1975 Datsun 280z FSM - Spooled up Racing

Body Electrical System
Fan unit
1. Disconnect battery ground cable.
2. Disconnect control cable for air
intake box by removing clamp at air
intake duct. See Figure BE-81.
3. Disconnect lead wires for fan and
resistor at connectors. Fan unit can
then be taken out easily by removing
retaining screws.
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BE 640
Fig. BE-88 Removing fan unit
4. Installation is in the reverse sequence
of removal.
BE128A
1 Engine room harness
2 Dash harness
3 Instrument harness
4 Fuse block
5 Catalyzer hold relay
6 Air-con relay
7 Defogger relay
8 Horn relay
9 Intermitter wiper relay
E592A
Fig. BE-89 Air-con relay
Air-con relay
The air-con relay is located on relay
bracket.
1. Disconnect battery ground cable.
2. Disconnect lead wires from relay
at a connector.
3. Remove two screws retaining
relay to relay bracket. Relay can then
be taken out.
4. Installation is in the reverse sequence
of removal.
3. Remove two screws retaining fan
switch to heater control. Fan switch
can then be taken out easily.
4. Assembly is in the reverse sequence
of disassembly.
DISASSEMBLY AND
ASSEMBLY
Fan switch
1. Remove heater control with
three-way venti-duct referring to previous
section.
2. Remove nut securing gear to fan
switch and take out gear.
1 Fan switch
2 Illumination lamp
Fig. BE-90 Disassembling fan switch
I
BE-50