WIRING DIAGRAMS
Page 2D-66 90-883728 JULY 2001
SmartCraft Gauge Test Specifications
Test Equipment Required:
1. Test Harness 84-875233A2 (a).
2. DMT 2000 Digital Tachometer Multimeter 91-854009A1 (b).
NOTE: Connect negative DMT lead to BLACK/ORANGE lead on test harness
84-875233A2 for all tests. Use positive DMT lead on all other test harness leads to deter-
mine if individual sensors are within specifications.
57738
a
b
SENSOR RED TEST LEAD BLACK TEST LEAD RANGE
Trim Yellow Black/Orange 2.7 vdc UP – 0.6 vdc
DOWN
Fuel Sender Pink/Black Black/Orange 0.65 vdc FULL – 2.92 vdc
EMPTY
Lake Temperature Tan/Orange Black/Orange 2.5 vdc @ room temp.
(Voltage decreases as
temperature increases)
+5 vdc Sensor Power Purple/Yellow Black/Orange 4.9 vdc – 5.1 vdc
Pitot Pressure White/Orange Black/Orange 0.5 vdc static
(voltage increases with
pressure)
Oil Sender Light Blue/Black Black/Orange 0.63 vdc FULL – 2.89 vdc
EMPTY
Paddle Wheel Frequency Gray/Blue Black/Orange Set meter to Hz and spin
paddle wheel or set meter
to AC volts and spin
paddle wheel. Hz or AC
volts should increase as
wheel spins faster.
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