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1

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 04 April 2025, 20:30:17 »

In the end the company has successfully fixed it, without the need to use any donor parts. Their communication was awful, but at least its fixed. Though, not to the benefit of the thread, they haven't specified exactly what was wrong!

I imagine likely the inner board, like what cam.in.head suggested.


Thank you all for your assistance with the matter!

2

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 30 March 2025, 16:51:54 »

It's been with them a few weeks, and a received a message from them saying its been repaired and I should receive it again soon.

I'll see what the result is when it's back.

3

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 12 March 2025, 00:33:07 »

Yep!

Today I received a donor instrument cluster in the post. - it works fine in the car, which obviously means the problem lies in the original cluster!

I've got back in contact with the repair company, who are recollecting the cluster to do a better job repairing it this time. Hopefully comes back fully working.

My warranty would be void if I opened it up, so my apologies I can't tell anyone exactly what caused it!

4

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 05 March 2025, 17:59:36 »

Thanks all.

I'm hesitant to open up the clocks again as there is a 'Void if removed' sticker now as I have a warranty.

I've made an offer on an instrument panel, so I'm waiting to hear back from that. If my gauges are still faulty I'll send them back to the company for further repair.

5

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 04 March 2025, 21:30:24 »

if you can confirm fuse 15 is ok and fuse 12. these send live up to the dash from the multi plug connector . you can then  confirm continuity to the dash connector . dont turn the ign on without the dash in place as it could set an airbag code ( unless you have the facillty to reset it )
its s pity you are too far away for me ( or you to me)

Yes, shame we are so distant. The fuses are ok.

I'll try to confirm earth and the lives next time I can. Do you know what colours the lives are?

6

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 04 March 2025, 18:56:02 »

Unfortunately still not working after we had a real good look around the car. Issue perhaps still lies within the instruments themselves, or wiring between instrument and plugs in passenger footwell.

I'm going to attempt to source a replacement instrument panel to verify whether that's the problem.

7

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 27 February 2025, 16:41:17 »

Sent the instrument cluster to Autotronics for repair after pulling my hair out for a week. They returned the cluster to me in alleged working order after making a repair on the circuit board, but it still doesn't work. Needles aren't moving at all and remain stuck in place, but now at 0.

Have you checked the harness connectors in the footwell, particularly the passenger one.

Pretty much all the instrumentation wiring runs through the two multi plugs on the passenger side.

Also double check the grounding points around the boot and the connections to the pump/sender unit. Under the plate in the boot floor... Four screws

Incidentally, what work was done?

And where in West Sussex are you? I have a couple of days free next week and long term experience with TVP Omegas having owned 2 and am not a million miles from the A29/283.

Where are those grounding points in the boot you speak of?

Also, if you are still offering I'd be so grateful at this point...

8

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 19 February 2025, 16:47:45 »

Checked all the grounds within the engine bay and cleaned them.

Checked the connections in the passenger footwell and removed and reseated them.

I had a look at the flexible circuit board on the rear of the cluster and couldn't see anything that looked broken or wrong.

Issue still persists.

9

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 19 February 2025, 13:44:30 »

Are the gauges all at their zero points?  That could indicate power issue somewhere, although being ex-plod, that could take some tracking down, as different forces made different mods to each car.

Only the fuel gauge and coolant temp. RPM and Speed remain pinned where they were whilst driving.

10

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 19 February 2025, 13:43:53 »

the fault COULD be to do with any of the above yes but also another possibility ( and an exact replica of what happened to mine was ).......
the instrument cluster  contains a pcb inside it which is double layered . the connections between the  two layers have "eyelets" for want of a better description that link one side of the board with the other and due to the heat behind the instrument panel these can expand / loose connection.
removing the board isnt too difficult and you should actually see the bad ones . if you are ok with soldering then you can bypass/ link them out .
 mine lost speedo,tacho and both guages . they just froze where they were and came back to life when the dash cooled down . first instances was a year apart then it gradually turned into every journey !   repair .. no problems since .

That sounds interesting. I will check that. Thanks also.

11

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 19 February 2025, 13:10:58 »

Thanks everyone else for the responses. I am going to go through various bits and update when I've got a result.

12

Omega General Help / Re: Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 19 February 2025, 13:10:11 »

Have you checked the harness connectors in the footwell, particularly the passenger one.

Pretty much all the instrumentation wiring runs through the two multi plugs on the passenger side.

Also double check the grounding points around the boot and the connections to the pump/sender unit. Under the plate in the boot floor... Four screws

Incidentally, what work was done?

And where in West Sussex are you? I have a couple of days free next week and long term experience with TVP Omegas having owned 2 and am not a million miles from the A29/283.

Thanks for your response. Going to look at doing all this today.

I'm nearby to Pulborough.

13

Omega General Help / Instrument cluster failure - RPM + Speed frozen, coolant + fuel not reading.

« on: 18 February 2025, 20:39:22 »

'04 3.2 Manual Saloon.

Just had a bunch of work done to repair an issue with the fuel tank.

On the way home the RPM and Speed gauges froze where they were and haven't moved since. Coolant temp and Fuel gauges are not reading at all now. All other instrument panels seem to function normally, including warning lights and back-lighting.


Since this happened I've tried the following with no success:

- Switching ignition on and off.

- Disconnecting battery overnight.

- Removing instrument cluster and ensuring good condition (ribbon style circuit on the rear).

- Checking all fuses are intact and replacing relevant fuses regardless.

- Driving the car for a while.

- Numerous percussive maintenance attempts.

OBD reads RPM on data-feed and car runs as normal.

Any other suggestions? Feeling lost.