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[Datsun 1200 encyclopedia]


From Datsun 1200 Club

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Category: Body Electrical System

Speedometers were either in kilometers or miles. Australia started with mph and then switched to kph via sticker overlays. Some speedometers had a trip meter.



1972 USA Owners manual

Page 08   Page 09
th_08.jpg   th_09.jpg
Instrument and Controls

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MPH speedo is also marked in KPH ranges on the very edge, which is partly visible when installed. 13742.jpgAlbum click to view

Also See:
* Cluster Gauge
* Dashboard


STD bar gauge

STD speedometer was a rectangular type. GL & GX used round gauges. DX varied.
1085.jpgAlbum click to view

Round gauge

24850-H1816 100MPH w/o tripmeter (AUS/USA standard equipment)
10675.jpgAlbum click to view

?? 100MPH with tripmeter
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1973 5mph marks

24850-H3400 1200 120MPH SPEEDOMETER Includes tripmeter
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140 kph
1300060168_177086830_11-DATSUN-SADO-.jpgPost click for topic

160 kph

160 kph late

GX - 180 kph

#Facelift GX - 180 kph

Matsuoka - 240 kph
26445.jpgAlbum click to view

B140 2008
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Facelift GX

Gauges changed for the 1972 minor facelift in Japan. As before the GX speedometer went to 180km/h instead of the regular 160km/h. As with all 1972s it had the speed warning sensor.

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Part Numbers


24850-H1816 ASSY-SPEEDOMETER 100MILE/H [With 20 mph markings]
24850-H7000 ASSY-SPEEDOMETER 100MILE/H From 7/72 [With 10 mph markings]
24850-H3400 120MPH SPEEDOMETER Includes tripmeter
JDM Sunny Truck
24850-G1670 SPEEDOMETER ASSY 7804- [Round]


JDM Sunny Truck
24850-G1000 SPEEDOMETER ASS'Y (up to '72-6)
24850-G1001 SPEEDOMETER ASS'Y (from '72-7 for speed buzzer) > 24850-G1000
24850-G1002 SPEEDOMETER ASS'Y (from '72-12 for intermittent buzzer) > 24850-G1001
24850-B8600 SPEEDOMETER ASSY 7510-7803 [Rectangle]
JDM Meter Kaku (Bar Gauge)
Through '70 Dec
 24850-H1000 ASS'Y-SPEEDOMETER Std
 24850-H1100 ASS'Y-SPEEDOMETER S-Dx, VDT [Van Super-Deluxe T]
 * with trip meter
From '71 Jan
 24850-H1001 ASS'Y-SPEEDOMETER S-Std
 * with trip meter
 24850-H1410 ASS'Y-SPEEDOMETER VS,VP [Van Standard, Van Deluxe]
 * with trip meter

H10 ? - all red lamps
8400.jpgAlbum click to view

MPH Rectangle - 0-100 Miles Per Hour
10290_4a2f72d1a2c39.jpgUpload click to view

B86 - Blue H.B. lamp + yellow/red zones
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277_4c0264d7b3d4a.jpgUpload click to view

Metric-Imperial Conversion

Sometimes on eBay Australia you can get the vintage conversion stickers.
923.jpgAlbum click to view 5362.jpgAlbum click to view


print this on plain paper at 125%, for a test fit. If you like it, print on sticker stock then apply to the speedometer
1101.jpgAlbum click to view


Take the face plate and scan it on the flatbad scanner, then modify it. Finally, print a new one out with the photo printer. You can modify the font, colors, etc. You might think you can simply bolt it to the speedo using the standard screws, but it will not lay flat. Adhesive paper (sticker paper) will work
15393.jpgAlbum click to view

Speedometer Calibration

It is normal for the speedometer to read fast. The specified tolerance is +5% -10%. So at actual 60mph it can read 57 to 66 and still be acceptable. But you can blueprint the speedometer to be closer to the actual speed.

Speed Buzzer

Starting in 1972, all JDM speedometer came with speed switch for warning of excess velocity.

Amplifier Speed Switch

1972 Japan, Australia late utes and 1973 USA used a speed switch.

13695.jpg 20090615145339DSC07168x.jpg


Possible fit: POST Smith's guage from a Triumph
10754.jpgAlbum click to view

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220km/h coversion from Matsuoka-M
174_5ce20bfaa0bb6.jpgPost click for topic

Custom Faces

See main article Custom Dash Faces


Z Speedometer

280Z speedometer fits in the 1200 dash cluster.


  1. Swap the mounting cups as the 280Z unit is deeper
  2. Drill a hole for the trip meter shaft through the back
  3. The face is to large for the opening in the 1200 housing, so carefully reduce the diameter by 1/8 inch

350Z speedometer looks a similar size.
14499.jpgAlbum click to view

Electronic Speedometer

Yes, you can fit an electronic speedometer into a 1200.

See Main Article: Electronic Speedometer


Speedometer Cable

See Main Article: Speedometer Cable

Drive Ratios

See Main Article: Speedometer Gears

15669.jpg 19T.jpg

Photo Index

Also see: 
* Square Dash Photo Index
* Round Dash Photo Index

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