FUEL
-SPEEDOMETER CONNECTOR
WASHER SWITCH
CONNECTOR
LIGHT SOURCE & LENS
LAMP
SWITCH
CONNECTOR
A-5575
Figure 4-Instrument Panel Wiring (Typical)
MODULE REPLACEMENT
The engine water (low coolant) module is
replaced from the rear of the instrument
panel. The module is taped to the instrument
panel wiring (see figure 4) below the speed-
ometer connector, and is connected to the
wiring harness through a 5-wire connector.
Low coolant level schematic is shown in figure
5.
1. Remove instrument panel rear cover.
2. Remove tape from module .
Remove
module from dash panel by removing two
securing screws.
3. Disconnect
electrical connector from
module .
4 . Install replacement module in reverse
sequence of removal.
PROBE REPLACEMENT
1 . Disconnect lead wire from probe sensor .
2 . Unscrew probe sensor from radiator .
3. Install
replacement
probe
sensor
in
reverse sequence of removal .
Torque probe
sensor to 25-30 in. lbs.
ENGINE WATER "SYSTEM" CHECK
Disconnect lead wire from sensor probe in
radiator. Turn ignition key to "ON" position.
Check for illumination of "Engine Water" bulb
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