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#1619121 - 18/04/2018 13:06 Fuel gauge and rev counter not working
X19_pilot Offline
Club member 1155
Enjoying the ride

Registered: 03/10/2009
Posts: 1167
Loc: Sheffield
In the throws of getting the car back on the road, MOT passed fine... But just taken it round the block and the fuel gauge and rev counter dont seem to be working. I have put a couple of gallons of fuel in the car to see if that helped things but the orange light is still on and the needle is resting on the empty pin.

The rev counter did stop working and then started operating fine after its last period of no usage, but now stopped again.

Since the two are next to each other on the dash, could it be a fault with the dials or at the sender unit end?

Thanks in advance

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#1619126 - 18/04/2018 13:29 Re: Fuel gauge and rev counter not working [Re: X19_pilot]
X19_pilot Offline
Club member 1155
Enjoying the ride

Registered: 03/10/2009
Posts: 1167
Loc: Sheffield
Quick update, the fuel gauge is now working, I took both plugs off the sender unit and sprayed them with contact cleaner.

Just the rev counter to try and sort now...

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#1619127 - 18/04/2018 13:58 Re: Fuel gauge and rev counter not working [Re: X19_pilot]
barnacle Offline
Club Member 18 - Membership Secretary
Forum Demigod

Registered: 17/12/2005
Posts: 31801
Loc: Hemel in the Hempstead
As well as the contacts on the cables, check the bolts that locate the dials to the circuit film are intact and tight enough (but no so tight they tear the circuit!)
_________________________

Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!

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#1619130 - 18/04/2018 14:35 Re: Fuel gauge and rev counter not working [Re: X19_pilot]
X19_pilot Offline
Club member 1155
Enjoying the ride

Registered: 03/10/2009
Posts: 1167
Loc: Sheffield
Thanks Neil, I will have a look at the how to's to get to the circuit board behind the instrument panel, as it doesnt look like the easiest of jobs.

I am hoping that with a bit of use, it will start working again like last time, although if its moisture related it might need some surgery, as thats what cooked my ECU last year.

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#1619133 - 18/04/2018 17:25 Re: Fuel gauge and rev counter not working [Re: X19_pilot]
barnacle Offline
Club Member 18 - Membership Secretary
Forum Demigod

Registered: 17/12/2005
Posts: 31801
Loc: Hemel in the Hempstead
Once you get the binnacle out, it's all visible.
_________________________

Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!

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#1619145 - 19/04/2018 11:50 Re: Fuel gauge and rev counter not working [Re: X19_pilot]
Jay1984 Online   content
Club member 1547
Making a profit

Registered: 22/06/2011
Posts: 205
Loc: Bonnybridge
I've got the same issue with my Plus Dials. I've already ruled out the bolts being loose so it appears a replacement Rev Counter is in order.

I've managed to acquire a standard set of dials so I am hoping to swap the internals of the Rev Counter so that I can keep my plus dials. Will be doing it in a couple of weeks. I'll take lots of photos and try to type up a "How 2".... you know, if I'm successful!

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#1619157 - 19/04/2018 16:25 Re: Fuel gauge and rev counter not working [Re: X19_pilot]
barnacle Offline
Club Member 18 - Membership Secretary
Forum Demigod

Registered: 17/12/2005
Posts: 31801
Loc: Hemel in the Hempstead
You can do that, Jay. When you get the cover off, the needles will pull off the spindles and then there are a couple of tiny bolts that hold the face to the works.

The only thing I'd bear in mind is that - from memory - the normal dials go to 160mph and the plus dials to 180mph; I'm not sure how the calibration matches.
_________________________

Don't get no respect! Coupe Fiat 1994-2000 - an owner's guide <-- clicky!

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#1619164 - 19/04/2018 18:25 Re: Fuel gauge and rev counter not working [Re: X19_pilot]
DaveG Offline
Club member 311
Forum is my life

Registered: 16/12/2005
Posts: 6817
Loc: Lightwater, Surrey, UK
It's the rev counter, not the speedo, so a straight swap. IIRC I had to do the same on the Plus dials in my Porto 20vt (replace the gubbins from a clearly more reliable "regular" 20vt instrument panel)
_________________________
2000 Pearl White Plus & 1996 Portofino 20vt
1985 & 2016 2017 Fiat 124 Spider + XF Sportbrake

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#1619168 - 19/04/2018 20:30 Re: Fuel gauge and rev counter not working [Re: DaveG]
X19_pilot Offline
Club member 1155
Enjoying the ride

Registered: 03/10/2009
Posts: 1167
Loc: Sheffield
Originally Posted By DaveG
clearly more reliable "regular" 20vt instrument panel)


Ahem wave mine is the so called “reliable” model! I would have had reliability out of mine if it had been built by BMC during the strike days! biglaugh


Not had chance to mess about with it today, I was going to run an errand in it but in typical fashion, the battery was flat... started first time after a week of standing yesterday! Volt meter shows normal charge, so I have put her on a battery reconditioner and hopefully get chance next week.

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#1620533 - 17/05/2018 09:48 Re: Fuel gauge and rev counter not working [Re: X19_pilot]
Jay1984 Online   content
Club member 1547
Making a profit

Registered: 22/06/2011
Posts: 205
Loc: Bonnybridge
Just to update, I managed to swap my rev counter out for a replacement however still no joy. I couldn't be 100% confident that the replacement Rev Counter was in good working order so there was always the chance that I'd replaced a broken rev counter for another broken rev counter!

I managed to source another set of standard dials from eBay. I plugged them in and made sure everything worked - All good, rev counter working as it should (this ruled out an issue with the signal being sent to the dials).

I then swapped the rev counter AGAIN with the known working counter. BINGO! It works! I've now managed to keep my plus dials and have a working Rev counter!!

Took photos from start to finish so I'll get to work on a "How 2" over the next couple of days for anyone with a similar issue.


Edited by Jay1984 (17/05/2018 09:49)

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