Mercury 175 EFI

WIRING DIAGRAMS
90-883728 JULY 2001 Page 2D-3
Instrument Wiring Connections
Speedometer Tachometer
Temperature/Oil
Volt Meter
BLK = BLACK GROUND
TAN/WHT = TAN/WHITE OIL LIGHT
TAN/BLK = TAN/BLACK TEMPERATURE LIGHT
TAN = TAN TEMPERATURE GAUGE
PUR = PURPLE IGNITION 12 VOLT
GRY = GRAY TACHOMETER
BRN/WHT = BROWN/WHITE TRIM GAUGE
TAN/BLU = TAN/BLUE VISUAL WARNING KIT (OPT.)
Wire Color Where To
ab
a
b
c
58912
Figure 1 – Without Light Switch
NOTE: ANY INSTRUMENT WIRING HARNESS LEADS NOT USED MUST BE TAPED
BACK TO THE HARNESS.
Speedometer Tachometer
Temperature/Oil
Volt Meter
To 12V
58913
ab
a
b
c
c
d
Figure 2 – With Light Switch
a-Tachometer Receptacle - From Control Box or Ignition/Choke Switch
b-Tachometer Wiring Harness
c-Lead to Optional Visual Warning Kit (Taped Back to Harness)
d-Light Switch