Service manual

INSTRUMENTATION SERVICE MANUAL NUMBER 26
Page 4D-8 90-861329--1 MARCH 1999
Cruiselog Meter
TESTING
1. Connect jumper wire from negative (–) battery terminal to negative (–) gauge terminal.
2. Connect jumper wire from positive (+) battery terminal to positive (+) gauge terminal.
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3. Observe gauge run indicator. If indicator is turning, gauge is operable; if not, replace
gauge.
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a
a-Indicator
Vacuum Gauge
TESTING
1. Disconnect vacuum hose from engine. Connect service vacuum gauge to engine and
record engine vacuum readings at idle, 1000, 2000 and 3000 rpm. Reconnect vacuum
hose and compare vacuum gauge readings (at specified rpm) with service gauge read-
ings. Readings should be within 3 inches of vacuum of each other.
IMPORTANT: Make sure that vacuum hose between gauge and engine is not leaking
and that all connections are tight.
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