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Mercury MerCruiser MCM 502 Mag MPI

Mercury MerCruiser MCM 502 Mag MPI
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WIRING DIAGRAMS SERVICE MANUAL NUMBER 23
Page 4E-18 90-861326--1 MARCH 1999
Instrumentation Harness Diagrams
MCM (Sterndrive)
74046
1
2
3
4
5
6
7
8
2
1
1
1
Refer to gauge manufacturers instructions for specific connections.
NOTE:
1
Connect wires together with screw and hex nut. Apply Liquid Neoprene to connec-
tion and slide rubber sleeve over connection.
NOTE:
2
Power for a fused accessory panel may be taken from this connection. Load MUST
NOT exceed 40 amps. If this is done, the panel ground wire MUST BE connected to instru-
ment terminal that has an 8 gauge BLACK (Ground) harness wire connected to it.
1-Audio Warning Buzzer (If Equipped)
2-Tachometer
3-Oil Pressure
4-Water Temperature
5-Battery Meter
6-Ignition Switch
7-Trim Indicator
8-20 Amp. Fuse
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