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Revision as of 22:58, 12 February 2016

Optional for the Datsun 1200 was an 8,000 RPM Kanto-Seiki tachometer. It was usually housed in the round-gauge instrument panel to the left of the Speedometer. It may also be placed in the optional floor Console.

1 Overview
2 Location
3 Wiring
4 Part Numbers
5 620 Tachometer
- 5.1 Comparison
6 Facelift
7 Bprojects
8 Nissan Competition
9 10,000 RPM Tachometer
10 12,000 RPM Tachometer
11 Mechanical Drive
12 Aftermarket Tachometers
13 Photo Index

Overview

USA 1972 Owners manual (see pages 8-9 for Tacho information):

The tachometer is electrically operated and indicates engine speed calibrated in hundreds of revolutions per minute (rpm). two color zones are on its face. For normal driving, your vehicle should be driven in the yellow or non-color sectors.

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PB110 Options S1 Ute SSS B140

Location

Parts Catalog shows GL came with a Clock in the dash, and the GX came with an 8,000 RPM tachometer in the dash, while the clock was moved to the floor Console. Tachometer was optional on DX or GL round dash models.

Dash

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PB110
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Tacho in dash, blank plate in Console

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Tacho in dash, Clock in Console

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Console

Specials Datsun 1200 SSS and Datsun 1200 S1 placed the tachometer in the floor console. It is preferable to have the Tachometer at eye-level, however these models came with square-gauge dashes.

SSS
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S1
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Wiring

See main article: Tachometer Wiring

Part Numbers

NO tachometer is listed for Sunny Truck, but only a Clock. Even so it is common to see tachometers installed in 1200 Trucks, as they fit the same.

24855-H1800 1200 TACHOMETER 8000 RPM [6400 redline]

24855-H2300 1200 TACHOMETER 8000 RPM GX

24855-H1075 1200 FACTORY RACE TACHOMETER Calibrated to 10,000 RPM with adjustable redline needle

24855-H3100 1972 B110 8000 RPM [Facelift] (Except GX)

24855-H3400 1972 B110 GX 8000 RPM [Facelift 6800 redline]

620 Tachometer

The Datsun 620 truck tachometers fits Datsun 1200 and looks very similar. But 620 models have 7000 rpm yellow line for L20B engine (1200 tach has 6400 rpm redline).

1976-1979 620 Tachometer [7000 redline]
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620 in Japan did not have a factory tachometer option.

1972-1975 early 620 USA
* 24840-B6400 KIT-TACHOMETER OP -0775
* 24054-B6400 ASSY-CABLE,TACHOMETER

1976-1979 late 620 USA
* 24855-B8000 ASSY-TACHOMETER OP 0875-
* tachometer wiring is built into every 1976-1979 620

The later Tachometer Wiring is different. It is a typical tap connection, instead of the Datsun 1200 'passthru' induction wiring.

Comparison

Early 1200 Tachometer has wiring loop:

Late 1200 Tachometer/620 Tachometer has no wiring loop:

These two types are wired completely different. See Tachometer Wiring.

Facelift

See 1972 minor facelift

Bprojects

Bprojects Sunny Truck tachometer, looks like genuine.

6500 RPM redline

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Green to Illumination
Black to Earth
Red to I/G 12V
Yellow/red to ignition coil - (minus)

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Nissan Competition

1984 Nissan Competition Catalog

* TACHOMETERS

24855-H1800 1200 TACHOMETER
24855-H1075 1200 FACTORY RACE TACHOMETER
Calibrated to 10,000 RPM with adjusable redline needle. Installation same as 24855-H1800.
28455-H6200 B210 TACHOMETER (TO 7/75)
28455-H7200 B210 TACHOMETER (FROM 8/75)
28455-H9100 210 TACHOMETER (TO 12/79)
28455-H9021 210 TACHOMETER (FROM 1/80)

24855-H1800 is the stock factory OPTION tachometer
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