Cluster Gauge

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Category: Body Electrical System

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Revision as of 08:48, 26 March 2016

The cluster gauge is the combination meter in the dashboard, consisting of the Speedometer, Fuel Gauge, Temperature Gauge and the dash lamps including Turn Signals.

Contents 1 Earth 2 Wiring 3 Types 4 Overview 5 Old VS New Styles 6 Variations 6.1 Facelift 7 620 8 Brake Lamp 9 Sources 10 Photo Index

Earth

The gauge is earthed (grounded) by the large tab at the bottom. This means the gauges won't work properly until bolted in place. For testing, an earth wire can be attached.

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The cluster is earthed/grounded via a tab
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Wiring

See main article: Instrument Panel Wiring

Types

Also see: Bar Cluster Gauge

Kaku vs Maru gauges

Technically, the combo meter is the "cluster gauge", but in practice the entire unit including the speedometer is called the "cluster".

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Overview

Cluster gauge has these components:

* Temperature Gauge
* Fuel Gauge
* Cluster Lid Shadow Mask, which has these lamp masks:
  * OIL (red warning)
  * BEAM (blue indicator)
  * CHG (red warning)
  * BRAKE (red warning) [on USA 1200s, and on newer utes, blank on others]

* 25014-H18000 ASS'Y-PLATE-shadow
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Indicators Bulbs are this kind. For more details, see Bulbs

Old VS New Styles

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Old Style: warning lamps have no labels (labels are on the mask plate):
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New Style: larger warning lamps, with the labels on the lenses
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New Style can be ID'd by the doubled temperature lines
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Original Style with single temperature lines
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Variations

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• North American Market: has extra warning lamp marked BRAKE (see details below)
• non-USA, one lamp shadow is unlabeled
• 1975-up ute with larger warning lamps

Japan market: no label on the mask for BRAKE
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Late Ute: New larger warning lamps, with the labels on the lense

Also has BRAKE lamp

Non-USA: No BRAKE lamp

JDM metric with color-coded Speedometer
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Red wire clip is for the Clock lamps
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Facelift

Plastic anti-glare covers instead of flat glass.

Facelift gauges use the new font and anti-glare covers
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25012-H3300 COVER ASSY-front (for clock)
25012-H3400 COVER ASST-front (for tachometer)

Clock with Cover

This cover (source unknown) does not fit the tachometer

Tachometer using flat-plastic cover also fits the cluster lid
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Gauges have long-reach brackets, and indicator lamps are moved to the Cluster Lid
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Note high-mounted indicator lamps
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Japan GX 180kph speedometer

Sunny Truck cluster with speed switch double-amplifiers

620

Datsun 620 pickup uses a 1200-sourced cluster gauge. It used plastic spacers to set back from the cluster lid as the 620 had a slanted instrument panel.

USA pictured. See http://community.ratsun.net/topic/32970-620-gauge-differences

1973(?) - B110 GX Facelift style, blue & red speed switch wires

1976(?) - Late style, blue wire speed sensor, no Lamp feed, single IGN feed

1978 - Dual-scale mph/kph, no speed sensor, no Lamp feed

Brake Lamp

The brake lamp is fitted to North America 1200s per US federal law. Other 1200s did not have a lamp in this spot until October 1975.

Also see: Brake Wiring

1972 USA Owners manual BRAKE SYSTEM WARNING LAMP If either half of the dual brake system fails, the brake warning light (BRAKE) glows when brakes are applied. You must stop the car immediately and if you can safely operate with two-wheel brakes, move your car at reduced speed to the nearest service station. This warning light is also used as the parking brake warning light. Before starting, if the warning light does not glow when the parking brake and ignition switch are on, have the electrical system checked.

Sources

B110
B120

Datsun 1200AX Sado

C20 Sunny Cab/Cherry Cab
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1976-1981 Nissan C340 Caball/Clipper
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Photo Index

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