The CVH engine with the distributorless ignition drove the rev counter from
one of the 2 coils wires..
The Zetec runs it from a dedicated output from the ECU, if you connect that
to the CVH rev counter it will show twice the revs.
If you are still using the CVH main wiring and instrument cluster then you
can switch the rev counter connection back to one of the zetec coil
connections and it will work fine (keep the CVH suppressor in circuit).
What combination of wiring looms do you have now ?
Jim
--------------------------------------------------
From: "george" <[email protected]>
Sent: Monday, March 05, 2012 8:00 AM
To: "Quantum Owners Group" <[email protected]>
Subject: [Quantum Owners] Re: H4 Rev Counter
Hi Jim
The rev counter does not move but on test there is a reading and the
meter reads the revs. Wondered if it was not compatible being CVH with
Zetec brain...
On Mar 4, 9:03 pm, Jim Hearne <[email protected]> wrote:
What does the rev counter do ?
Jim
On 04/03/2012 18:59, george wrote:
> I have installed a zetec blacktop in my H4 and all works fine except
> the rev counter. Tested the out pit from the ecu and it reads the revs
> of the engine. Can anyone tell me if I need to get a newer rev counter
> from an zetec car as mine was CVH could that be the reason its the
> only thing I can think..
> Any thoughts........
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