Auto Meter 6993 Cobalt Digital Voltmeter Gauge, 2.3125 in.

The Auto Meter 6993 Cobalt digital voltmeter gauge displays electrical-system voltage to a tenth of a volt. Its blue-lit digital display and stated 12- and 16-volt compatibility make it a candidate for street or race car installations that need an at-a-glance voltage reading.

At a glance

Digital LED display with stated readings down to a tenth of a volt.
Listing claims a self-calibration sequence during power-up.
The gauge kit is described as including a wiring harness, mounting hardware and installation instructions.

Price

$80.00Save 41%

Reference price: ~~$135.55~~

Price checked: Nov 14, 2026

View offer

Often bought together

Auto Meter 6937 Cobalt Digital Water Temperature Gauge, 2 1/16"

$145.99

Pros and cons

Pros

The tenth-volt readout gives more resolution than a whole-volt display.
Stated 12- and 16-volt compatibility covers two common electrical-system ratings.
The claimed power-up self-calibration and included installation items may simplify setup.

Technical specifications

10 specifications

Identity
Brand	AUTO METER
Model	6993

Dimensions and installation
Gauge size	2.3125 in.
Weight listed	7.04 ounces

Electrical and display
Compatibility	12 and 16 volt compatible, compatible with nearly every street car or race car electrical system
Voltage resolution stated	Registers voltage down to a tenth of a volt
Display	Features Auto Meter's E-Z View Digital LED Display System which maximizes readability and minimizes distracting high speed digit changes
Lighting	Cobalt blue LED through the dial lighting

Materials and appearance
Material listed	Plastic
Bezel and pointer	Bright anodized bezels, glowing orange pointers

What to know before buying

The listing describes digital LED display features alongside Cobalt-blue through-dial lighting, and separately mentions glowing orange pointers. Confirm the appearance and display details in the selected listing if these matter to your dash layout.

What’s in the box

Included

Auto Meter 6993 Cobalt Digital Voltmeter Gauge, 2.3125 in.

Who is it for?

A good fit for

Drivers adding a dedicated voltage display to a street or race car with a 12- or 16-volt electrical system.
Installations where a digital reading in tenth-volt increments is useful.

Less suited to

Buyers who need an instrument for a voltage system other than the stated 12- or 16-volt compatibility.

Auto Meter 6993 Cobalt Digital Voltmeter Gauge, 2.3125 in. · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.5 / 5 · 5 ratings

5 stars83%83%
4 stars0%0%
3 stars0%0%
2 stars17%17%
1 star0%0%

Aggregate ratings are generally favorable but include a smaller low-star share. With only a small rating sample and no customer-comment summary supplied, they do not identify particular strengths, problems or installation experiences.

Frequently asked questions

What voltage systems is the Auto Meter 6993 listed as supporting?

The listing states compatibility with 12- and 16-volt electrical systems. It does not establish compatibility with other system voltages.

How finely does the gauge display voltage?

The listing says it registers voltage down to a tenth of a volt.

What installation items are claimed to be included?

The feature text claims the kit includes a wiring harness, mounting hardware and detailed installation instructions. Check the selected listing's package details to confirm.