INSTRUMENTATION
SERVICE MANUAL NUMBER 22
90-860074--1 FEBRUARY 2002 Page 4D-13
Water Temperature - Primary Station
REMOVAL
1. Drain the closed cooling system.
2. Remove harness wiring from temperature switch located behind the electrical box
bracket and accessible through a hole in the bracket, as shown.
75298
a
b
c
Typical
a-Harness Wiring
b-Water Temperature Sender
c-Sealing Washer
3. Counter-hold the adaptor with a separate wrench.
4. Remove the sender and sealing washer.
TESTING
IMPORTANT: Use the following test to determine the accuracy of the Water Tempera-
ture Sender gauge circuit. If gauge indicates NO temperature when running engine
refer to the SECTION 1C - Troubleshooting.
NOTICE
Read WARNING about switch and sender testing in Precautions at front of this section
before proceeding with tests.
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