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Quick Specs

  • Size:3-3/8" (85.7mm)
  • Type:Air-Core
  • Range:0-160 MPH
  • Lighting:Incandescent
  • Instructions: Download PDF


AutoMeter’s Electronic Programmable Speedometer provides an easy-to-install and easy-to-calibrate solution that will help keep your speed exactly where it needs to be. These accurate and responsive speedometers are compatible with most factory and aftermarket speed senders, and you’ll wonder why you ever struggled with a speedometer before. Calibration is as simple as a two mile drive, or for even easier operation, AutoMeter’s GPS Speedometer Sender is a simple solution for any AutoMeter Programmable Speedometer.

Feature Points
  • Traditional incandescent lighting illuminates around the perimeter of the dial
  • Features lit LCD odometer - capable of registering one-million miles with two resettable trip odometers
  • Compatible with most two wire sine wave and three wire hall effect vehicle speed sensors.
  • Simple push button, 2 mile drive calibration. No dip switches!
  • Reprogram at any time to accommodate changes in gear ratio or wheel and tire combination.
  • Gauge kit includes bulb and socket assembly, red and green bulb covers, mounting hardware, and detailed instructions for installation
Ships With
  • Bracket Included
California Residents: Prop 65 WARNING prop65 Cancer, Birth Defects and Reproductive Harm


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Is this unit capable of registering 4000 pulse per minute via 2001 GM module ?

Asked by: Lost_Kauz
Autometer electronic speedometers are designed to work with speed signal pulses between 500 and 400,000 pulses per mile. It should work fine with your 4,000 PPM signal.
Answered by: Alex at AutoMeter
Date published: 2023-07-11

Can the digital odometers be pre-programmed to match the current vehicle mileage or do they all start at zero? Thanks

Asked by: zombiedropper
Unfortunately they are only shipped with zero miles on the odometer.
Answered by: Jim from AutoMeter
Date published: 2023-02-16

Will this work on a motorcycle? I have a 2008 Harley super glide. 

Asked by: Dockie
Thank you for your question. You will need to use our GPS module P/N: 5289 in order to obtain a correct signal for the gauge.
Answered by: Steve from AutoMeter
Date published: 2019-11-26

is a 4789 speedo compatible with the 5289 GPS?

Asked by: Arri
Thank you for your question. Yes, 4789 as well as all our electric speedometers, is compatible with our 5289 GPS module.
Answered by: Zach from AutoMeter
Date published: 2024-01-13

Will this fit a 1994 V6 Mustang?

Asked by: Rodolfo
Hi Rudy, thank you for the question. The 4789 Speedometer will adapt to your factory vehicle speed sensor, but it's not designed as an OEM replacement or direct fit for any specific vehicle. It will fit into a 3-3/8" diameter hole.
Answered by: Matt from AutoMeter
Date published: 2018-07-30

Hello - Will the #4789 work with a 1990 Jeep YJ 4.2L? Do I need a sensor as well? Thanks.

Asked by: Gerson
Thank you so much for contacting us. This gauge will work on your Jeep but will require the use of an electronic sending unit. There are a couple of different options. This one replaces the speedometer cable: This one works off of GPS: We used it in our recent YJ project which you can see here: You also have the option of getting essentially the same speedometer with GPS already built in: Hope this helps!
Answered by: Joseph At AutoMeter
Date published: 2018-06-13

Hello, I'm using this #4789 with a Holley ECU. What would be a proper "pulse per mile" setting that the Holley uses for speed signal output ? I used 4000ppm like f-body Camaros use stock, but speedometer wouldn't calibrate.

Asked by: Manoli
Hi Manoli, thank you so much for contacting us. The factory calibration on an AutoMeter electronic speedometer is 16,000 pulses per mile. You will see the current PPM calibration on the odometer of your speedometer for a second when power is first applied to the unit. Hope this helps!
Answered by: Joseph At AutoMeter
Date published: 2024-02-08
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