Dual Station Sender Identification; Fuel Tank Sender; Flange Type - MerCruiser GM4 Service Manual

3. Connect TAN wire and coat with liquid neoprene.
a - TAN Wire
b - Water Temperature Sender
4. Refill closed cooling system with approved cool-
ant as outlined in Section 6B.

DUAL STATION SENDER IDENTIFICATION

Sender will have 362-BC stamped on hex.

Fuel Tank Sender

Flange Type

TESTING
1. Disconnect wire from terminal on sending unit
and ground wire from sending unit mounting
screw.
2. Remove sending unit from fuel tank.
3. Connect ohmmeter between sending unit termi-
nal and sending unit housing.
Index
90-816462 2-695
a
b
4. With float arm in FULL position (arm horizontal),
ohmmeter should read 30 ohms (+ 5 ohms).
a - Ohmmeter Leads
b - Vertical Float Arm
5. With float arm in EMPTY position (arm vertical)
meter should read 240 ohms (+ 5 ohms). Sender
is defective if not within specifications.
a - Ohmmeter Leads
b - Vertical Float Arm
a
b
72755
a
b
72756
INSTRUMENTATION - 4D - 7