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Turn signal or flashers, blinkers, indicators, winkers. All 1200s have them. Optional was a switch with built-in passing button at the end of the stalk, which flashes the high beams.

1 Also See
2 Overview
3 Switch Removal and Installation
4 Flasher Location
5 Troubleshooting
6 Part Numbers
7 Custom

Also See

Overview

These components comprise the T/S system:

T/S switch (in steering column)
Light Switch (in dash, controls head/running/T/S)
Wiring & Fuse
Lamps (lens & socket & bulbs)

RHD & LHD use the same T/S switch assembly. Just rotate it 180 degrees.

Switch Removal and Installation

Remove Steering Wheel
Remove Steering Column cover (clamshell)
[ [
Unplug wiring connectors down along steering column
[
Remove position screw
Loosen the two clamping screws
Pull straight off column

Flasher Location

NILES Hazard flasher unit bolts to right side of column brace

NILES Turn Signal flasher unit bolts to left side of column brace

Troubleshooting

See Turn Signal Testing

Part Numbers

Japan Flasher

Japan-market 1200s used a single flasher unit to operate both the Turn Signals or the Hazards (depending on position of the Hazard switch).

1200 including truck
25520-89974 UNIT-flasher, hazard & turn signal
* supercedes 25520-89962

B210 1973-1975
25520-89974 UNIT-flasher, hazard & turn signal

Late B210 used seperate flashers for Turn Signal & Hazards.

B210 1976-1977
25520-89995 UNIT ASSY-TURN SIGNAL FLASHER
25520-89997 UNIT ASSY-HAZARD FLASHER [SAME AS USA]

USA Flasher Units

T/S flasher unit and Hazards flasher unit look similar (both are two-prong flashers), but are different specification. The load varies: Hazard flasher activates all lights at once, while T/S flasher does one side at a time.

Terminals
X: battery
L: lamp

Candlepower: 32 [32CP]

Cycles per Minute: 80 to 90 C/M

In the orginal B110/B210/B310 fitting, the T/S flasher was a large 40mm diameter NILES unit, while Hazard used the smaller 32mm NILES unit.

Newer style

Early Style

Aftermarket

Turn Signal Flasher

T/S Flasher
B5520-89993 UNIT-FLASHER 12V 50W $14 USD
NILES CF115 (23W x 2 + 3.4 w [49.4 watt])
* superceded 25520-89901
used by
* Datsun B110 USA
* Datsun 510
* Datsun 520/521
* Datsun Fairlady AUS

B210 USA spec is different: 25520-89976 or 25520-89966

B310 USA spec is different: 25520-89983 (clip on, not bolt-on).

Hazard Flasher

Hazard flasher
25520-89997 UNIT HAZARD FLASHER $24 USD
* supercedes 25520-89990 (original B110 spec) 
* superceded 25520-89996 (original B310 spec)
NILES F215AF (23W x 2 + 3.4 w [49.4 watt])
NIEHOFF 562
used by
* Datsun B110 USA
* Datsun B210 USA
* Datsun B310 USA

Aftermarket Units may replace one or both part numbers.

NIEHOFF 562 (suitable for Hazards) is compatible with:
* 25520-89976
* 25520-89978
* 25520-89983
* 25520-89996
* 25520-89997
* 25520-B8060
* 25520-E46000
* 38300-634-671
* 38300-671-671
* 38300-671-672
* 38300-692-671
* 38300-692-672
* 38350-634-003
* 38350-634-671
* 38350-671-003
* 38350-671-013
* 2113-66-470
* 6832-10-072
* MB031754
* MB031755
* MB031756
* 6832-10073
* 7861-22000
used by:
71-85 American Motors 
80-87 Aston Martin 
71-85 Chrysler 
71-85 Dodge 
71-85 Dodge Truck 
67-82 Ford (English) 
70-84 Honda 
61-82 Jaguar 
68-82 Lotus 
61-81 MG 
70-84 Mazda 
67-80 Mercury 
83-91 Mitsubishi 
71-85 Nissan-Datsun 
71-85 Plymouth 
71-85 Plymouth Truck

Universal Flasher

Flasher for either T/S or Hazards

Aftermarket universal thermal flasher
BUSS FLASHER 552/536 12V $3.19 @ O'Reilly
2-terminal
32CP MAX6
Taiwan
flashes 2-3 Turn Signal 32CP lamps 
flashes 2-6 Hazard lamps
clip on type [no bolt-on tab, so zip-tie it under the dash]

Electronic Flasher

An "electronic" flasher may be used to accomodate non-stock bulbs, but requires extra wiring.

By contrast, the original thermal flasher types only work with a specific number and wattage of bulbs.

TS/Beam Switch Assembly

25540-H1007 SWITCH COMP-turn signal & dimmer STD, B120 -7803 $155.78 USD
- superceded 25540-H1006
25540-H1100 SWITCH COMP-turn signal & dimmer
passing switch type
- OPTION DX, GL, GX
- Optional on B120 -7803
- Standard on B120 7804-

Hazard & Parking Light Switch

USA

25290-H4600 COMP-SWITCH HAZARD 0172-
- replaced 25290-H1900 COMP-SWITCH HAZARD
- 08513-30812 SCREW FIXING HAZARD SWITCH (3)
- 08915-13310 WASHER-SPRING (3)

JDM

25290-H1001 SWITCH ASSY-hazard & parking B110 [also used by B120 -7803]

3-button Hazard & Parking Switch
- 85-13308-12 SCREW (3)
- 89-15133-1 WASHER-lock (3)

25880-H2500 SWITCH COMP-hazard & parking PB110

B120 Pickup Early

25290-H1001 SWITCH ASSY-HAZARD & PARKING -7803 [also used by sedan/coupe/van]
- 08513-30812 Screw, fixing

Facelift (brown?)

25290-G1060 SWITCH ASSY-HAZARD & PARKING 7804-8608
25290-G1260 SWITCH ASSY-HAZARD & PARKING 8608-8910
- 08513-30812 Screw, fixing

Late Model (gray)

25290-95W00 SWITCH ASSY-HAZARD & PARKING 8910-
- 08513-30812 Screw, fixing
Single Hazard button (no parking light buttons, as in earlier JDM switches)

Light Switch

25160-H1101 SWITCH COMP-lighting B110 (also B120)
25160-H1110 SWITCH COMP-lighting, with fog lamp switch (op.)
25160-H2510 SWITCH COMP-lighting, w/o fog (op.)
25160-H2511 SWITCH COMP-lighting, with fog (op.)
25165-H1000 KNOB ASSY-lighting
25165-E7500 KNOB ASSY-lighting, with illumination, w/o fog (op.)
25170-H2510 LAMP ASSY-illumination (op.)

Custom

Also here's a custom update: Add a Bluebird multi-switch. Bolts to the 1200 column:

T/S switch
Light switch
Wiper switch

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Turn Signals

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