Page 24 Vision Microsystems Incorporated
The temperature probe wiring harness is made of Chromel-Alumel alloy
wire that must not be substituted or extended with normal copper
wire. The power and ground wire are normal copper. Temperature probe
leads may be spliced with additional Chromel-Alumel wire using copper
butt splices.
When the installation is complete all wires should be secured using ties
and carefully checked for interference, rubbing or chaffing with flight
control cables or other moving parts.
Power Connection
The VM1000C automatically accommodates both 14 and 28-volt
electrical systems. Using the J1 connector harness 790200, connect the
power lead (red) to a separate 5-amp circuit breaker connected to the
master power bus. Connect the ground wire to the engine block. No
connection to the aircraft dimmer system is required because the
instrument dims automatically with reductions in ambient light.
Probe and Transducer List
DISCRIPTION Part No. Opt 4 cyl 6 cyl
EGT probe M-111 4 6
CHT probe 5050 4 6
TIT probe M-111-T 1 1
OAT probe 400510 1 1
IAT probe M-111 1 1
Carb temperature probe 400128 1 1
Oil temperature probe 400505 1 1
Fuel pressure Transmitter Carb
engine
Fuel pressure Transmitter Injected
engine
790775 -1, -2, -3
3060-17
1 1
Ammeter shunt MS –91586-6 1 1
Fuel Flow transducer 700900-1,-2 1 1
Fuel Level sender option 791000 1 1
Oil pressure Transmitter 306018 1 1
MAN 604010 1 1
RPM 420815-1 Slick,
420815-2 Bendix
1 1
Fuel Level Sensor (capacitance)
791000-(xx) 2
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