Service manual

INSTRUMENTATION
SERVICE MANUAL NUMBER 26
90-861329--1 MARCH 1999 Page 4D-3
Special Information
Lighting Options
COMMODORE AND INTERNATIONAL SERIES
These gauges may be wired so that the illumination lighting is provided from the ignition
switch or a separate instrumentation lighting switch.
By removing contact strip “I” from between + terminal and the screw as shown following, and
supplying a separate +12 V power supply to the screw connection, illumination lights can
be operated independent of ignition switch.
72966
b
a
c
Ignition Switch Lighting Circuit
a-+12 V Power Supply From Ignition Switch
b-Contact Strip “I”
c-Screw Connection
72967
b
a
c
Separate Instrumentation Lighting Circuit Wiring
a-12 Volt Power Supply From Separate Instrumentation Lighting Circuit
b-Contact Strip “I” - Removed
c-Screw Connection
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