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Product
233905
5" PEDESTAL TACHOMETER, 0-8,000 RPM, SHIFT LIGHT, BLACK, AUTO GAGE
$174.61
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Description:
Getting great performance or saving money doesn’t have to be choice. Engineered by AutoMeter in Sycamore, IL, The Auto Gage line of instruments provide the best bang for the buck performance in the industry.
Quick Specs
- Size:5" (127mm)
- Type:Air-Core
- Range:0-8,000 RPM
- Lightning:Incandescent
- Instructions: Download PDF
Getting great performance or saving money doesn’t have to be choice. Engineered by AutoMeter in Sycamore, IL, The Auto Gage line of instruments provide the best bang for the buck performance in the industry. For a fast street car or a weekend racer, Auto Gage provides levels of accuracy and durability unheard of in the price category. With countless wins in magazine comparison tests, the best value in gauges comes from exactly the place you’d expect it to. AutoMeter.
Feature Points
Cancer, Birth Defects and Reproductive Harm www.P65Warnings.ca.gov
- Traditional incandescent lighting illuminates the front of the dial
- 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system
- AutoMeter’s race proven air-core electric tachometers provide quick and accurate readings with a needle so responsive it can go from 0 - full scale in 333 milliseconds
- Compatible with most 4, 6, and 8 cylinder engines (2 - 4 pulse per revolution ignition signals) with points, electronic, and most 12V high-performance racing ignitions.
- Optimize use of your engine's power band and improve vehicle run performance and driver gear changes with a rapid response, high visibility user-programmable shift light.
- 3209

REVIEWS:
QUESTIONS:
On the model 233905 tach - can the shift light be moved to the opposite side of the tach, so it's in the upper right quadrant rather than the upper left? That way it won't block my speedometer. Thanks; love your products.
Thank you for your question. You will simply need to loosen the band strap on the gauge and shift the tach over to the location you desire.
Date published: 2020-12-11
Is this tach compatible with the msd 6Al digital ignition box, also would I need the tach adaptor 8910 from msd to utilize this tach. I'm working on a 69 merc with a 428. Thanks
This gauge is compatible and you will not need any adapter to make this work with a 6AL box.
Date published: 2020-06-16
Curious about applicability of this used on a v-twin motorcycle. Under your description it says it’s used for 4,6,8 cylinder engines, can you offer some advice?
Thank you for your inquiry. This tachometer is not designed for motorcycle use. Please check out the Pro Cycle section of our website for tachometers designed for this purpose.
Date published: 2020-01-29
Does this need a tach adaptor for a 2008 mustang
Thank you for your question. You will need P/N: 9117. Please follow the installation instructions below: https://www.autometer.com/resources/index/guide_view/id/17
Date published: 2020-01-03
Will this tach work with an MSD 6 box WITHOUT a tach adapter?
Ray,
Thank you for your question. If you are using a MSD 6AL box you will simply need to obtain a tach signal from the box. For further assistance please call our tech line at 866-248-6357.
Date published: 2019-11-26
Hi. Trying to put this gauge on a 1990 Harley. Is it at all possible by adding some kind of electronic parts to make it work? Thank you.
Thank you for your question. This tach is not designed to be used on a motorcycle as it is not water or weather resistant. It also can only be calibrated for 4 cylinder, 6 cylinder, and 8 cylinder applications which would make it incompatible with most motorcycles.
Date published: 2019-09-16
Just purchased autometer Rpm meter 233904, clips both Brown and orange for my 4cylinder car. Once engine started, actual rpm running on 2000rpm but autometer show 4000rpm. Can I know how can I set the correct rpm?
Thank you for your question. If our tach is reading exactly double the actual RPMs with both the brown and orange wires clipped, you will want to soder them back together and then it will be reading correctly. If you have any further questions or need more assistance, please call our tech support team at 815.895.8141
Date published: 2020-05-10
I hv 5" monster auto meter tac. I installed and it's working some times sits a 0 until u accelerate and then it doesn't show correct rpm. Ss396 bb doing 80 mph at 2000 rpm then sometimes it shows 1k at idle buy is still low when u accelerate. Check good
Hi Tim, thank you so much for contacting us. The first thing I would verify is that the tach has a good engine or chassis ground. I'd also verify that the tach is seeing >12.5VDC along the red power wire when the vehicle is operating. While it's probably not possible to fully diagnose through the questions section here, our tech team is more than happy to help. You can reach us directly via the Chat link at the top of every page on the site, via phone at 866.248.6357 of via email here:
https://www.autometer.com/resources/index/ask_a_question
Hope this helps!
Date published: 2018-05-01