Knobs
GL and GX trim Datsun 1200s used illuminated electrical switch knobs. For the 1972 US market, the electrical switch knobs were redesigned to use words instead of symbols. Then in 1973 all USA 1200s adopted the illuminated knobs.
Also See: Door Knobs
Overview
Original H1000 type, used from begining through 1994:
- Shifter Knob
Cigarette Lighter Knob is integral with the heating element. One from most cars, Japanese or American will fit.
Datsun 1200 lighter element in center:
Australia Knobs
Ventilation
See main article: Ventilation
The Vent knob attaches to the heater unit
27017-G1000 KNOB-VENTILATION https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/1971/Truck/G27-31ax.jpg
27137-H1000 KNOB-HEATER CONTROL 'A' 27138-H1000 KNOB-HEATER CONTROL 'B' [with fan symbol] 
The Control lever (top) and Temperature/Fan lever (bottom) knobs 
Illuminated
See Illumination Control for wiring and operation.
In response to proposed government legislation, illuminated knobs were developed and first available as an option in 1970. When the light switch is turned on, the knob glow pale green to let you know the location of the knobs. This uses fiberscope technology, where light from a bulb is transmitted via fiber optic cable to the knob itself. It became standard in 1973 USA models.
Light Switch and Wiper Switch both have illuminated versions. Note the fibre cable hanging off the back of the wiper switch
http://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/LightandWiperSwitch.jpg
Japan
1970
GL, GX option of bulb-illuminated cigarette lighter.
25330-H2000 COMP.-LIGHTER-cigarette with bulb GL,GX
1972
Facelift 1200s had GL/GX Option H25 Type switches, illuminated with ファイバースコープ (Fiberscope) fiber optic cables, along with bulb-illuminated cigarette lighter.
25170-H2510 LAMP ASS'Y-illumination (op.) 25160-H2510 SWITCH COMP-lighting, with illumination w/o fog (op.) 25160-H2511 SWITCH COMP-lighting, with illumination with fog (op.) 25165-E7500 KNOB ASS'Y-lighting, with illumination w/o fog (op.) 25260-H2511 SWITCH COMP-wiper (illumination) (op.) 25265-H3101 KNOB ASS'Y-wiper (illumination) (op.) 25330-H3400 LIGHTER COMP.-cigarette GL,GX 25330-H3401 LIGHTER COMP.-cigarette GL,GX > 25330-H3400 (lighter uses regular knob)
Lamp:
http://datsun1200.com/uploads/photos/30423.jpg http://datsun1200.com/uploads/photos/30424.jpg
Illuminated Wiper Switch knob
http://datsun1200.com/uploads/photos/30422.jpg
Sunny Excellent
PB110 used H25 switches & lamp (illumination unit) but with E75 style knobs from the Nissan Laurel C30.
North America
Because government regulation FMVSS 101 required it as of September 1972, 1973 USA models used illuminated Sunny style knobs but with Text
H70 Type: Green knob with words and illumination (B210 also uses this as standard fitment) except for the headlight switch.
1973 USA government FMVSS legislation required:
72-09 Standard No. 101 Controls and Displays
- identification of essential controls and displays must be illuminated whenever the headlamps are lit (Except for foot-operated controls or manually operated controls mounted on the steering column)
1973 Datsun 620 truck is similar, but uses Laurel-style knobs with Text
Early 620 Headlight switch with fiber optic cable
Early 620 headlight and Wiper switches
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/LightandWiperSwitch.jpg
Early 620 lamp can. The fiber optic cables plug into the can
https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/SwitchIlluminationcan1.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/Datsun%201200/wiki/SwitchIlluminationcan2.jpg
620?
https://i297.photobucket.com/albums/mm219/ddgonzal/wiki/wiper.jpg https://i297.photobucket.com/albums/mm219/ddgonzal/wiki/wiper_.jpg
B210
In 1973 the B210 was released. USA of course had the fiberscope knobs standard, while in Japan it was an option.
1972 USA USA
Because government regulation FMVSS 101 required it as of January 1972, USA models used knobs with Text instead of a symbol. This changed again for 1973, where some of the knobs were required to use a symbol.
1971 Type #H10 symbols — same as JDM 1972 Type #H46 words 1973 Type #H70 words illuminated
H46 Type has words, instead of symbol
25265-H1000 KNOB-WIPER SWITCH 25265-H4600 KNOB-WIPER SWITCH 0172- USA 'WIPER' 25265-H7000 KNOB-WIPER SWITCH 0772- USA Illuminated
Comparo: Old (bottom) vs New type (top):
H10
The original type H10 knobs have symbols (no text).
H46
H46 Type has words, instead of symbol, due to government regulation.
ノブ
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