Tacho RPM Converter - 5v In, 12v Out - Classic Car or Engine Conversion
SKU: 73012712456

Tacho RPM Converter - 5v In, 12v Out - Classic Car or Engine Conversion

$44.95 $49.94
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

Tacho RPM Converter - 5v In, 12v Out - Classic Car or Engine ConversionTacho RPM Converter for Low Level Input and High Level Output. Works with any ECU, stock or aftermarket, to allow you to use your "Old Fashioned" 12 volt driven RPM Tachos. For example, Porsche 924 or Datsun 240Z cars have RPM Meters Tachos driven directly from the coil. When you fit an aftermarket ECU such as a Link, DTA, Omex, Haltech, Megasquirt, MoTeC, etc etc, the RPM output is a low level signal which will NOT work with your classic cars meter.

Tacho RPM Converter for Low Level Input and High Level Output.

Works with any ECU, stock or aftermarket, to allow you to use your "Old Fashioned" 12 volt driven RPM / Tachos.

For example, Porsche 924 or Datsun 240Z cars have RPM Meters / Tachos driven directly from the coil.

When you fit an aftermarket ECU such as a Link, DTA, Omex, Haltech, Megasquirt, MoTeC, etc etc, the RPM output is a low level signal which will NOT work with your classic cars meter.

Also, if you fit a modern engine with modern coils into a classic car, the RPM Rev Counter / Tacho will no work.

This little box sorts the problem!!

Simply connect the 4 wires and you are away!

12v Ignition Feed to the Red/White Wire.

Body Ground to the White Wire.

ECU RPM Feed to the Grey (Slate) Wire

RPM Out to your Classic Tacho on the Green Wire.


Any questions, please ask!

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 73012712456

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4.1 ★★★★★
Based on 1613 reviews
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Verified Purchase
Chris McIntosh
Pawtucket, US
★★★★★ 5
Great Watch for a Great Price
Color: Dark Brown band & Rose Gold bezel & Navy Blue dial
⌚ “Simple, clean, and gets compliments every time.” ⌚ This Watch has easily become my go-to watch. What I like most is how clean the design is. It’s not flashy, but it stands out in a classy way. I usually pair it with brown shoes and a belt, and it pulls the whole look together perfectly. Another big plus—it doesn’t feel heavy on the wrist. You can wear it all day and forget it’s even there, which is exactly what you want in a daily watch. And the compliments? They come consistently. It’s one of those pieces people notice without you trying too hard. ✔️ Clean, stylish design ✔️ Lightweight and comfortable ✔️ Pairs perfectly with dress or casual outfits ✔️ Gets a lot of compliments If you’re looking for an affordable watch that looks sharp and feels great, this is a solid choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 10, 2026
M
Verified Purchase
Mike Kaliski
Alexandria, US
★★★★★ 3
Unusable Adjustment Diagram – Completely Black
Color: Mesh Strap watch silver balck
The watch itself looks nice, but there is an issue with the instructions for adjusting the band. The included diagram is completely black and does not show how to make the adjustment. I was only able to adjust the band because I had a diagram from a previous watch. Without that, it would have been very difficult. The manufacturer should provide clear and readable instructions.
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Reviewed in the United States on April 30, 2026
W
Verified Purchase
WAXMAN
Lexington, US
★★★★★ 5
You won’t be disappointed with this one
Color: All Golden face Big Dial
Looks great fits great I was skeptical about getting it because I purchased another variation and was not happy at all but I like the way that this one looks so I said I’d give it another shot. I’m glad I did. I’m very impressed with it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
J
Verified Purchase
Jose Correa
Los Angeles, US
★★★★★ 5
Stunning Automatic Watch With TopTier Durability and Precision
Color: Grey
“I got this Tissot PRX for my cousin’s birthday and bro fell in LOVE instantly. This thing keeps time like a beast, never slows down, never lags. Automatic movement, so no batteries, no drama. Durability? Stupid good. You can hit it, bump it, live life rough, it still looks box fresh. Size wise it was almost perfect. I just had to remove two links, nothing big. It’s light, functional, comfortable, doesn’t weigh you down, doesn’t get in the way but more importantly I can say this watch is in everyone’s eyesight when we wear it. Cause of course I had to get another one! Basically. I gave him a very nice piece as a gift, and now he’s walking around like he owns Switzerland.
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Reviewed in the United States on December 11, 2025
C
Verified Purchase
Cienfuegos
Belleville, US
★★★★★ 5
Great watch!!!!
Color: Grey
Excellent quality, one of the best, elegant.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026

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