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Tacho Converter

Name: Tacho Converter
Brand: Dtafast

Dtafast

£59.4

We have not confirmed this price since it was first recorded. Check before buying.

When using an ECU on older cars, the tacho may not work. This is because it is driven directly from the original coil, and requires a higher voltage to work. The DTAFast tacho converter takes the signal from the ECU and converts it to work with these older style tachos. Note: These only work with voltage driven tachos. They do not work with current sensing tachos such as the Smith's tachos found in S1 and S2 E-Type Jaguars. Download the pinout documentation here .

Dtafast's own words, read from their page.

Buy from DTAFAST LIMITEDPrice seen 2026-09-26. Not an affiliate link, we earn nothing from it.

Where this comes from

The part other shops don't tell you. Three separate questions, kept separate on purpose, each with its source.

UK company
Registered at Companies House as DTAFAST LIMITED, number 04604456. Checked 2026-08-29.
Means the business is a British legal entity, not a British-sounding name owned elsewhere. It says nothing about where anything is made.
UK operations
Not yet checked.
Means people employed here, or premises they actually work from. We keep this separate from the company badge because a registered office can be an accountant's spare room, and a company can be registered in Britain while everything it does happens somewhere else. Where we have not looked, we say so rather than assuming.
British-owned
No majority shareholding traced outside the UK. Companies House.
Read from the register of people with significant control, following the chain of holding companies. It does not gate anything: a firm can be made here and owned elsewhere, and that is worth telling you rather than hiding.
Where it is made
The maker doesn't say, so neither do we.
This is about the individual product, not the company. A British firm can sell things made abroad, which is normal and not a criticism. We would rather tell you which is which than average them into a score.

Tacho Converter

Where this comes from

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