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Wiring Up A Set Of Efi Clocks To Mfi Loom


Guest warlord
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Guest warlord

got a set of clock for my mfi cab andnow found out throughforum that the temp and fuel guages are in the wrong place,all the guages work but not giving accurate reading as they temp guage goes all the way up to hot when engine has been run for weeks and the fuel guage is at half and know theres only little go go juice in her.does anybody know if its poss to wire these up to the mfi loom and if so has anybody got a diagram or instruction list as going out in it at the weekend and don't want to run out of juice or worse still it overheats without me knowing and knackers the engine up as its sweet running now i've overhauled it

thanks in advance to anybody that can poss help,all help is gratefully recieved

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Guest warlord
looking at a cab l8er thats got white dails in it (mfi) :wink::wink::wink:

would do you a swap for a set off the efi model where the temp gauge is on the right, as mine should be on the left and tank on th right,let me know m8 please?

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Guest warlord
will look 4 u m8, i bought cab but its on carbs so will have to check but think they differnt again to mfi and efi

ok m8 just let me know whats what and we'll see whats what and sort something out eventually lol get that? i didn't and i wrote the script pmsl.that old movie from the eighties comes to mind here "one flew over the cookoos nest" yeah and it looks like one landed very close to me lol :msg2:

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ok m8 just let me know whats what and we'll see whats what and sort something out eventually lol get that? i didn't and i wrote the script pmsl.that old movie from the eighties comes to mind here "one flew over the cookoos nest" yeah and it looks like one landed very close to me lol :msg2:

you bin on the brew m8 :happy001: :happy001: :happy001:

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Guest warlord

don't know m8 :laugh: think the wife spiked my :chris1: as shes :WAITINGemote: at me for spending all this money on a :convertible_mazeguy: (old shed as she calls it)thats 23. doesn't understand the thrill of :drive1: a mk4 cab as i won't let her near it.i let her drive my rover 220 cab a couple of years ago and beleive me when i say she totalled it,proper right off.so she's not getting her hands on this one.do you blame me m8?anyway thats the reason i'm giving for the earlier remark and sticking to it or you'll be thinking i'm :msg2:

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  • 1 month later...
Guest sandman2209

with an attitude like that young man you can ram it

if people can help they will help

but unfortunately if no one has posted a reply don't that mean something ?

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  • 4 weeks later...

Okay, I am going to attempt to help, regardless of the "attitude" displayed.

 

There is no such thing as "MFI" or "EFI" clocks as such.

 

The fuel and temp gauges were swapped in 1988. If you have small square warning lamps (handbrake, battery, oil, etc) then the fuel gauge should be on the right. These are pre-1988 clocks. If you have oblong warning lamps, the temp gauge is on the right. These are post-1988 clocks.

 

If you have post-1988 clocks, then the sender in the tank is different as the later models have a "continuous" fuel reading. Use late clocks with an early sender unit and you have a fuel gauge that does what it wants when the fuel level gets below 3/4 tank.

 

The only difference between ALL sets of high-spec clocks is the rev counter.

 

The various models are:

CVH (non-EFI). Standard 4-pulse rev counter

 

CVH (EFI). Reads 2-pulses as it works with a coilpack for wasted spark. When used on a non-coilpack car, the revcounter will read half revs.

 

Valencia (same as EFI but with lower redline)

 

Diesel (can run on any version but the takeoff wire (green) needs to go to the "W" terminal on the alternator as the revcounter reads a 7V single-phase voltage, not standard 12V.

 

Basically, it sounds like you need to go back and look @ what year-range components you have fitted. As far as the temp gauge issues go, you probably have the wrong sender fitted and the other clocks have "masked" the problem. You should have a green-topped sender.

Edited by iansoutham
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  • 8 months later...
Guest dopeasone

Okay, I am going to attempt to help, regardless of the "attitude" displayed.

 

There is no such thing as "MFI" or "EFI" clocks as such.

 

The fuel and temp gauges were swapped in 1988. If you have small square warning lamps (handbrake, battery, oil, etc) then the fuel gauge should be on the right. These are pre-1988 clocks. If you have oblong warning lamps, the temp gauge is on the right. These are post-1988 clocks.

 

If you have post-1988 clocks, then the sender in the tank is different as the later models have a "continuous" fuel reading. Use late clocks with an early sender unit and you have a fuel gauge that does what it wants when the fuel level gets below 3/4 tank.

 

The only difference between ALL sets of high-spec clocks is the rev counter.

 

The various models are:

CVH (non-EFI). Standard 4-pulse rev counter

 

CVH (EFI). Reads 2-pulses as it works with a coilpack for wasted spark. When used on a non-coilpack car, the revcounter will read half revs.

 

Valencia (same as EFI but with lower redline)

 

Diesel (can run on any version but the takeoff wire (green) needs to go to the "W" terminal on the alternator as the revcounter reads a 7V single-phase voltage, not standard 12V.

 

Basically, it sounds like you need to go back and look @ what year-range components you have fitted. As far as the temp gauge issues go, you probably have the wrong sender fitted and the other clocks have "masked" the problem. You should have a green-topped sender.

 

 

 

 

 

 

 

THANKYOU for helping me and not being like the rest i help people .Thanks again..

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